refmt

* Rewrite MostRecentActivity to leverage AppStatePersistenceUtility.

* Fix format. Update type enum.

* Migrate Item enum to string enum

* Fix unit tests

* Fix build issue

.devcontainer/Dockerfile

@@ -0,0 +1,16 @@
+FROM mcr.microsoft.com/devcontainers/typescript-node:1-22-bookworm
+
+# Install pre-reqs for gyp, and 'canvas' npm module
+RUN apt-get update && \
+    apt-get install -y \
+        make \
+        gcc \
+        g++ \
+        python3-minimal \
+        libcairo2-dev \
+        libpango1.0-dev \
+        && \
+    rm -rf /var/lib/apt/lists/*
+
+# Install node-gyp to build native modules
+RUN npm install -g node-gyp

.devcontainer/devcontainer.json

@@ -0,0 +1,32 @@
+// For format details, see https://aka.ms/devcontainer.json. For config options, see the
+// README at: https://github.com/devcontainers/templates/tree/main/src/typescript-node
+{
+	"name": "Azure Cosmos DB Explorer",
+	// Or use a Dockerfile or Docker Compose file. More info: https://containers.dev/guide/dockerfile
+	"build": {
+		"dockerfile": "Dockerfile"
+	},
+	"onCreateCommand": ".devcontainer/oncreate",
+	"features": {
+		"ghcr.io/devcontainers/features/azure-cli:1": {
+			"version": "latest"
+		},
+		"ghcr.io/devcontainers/features/github-cli:1": {
+			"installDirectlyFromGitHubRelease": true,
+			"version": "latest"
+		},
+		"ghcr.io/devcontainers/features/sshd:1": {
+			"version": "latest"
+		}
+	}
+	// Features to add to the dev container. More info: https://containers.dev/features.
+	// "features": {},
+	// Use 'forwardPorts' to make a list of ports inside the container available locally.
+	// "forwardPorts": [],
+	// Use 'postCreateCommand' to run commands after the container is created.
+	// "postCreateCommand": "yarn install",
+	// Configure tool-specific properties.
+	// "customizations": {},
+	// Uncomment to connect as root instead. More info: https://aka.ms/dev-containers-non-root.
+	// "remoteUser": "root"
+}

.devcontainer/oncreate

@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+
+# Install packages once, to prime the node_modules directory.
+npm ci

less/documentDB.less

@@ -1906,8 +1906,14 @@ input::-webkit-calendar-picker-indicator::after {
 }
 
 .nav-tabs-margin {
-  padding-top: 5px;
+  height: 32px;
   background-color: #f2f2f2;
+
+  .nav-tabs {
+    display: flex;
+    align-items: flex-end;
+    height: 100%;
+  }
 }
 
 .navTabHeight {
@@ -2612,6 +2618,7 @@ a:link {
 .tabPanesContainer {
   display: flex;
   flex-grow: 1;
+  flex-direction: column;
   overflow: hidden;
 }
 

package-lock.json

@@ -2527,13 +2527,13 @@
       }
     },
     "node_modules/@babel/preset-env/node_modules/babel-plugin-polyfill-corejs3": {
-      "version": "0.10.4",
-      "resolved": "https://registry.npmjs.org/babel-plugin-polyfill-corejs3/-/babel-plugin-polyfill-corejs3-0.10.4.tgz",
-      "integrity": "sha512-25J6I8NGfa5YkCDogHRID3fVCadIR8/pGl1/spvCkzb6lVn6SR3ojpx9nOn9iEBcUsjY24AmdKm5khcfKdylcg==",
+      "version": "0.10.6",
+      "resolved": "https://registry.npmjs.org/babel-plugin-polyfill-corejs3/-/babel-plugin-polyfill-corejs3-0.10.6.tgz",
+      "integrity": "sha512-b37+KR2i/khY5sKmWNVQAnitvquQbNdWy6lJdsr0kmquCKEEUgMKK4SboVM3HtfnZilfjr4MMQ7vY58FVWDtIA==",
       "dev": true,
       "dependencies": {
-        "@babel/helper-define-polyfill-provider": "^0.6.1",
-        "core-js-compat": "^3.36.1"
+        "@babel/helper-define-polyfill-provider": "^0.6.2",
+        "core-js-compat": "^3.38.0"
       },
       "peerDependencies": {
         "@babel/core": "^7.4.0 || ^8.0.0-0 <8.0.0"
@@ -2932,10 +2932,10 @@
       }
     },
     "node_modules/@floating-ui/core": {
-      "version": "1.6.3",
+      "version": "1.6.2",
       "license": "MIT",
       "dependencies": {
-        "@floating-ui/utils": "^0.2.3"
+        "@floating-ui/utils": "^0.2.0"
       }
     },
     "node_modules/@floating-ui/devtools": {
@@ -2945,15 +2945,15 @@
       }
     },
     "node_modules/@floating-ui/dom": {
-      "version": "1.6.6",
+      "version": "1.6.5",
       "license": "MIT",
       "dependencies": {
         "@floating-ui/core": "^1.0.0",
-        "@floating-ui/utils": "^0.2.3"
+        "@floating-ui/utils": "^0.2.0"
       }
     },
     "node_modules/@floating-ui/utils": {
-      "version": "0.2.3",
+      "version": "0.2.2",
       "license": "MIT"
     },
     "node_modules/@fluentui/date-time-utilities": {
@@ -3501,7 +3501,7 @@
       "resolved": "https://registry.npmjs.org/@fluentui/react-hooks/-/react-hooks-8.8.10.tgz",
       "integrity": "sha512-Xvnn6uKMsinMg/zo79KBNCDABnl0gpmArQYNQya9FCNRzvmHUCDvuQCqv4IKslvPvuC0Ya8mR2NORm2w0JoZiw==",
       "dependencies": {
-        "@fluentui/react-window-provider": "^2.2.27",
+        "@fluentui/react-window-provider": "^2.2.28",
         "@fluentui/set-version": "^8.2.23",
         "@fluentui/utilities": "^8.15.13",
         "tslib": "^2.1.0"
@@ -4426,9 +4426,9 @@
       }
     },
     "node_modules/@fluentui/react-window-provider": {
-      "version": "2.2.27",
-      "resolved": "https://registry.npmjs.org/@fluentui/react-window-provider/-/react-window-provider-2.2.27.tgz",
-      "integrity": "sha512-Dg0G9bizjryV0Q/r0CPtCVTPa2II/EsT9E6JT3jPSALjQADDLlW4/+ZXbcEC7geZ/40+KpZDmhplvk/AJSFBKg==",
+      "version": "2.2.28",
+      "resolved": "https://registry.npmjs.org/@fluentui/react-window-provider/-/react-window-provider-2.2.28.tgz",
+      "integrity": "sha512-YdZ74HTaoDwlvLDzoBST80/17ExIl93tLJpTxnqK5jlJOAUVQ+mxLPF2HQEJq+SZr5IMXHsQ56w/KaZVRn72YA==",
       "dependencies": {
         "@fluentui/set-version": "^8.2.23",
         "tslib": "^2.1.0"
@@ -4512,7 +4512,7 @@
       "dependencies": {
         "@fluentui/dom-utilities": "^2.3.7",
         "@fluentui/merge-styles": "^8.6.12",
-        "@fluentui/react-window-provider": "^2.2.27",
+        "@fluentui/react-window-provider": "^2.2.28",
         "@fluentui/set-version": "^8.2.23",
         "tslib": "^2.1.0"
       },
@@ -14966,9 +14966,9 @@
       "license": "MIT"
     },
     "node_modules/browserslist": {
-      "version": "4.23.2",
-      "resolved": "https://registry.npmjs.org/browserslist/-/browserslist-4.23.2.tgz",
-      "integrity": "sha512-qkqSyistMYdxAcw+CzbZwlBy8AGmS/eEWs+sEV5TnLRGDOL+C5M2EnH6tlZyg0YoAxGJAFKh61En9BR941GnHA==",
+      "version": "4.23.3",
+      "resolved": "https://registry.npmjs.org/browserslist/-/browserslist-4.23.3.tgz",
+      "integrity": "sha512-btwCFJVjI4YWDNfau8RhZ+B1Q/VLoUITrm3RlP6y1tYGWIOa+InuYiRGXUBXo8nA1qKmHMyLB/iVQg5TT4eFoA==",
       "funding": [
         {
           "type": "opencollective",
@@ -14984,9 +14984,9 @@
         }
       ],
       "dependencies": {
-        "caniuse-lite": "^1.0.30001640",
-        "electron-to-chromium": "^1.4.820",
-        "node-releases": "^2.0.14",
+        "caniuse-lite": "^1.0.30001646",
+        "electron-to-chromium": "^1.5.4",
+        "node-releases": "^2.0.18",
         "update-browserslist-db": "^1.1.0"
       },
       "bin": {
@@ -15142,9 +15142,9 @@
       }
     },
     "node_modules/caniuse-lite": {
-      "version": "1.0.30001645",
-      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001645.tgz",
-      "integrity": "sha512-GFtY2+qt91kzyMk6j48dJcwJVq5uTkk71XxE3RtScx7XWRLsO7bU44LOFkOZYR8w9YMS0UhPSYpN/6rAMImmLw==",
+      "version": "1.0.30001651",
+      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001651.tgz",
+      "integrity": "sha512-9Cf+Xv1jJNe1xPZLGuUXLNkE1BoDkqRqYyFJ9TDYSqhduqA4hu4oR9HluGoWYQC/aj8WHjsGVV+bwkh0+tegRg==",
       "funding": [
         {
           "type": "opencollective",
@@ -16063,12 +16063,12 @@
       "license": "MIT"
     },
     "node_modules/core-js-compat": {
-      "version": "3.37.1",
-      "resolved": "https://registry.npmjs.org/core-js-compat/-/core-js-compat-3.37.1.tgz",
-      "integrity": "sha512-9TNiImhKvQqSUkOvk/mMRZzOANTiEVC7WaBNhHcKM7x+/5E1l5NvsysR19zuDQScE8k+kfQXWRN3AtS/eOSHpg==",
+      "version": "3.38.0",
+      "resolved": "https://registry.npmjs.org/core-js-compat/-/core-js-compat-3.38.0.tgz",
+      "integrity": "sha512-75LAicdLa4OJVwFxFbQR3NdnZjNgX6ILpVcVzcC4T2smerB5lELMrJQQQoWV6TiuC/vlaFqgU2tKQx9w5s0e0A==",
       "dev": true,
       "dependencies": {
-        "browserslist": "^4.23.0"
+        "browserslist": "^4.23.3"
       },
       "funding": {
         "type": "opencollective",

src/Common/Constants.ts

@@ -134,6 +134,9 @@ export class BackendApi {
   public static readonly GenerateToken: string = "GenerateToken";
   public static readonly PortalSettings: string = "PortalSettings";
   public static readonly AccountRestrictions: string = "AccountRestrictions";
+  public static readonly RuntimeProxy: string = "RuntimeProxy";
+  public static readonly DisallowedLocations: string = "DisallowedLocations";
+  public static readonly SampleData: string = "SampleData";
 }
 
 export class PortalBackendEndpoints {
@@ -183,6 +186,12 @@ export class CassandraProxyAPIs {
   public static readonly connectionStringSchemaApi: string = "api/connectionstring/cassandra/schema";
 }
 
+export class AadEndpoints {
+  public static readonly Prod: string = "https://login.microsoftonline.com/";
+  public static readonly Fairfax: string = "https://login.microsoftonline.us/";
+  public static readonly Mooncake: string = "https://login.partner.microsoftonline.cn/";
+}
+
 export class Queries {
   public static CustomPageOption: string = "custom";
   public static UnlimitedPageOption: string = "unlimited";
@@ -284,6 +293,7 @@ export class HttpStatusCodes {
   public static readonly Accepted: number = 202;
   public static readonly NoContent: number = 204;
   public static readonly NotModified: number = 304;
+  public static readonly BadRequest: number = 400;
   public static readonly Unauthorized: number = 401;
   public static readonly Forbidden: number = 403;
   public static readonly NotFound: number = 404;
@@ -495,7 +505,7 @@ export class PriorityLevel {
   public static readonly Default = "low";
 }
 
-export const QueryCopilotSampleDatabaseId = "CopilotSampleDb";
+export const QueryCopilotSampleDatabaseId = "CopilotSampleDB";
 export const QueryCopilotSampleContainerId = "SampleContainer";
 
 export const QueryCopilotSampleContainerSchema = {

src/Common/CosmosClient.ts

@@ -3,15 +3,16 @@ import { getAuthorizationTokenUsingResourceTokens } from "Common/getAuthorizatio
 import { AuthorizationToken } from "Contracts/FabricMessageTypes";
 import { checkDatabaseResourceTokensValidity } from "Platform/Fabric/FabricUtil";
 import { LocalStorageUtility, StorageKey } from "Shared/StorageUtility";
+import { useNewPortalBackendEndpoint } from "Utils/EndpointUtils";
 import { AuthType } from "../AuthType";
-import { PriorityLevel } from "../Common/Constants";
+import { BackendApi, PriorityLevel } from "../Common/Constants";
+import * as Logger from "../Common/Logger";
 import { Platform, configContext } from "../ConfigContext";
 import { userContext } from "../UserContext";
 import { logConsoleError } from "../Utils/NotificationConsoleUtils";
 import * as PriorityBasedExecutionUtils from "../Utils/PriorityBasedExecutionUtils";
 import { EmulatorMasterKey, HttpHeaders } from "./Constants";
 import { getErrorMessage } from "./ErrorHandlingUtils";
-import * as Logger from "../Common/Logger";
 
 const _global = typeof self === "undefined" ? window : self;
 
@@ -123,6 +124,37 @@ export async function getTokenFromAuthService(
   verb: string,
   resourceType: string,
   resourceId?: string,
+): Promise<AuthorizationToken> {
+  if (!useNewPortalBackendEndpoint(BackendApi.RuntimeProxy)) {
+    return getTokenFromAuthService_ToBeDeprecated(verb, resourceType, resourceId);
+  }
+
+  try {
+    const host: string = configContext.PORTAL_BACKEND_ENDPOINT;
+    const response: Response = await _global.fetch(host + "/api/connectionstring/runtimeproxy/authorizationtokens", {
+      method: "POST",
+      headers: {
+        "content-type": "application/json",
+        "x-ms-encrypted-auth-token": userContext.accessToken,
+      },
+      body: JSON.stringify({
+        verb,
+        resourceType,
+        resourceId,
+      }),
+    });
+    const result: AuthorizationToken = await response.json();
+    return result;
+  } catch (error) {
+    logConsoleError(`Failed to get authorization headers for ${resourceType}: ${getErrorMessage(error)}`);
+    return Promise.reject(error);
+  }
+}
+
+export async function getTokenFromAuthService_ToBeDeprecated(
+  verb: string,
+  resourceType: string,
+  resourceId?: string,
 ): Promise<AuthorizationToken> {
   try {
     const host = configContext.BACKEND_ENDPOINT;

src/Common/EnvironmentUtility.test.ts

@@ -1,3 +1,5 @@
+import { PortalBackendEndpoints } from "Common/Constants";
+import { updateConfigContext } from "ConfigContext";
 import * as EnvironmentUtility from "./EnvironmentUtility";
 
 describe("Environment Utility Test", () => {
@@ -11,4 +13,18 @@ describe("Environment Utility Test", () => {
     const expectedResult = "test/";
     expect(EnvironmentUtility.normalizeArmEndpoint(uri)).toEqual(expectedResult);
   });
+
+  it("Detect environment is Mpac", () => {
+    updateConfigContext({
+      PORTAL_BACKEND_ENDPOINT: PortalBackendEndpoints.Mpac,
+    });
+    expect(EnvironmentUtility.getEnvironment()).toBe(EnvironmentUtility.Environment.Mpac);
+  });
+
+  it("Detect environment is Development", () => {
+    updateConfigContext({
+      PORTAL_BACKEND_ENDPOINT: PortalBackendEndpoints.Development,
+    });
+    expect(EnvironmentUtility.getEnvironment()).toBe(EnvironmentUtility.Environment.Development);
+  });
 });

src/Common/EnvironmentUtility.ts

@@ -1,6 +1,29 @@
+import { PortalBackendEndpoints } from "Common/Constants";
+import { configContext } from "ConfigContext";
+
 export function normalizeArmEndpoint(uri: string): string {
   if (uri && uri.slice(-1) !== "/") {
     return `${uri}/`;
   }
   return uri;
 }
+
+export enum Environment {
+  Development = "Development",
+  Mpac = "MPAC",
+  Prod = "Prod",
+  Fairfax = "Fairfax",
+  Mooncake = "Mooncake",
+}
+
+export const getEnvironment = (): Environment => {
+  const environmentMap: { [key: string]: Environment } = {
+    [PortalBackendEndpoints.Development]: Environment.Development,
+    [PortalBackendEndpoints.Mpac]: Environment.Mpac,
+    [PortalBackendEndpoints.Prod]: Environment.Prod,
+    [PortalBackendEndpoints.Fairfax]: Environment.Fairfax,
+    [PortalBackendEndpoints.Mooncake]: Environment.Mooncake,
+  };
+
+  return environmentMap[configContext.PORTAL_BACKEND_ENDPOINT];
+};

src/Common/MongoProxyClient.ts

@@ -550,6 +550,49 @@ export function deleteDocument_ToBeDeprecated(
     });
 }
 
+export function deleteDocuments(
+  databaseId: string,
+  collection: Collection,
+  documentIds: DocumentId[],
+): Promise<{
+  deletedCount: number;
+  isAcknowledged: boolean;
+}> {
+  const { databaseAccount } = userContext;
+  const resourceEndpoint = databaseAccount.properties.mongoEndpoint || databaseAccount.properties.documentEndpoint;
+
+  const rids = documentIds.map((documentId) => documentId.id());
+
+  const params = {
+    databaseID: databaseId,
+    collectionID: collection.id(),
+    resourceUrl: `${resourceEndpoint}`,
+    resourceIDs: rids,
+    subscriptionID: userContext.subscriptionId,
+    resourceGroup: userContext.resourceGroup,
+    databaseAccountName: databaseAccount.name,
+  };
+  const endpoint = getFeatureEndpointOrDefault("bulkdelete");
+
+  return window
+    .fetch(`${endpoint}/bulkdelete`, {
+      method: "DELETE",
+      body: JSON.stringify(params),
+      headers: {
+        ...defaultHeaders,
+        ...authHeaders(),
+        [HttpHeaders.contentType]: ContentType.applicationJson,
+      },
+    })
+    .then(async (response) => {
+      if (response.ok) {
+        const result = await response.json();
+        return result;
+      }
+      return await errorHandling(response, "deleting documents", params);
+    });
+}
+
 export function createMongoCollectionWithProxy(
   params: DataModels.CreateCollectionParams,
 ): Promise<DataModels.Collection> {
@@ -677,23 +720,22 @@ export function useMongoProxyEndpoint(api: string): boolean {
     MongoProxyEndpoints.Local,
     MongoProxyEndpoints.Mpac,
     MongoProxyEndpoints.Prod,
-    // MongoProxyEndpoints.Fairfax,
+    MongoProxyEndpoints.Fairfax,
+    MongoProxyEndpoints.Mooncake,
   ];
-  let canAccessMongoProxy: boolean = userContext.databaseAccount.properties.publicNetworkAccess === "Enabled";
-  if (
-    configContext.MONGO_PROXY_ENDPOINT !== MongoProxyEndpoints.Local &&
-    userContext.databaseAccount.properties.ipRules?.length > 0
-  ) {
-    canAccessMongoProxy = canAccessMongoProxy && configContext.MONGO_PROXY_OUTBOUND_IPS_ALLOWLISTED;
-  }
 
   return (
-    canAccessMongoProxy &&
     configContext.NEW_MONGO_APIS?.includes(api) &&
     activeMongoProxyEndpoints.includes(configContext.MONGO_PROXY_ENDPOINT)
   );
 }
 
+export class ThrottlingError extends Error {
+  constructor(message: string) {
+    super(message);
+  }
+}
+
 // TODO: This function throws most of the time except on Forbidden which is a bit strange
 // It causes problems for TypeScript understanding the types
 async function errorHandling(response: Response, action: string, params: unknown): Promise<void> {
@@ -703,6 +745,14 @@ async function errorHandling(response: Response, action: string, params: unknown
   if (response.status === HttpStatusCodes.Forbidden) {
     sendMessage({ type: MessageTypes.ForbiddenError, reason: errorMessage });
     return;
+  } else if (
+    response.status === HttpStatusCodes.BadRequest &&
+    errorMessage.includes("Error=16500") &&
+    errorMessage.includes("RetryAfterMs=")
+  ) {
+    // If throttling is happening, Cosmos DB will return a 400 with a body of:
+    // A write operation resulted in an error. Error=16500, RetryAfterMs=4, Details='Batch write error.
+    throw new ThrottlingError(errorMessage);
   }
   throw new Error(errorMessage);
 }

src/Common/PortalNotifications.ts

@@ -1,39 +0,0 @@
-import { configContext, Platform } from "../ConfigContext";
-import * as DataModels from "../Contracts/DataModels";
-import * as ViewModels from "../Contracts/ViewModels";
-import { userContext } from "../UserContext";
-import { getAuthorizationHeader } from "../Utils/AuthorizationUtils";
-
-const notificationsPath = () => {
-  switch (configContext.platform) {
-    case Platform.Hosted:
-      return "/api/guest/notifications";
-    case Platform.Portal:
-      return "/api/notifications";
-    default:
-      throw new Error(`Unknown platform: ${configContext.platform}`);
-  }
-};
-
-export const fetchPortalNotifications = async (): Promise<DataModels.Notification[]> => {
-  if (configContext.platform === Platform.Emulator || configContext.platform === Platform.Hosted) {
-    return [];
-  }
-
-  const { databaseAccount, resourceGroup, subscriptionId } = userContext;
-  const url = `${configContext.BACKEND_ENDPOINT}${notificationsPath()}?accountName=${
-    databaseAccount.name
-  }&subscriptionId=${subscriptionId}&resourceGroup=${resourceGroup}`;
-  const authorizationHeader: ViewModels.AuthorizationTokenHeaderMetadata = getAuthorizationHeader();
-  const headers = { [authorizationHeader.header]: authorizationHeader.token };
-
-  const response = await window.fetch(url, {
-    headers,
-  });
-
-  if (!response.ok) {
-    throw new Error(await response.text());
-  }
-
-  return (await response.json()) as DataModels.Notification[];
-};

src/Common/QueryError.test.ts

@@ -0,0 +1,94 @@
+import QueryError, { QueryErrorLocation, QueryErrorSeverity } from "Common/QueryError";
+
+describe("QueryError.tryParse", () => {
+  const testErrorLocationResolver = ({ start, end }: { start: number; end: number }) =>
+    new QueryErrorLocation(
+      { offset: start, lineNumber: start, column: start },
+      { offset: end, lineNumber: end, column: end },
+    );
+
+  it("handles a string error", () => {
+    const error = "error";
+    const result = QueryError.tryParse(error, testErrorLocationResolver);
+    expect(result).toEqual([new QueryError("error", QueryErrorSeverity.Error)]);
+  });
+
+  it("handles an error object", () => {
+    const error = {
+      message: "error",
+      severity: "Warning",
+      location: { start: 0, end: 1 },
+      code: "code",
+    };
+    const result = QueryError.tryParse(error, testErrorLocationResolver);
+    expect(result).toEqual([
+      new QueryError(
+        "error",
+        QueryErrorSeverity.Warning,
+        "code",
+        new QueryErrorLocation({ offset: 0, lineNumber: 0, column: 0 }, { offset: 1, lineNumber: 1, column: 1 }),
+      ),
+    ]);
+  });
+
+  it("handles a JSON message without syntax errors", () => {
+    const innerError = {
+      code: "BadRequest",
+      message: "Your query is bad, and you should feel bad",
+    };
+    const message = JSON.stringify(innerError);
+    const outerError = {
+      code: "BadRequest",
+      message,
+    };
+
+    const result = QueryError.tryParse(outerError, testErrorLocationResolver);
+    expect(result).toEqual([
+      new QueryError("Your query is bad, and you should feel bad", QueryErrorSeverity.Error, "BadRequest"),
+    ]);
+  });
+
+  // Imitate the value coming from the backend, which has the syntax errors serialized as JSON in the message.
+  it("handles single-nested error", () => {
+    const errors = [
+      {
+        message: "error1",
+        severity: "Warning",
+        location: { start: 0, end: 1 },
+        code: "code1",
+      },
+      {
+        message: "error2",
+        severity: "Error",
+        location: { start: 2, end: 3 },
+        code: "code2",
+      },
+    ];
+    const innerError = {
+      code: "BadRequest",
+      message: "Your query is bad, and you should feel bad",
+      errors,
+    };
+    const message = JSON.stringify(innerError);
+    const outerError = {
+      code: "BadRequest",
+      message,
+    };
+
+    const result = QueryError.tryParse(outerError, testErrorLocationResolver);
+    expect(result).toEqual([
+      new QueryError(
+        "error1",
+        QueryErrorSeverity.Warning,
+        "code1",
+        new QueryErrorLocation({ offset: 0, lineNumber: 0, column: 0 }, { offset: 1, lineNumber: 1, column: 1 }),
+      ),
+      new QueryError(
+        "error2",
+        QueryErrorSeverity.Error,
+        "code2",
+        new QueryErrorLocation({ offset: 2, lineNumber: 2, column: 2 }, { offset: 3, lineNumber: 3, column: 3 }),
+      ),
+    ]);
+  });
+});

src/Common/QueryError.ts

@@ -1,5 +1,5 @@
-import { getErrorMessage } from "Common/ErrorHandlingUtils";
 import { monaco } from "Explorer/LazyMonaco";
+import { getRUThreshold, ruThresholdEnabled } from "Shared/StorageUtility";
 
 export enum QueryErrorSeverity {
   Error = "Error",
@@ -97,13 +97,44 @@ export const createMonacoMarkersForQueryErrors = (errors: QueryError[]) => {
     .filter((marker) => !!marker);
 };
 
+export interface ErrorEnrichment {
+  title?: string;
+  message: string;
+  learnMoreUrl?: string;
+}
+
+const REPLACEMENT_MESSAGES: Record<string, (original: string) => string> = {
+  OPERATION_RU_LIMIT_EXCEEDED: (original) => {
+    if (ruThresholdEnabled()) {
+      const threshold = getRUThreshold();
+      return `Query exceeded the Request Unit (RU) limit of ${threshold} RUs. You can change this limit in Data Explorer settings.`;
+    }
+    return original;
+  },
+};
+
+const HELP_LINKS: Record<string, string> = {
+  OPERATION_RU_LIMIT_EXCEEDED:
+    "https://learn.microsoft.com/en-us/azure/cosmos-db/data-explorer#configure-request-unit-threshold",
+};
+
 export default class QueryError {
+  message: string;
+  helpLink?: string;
+
   constructor(
-    public message: string,
+    message: string,
     public severity: QueryErrorSeverity,
     public code?: string,
     public location?: QueryErrorLocation,
-  ) {}
+    helpLink?: string,
+  ) {
+    // Automatically replace the message with a more Data Explorer-specific message if we have for this error code.
+    this.message = REPLACEMENT_MESSAGES[code] ? REPLACEMENT_MESSAGES[code](message) : message;
+
+    // Automatically set the help link if we have one for this error code.
+    this.helpLink = helpLink ?? HELP_LINKS[code];
+  }
 
   getMonacoSeverity(): monaco.MarkerSeverity {
     // It's very difficult to use the monaco.MarkerSeverity enum from here, so we'll just use the numbers directly.
@@ -135,7 +166,7 @@ export default class QueryError {
       return errors;
     }
 
-    const errorMessage = getErrorMessage(error as string | Error);
+    const errorMessage = error as string;
 
     // Map some well known messages to richer errors
     const knownError = knownErrors[errorMessage];
@@ -160,7 +191,9 @@ export default class QueryError {
     }
 
     const severity =
-      "severity" in error && typeof error.severity === "string" ? (error.severity as QueryErrorSeverity) : undefined;
+      "severity" in error && typeof error.severity === "string"
+        ? (error.severity as QueryErrorSeverity)
+        : QueryErrorSeverity.Error;
     const location =
       "location" in error && typeof error.location === "object"
         ? locationResolver(error.location as { start: number; end: number })
@@ -173,16 +206,15 @@ export default class QueryError {
     error: unknown,
     locationResolver: (location: { start: number; end: number }) => QueryErrorLocation,
   ): QueryError[] | null {
-    if (typeof error === "object" && "message" in error) {
-      error = error.message;
-    }
-
-    if (typeof error !== "string") {
+    let message: string | undefined;
+    if (typeof error === "object" && "message" in error && typeof error.message === "string") {
+      message = error.message;
+    } else {
+      // Unsupported error format.
       return null;
     }
 
     // Assign to a new variable because of a TypeScript flow typing quirk, see below.
-    let message = error;
     if (message.startsWith("Message: ")) {
       // Reassigning this to 'error' restores the original type of 'error', which is 'unknown'.
       // So we use a separate variable to avoid this.
@@ -196,13 +228,16 @@ export default class QueryError {
     try {
       parsed = JSON.parse(message);
     } catch (e) {
-      // Not a query error.
-      return null;
+      // The message doesn't contain a nested error.
+      return [QueryError.read(error, locationResolver)];
     }
 
-    if (typeof parsed === "object" && "errors" in parsed && Array.isArray(parsed.errors)) {
+    if (typeof parsed === "object") {
+      if ("errors" in parsed && Array.isArray(parsed.errors)) {
         return parsed.errors.map((e) => QueryError.read(e, locationResolver)).filter((e) => e !== null);
       }
+      return [QueryError.read(parsed, locationResolver)];
+    }
     return null;
   }
 }

src/Common/Tooltip/InfoTooltip.tsx

@@ -3,11 +3,12 @@ import * as React from "react";
 
 export interface TooltipProps {
   children: string;
+  className?: string;
 }
 
-export const InfoTooltip: React.FunctionComponent<TooltipProps> = ({ children }: TooltipProps) => {
+export const InfoTooltip: React.FunctionComponent<TooltipProps> = ({ children, className }: TooltipProps) => {
   return (
-    <span>
+    <span className={className}>
       <TooltipHost content={children}>
         <Icon iconName="Info" ariaLabel={children} className="panelInfoIcon" tabIndex={0} />
       </TooltipHost>

src/Common/dataAccess/deleteDocument.ts

@@ -26,14 +26,23 @@ export const deleteDocument = async (collection: CollectionBase, documentId: Doc
   }
 };
 
+export interface IBulkDeleteResult {
+  documentId: DocumentId;
+  requestCharge: number;
+  statusCode: number;
+  retryAfterMilliseconds?: number;
+}
+
 /**
  * Bulk delete documents
  * @param collection
  * @param documentId
- * @returns array of ids that were successfully deleted
+ * @returns array of results and status codes
  */
-export const deleteDocuments = async (collection: CollectionBase, documentIds: DocumentId[]): Promise<DocumentId[]> => {
-  const nbDocuments = documentIds.length;
+export const deleteDocuments = async (
+  collection: CollectionBase,
+  documentIds: DocumentId[],
+): Promise<IBulkDeleteResult[]> => {
   const clearMessage = logConsoleProgress(`Deleting ${documentIds.length} ${getEntityName(true)}`);
   try {
     const v2Container = await client().database(collection.databaseId).container(collection.id());
@@ -56,18 +65,17 @@ export const deleteDocuments = async (collection: CollectionBase, documentIds: D
         operationType: BulkOperationType.Delete,
       }));
 
-      const promise = v2Container.items.bulk(operations).then((bulkResult) => {
-        return documentIdsChunk.filter((_, index) => bulkResult[index].statusCode === 204);
+      const promise = v2Container.items.bulk(operations).then((bulkResults) => {
+        return bulkResults.map((bulkResult, index) => {
+          const documentId = documentIdsChunk[index];
+          return { ...bulkResult, documentId };
+        });
       });
       promiseArray.push(promise);
     }
 
     const allResult = await Promise.all(promiseArray);
     const flatAllResult = Array.prototype.concat.apply([], allResult);
-    logConsoleInfo(
-      `Successfully deleted ${getEntityName(flatAllResult.length > 1)}: ${flatAllResult.length} out of ${nbDocuments}`,
-    );
-    // TODO: handle case result.length != nbDocuments
     return flatAllResult;
   } catch (error) {
     handleError(

src/ConfigContext.ts

@@ -49,14 +49,12 @@ export interface ConfigContext {
   ARCADIA_ENDPOINT: string;
   ARCADIA_LIVY_ENDPOINT_DNS_ZONE: string;
   BACKEND_ENDPOINT?: string;
-  PORTAL_BACKEND_ENDPOINT?: string;
+  PORTAL_BACKEND_ENDPOINT: string;
   NEW_BACKEND_APIS?: BackendApi[];
   MONGO_BACKEND_ENDPOINT?: string;
-  MONGO_PROXY_ENDPOINT?: string;
-  MONGO_PROXY_OUTBOUND_IPS_ALLOWLISTED?: boolean;
+  MONGO_PROXY_ENDPOINT: string;
   NEW_MONGO_APIS?: string[];
-  CASSANDRA_PROXY_ENDPOINT?: string;
-  CASSANDRA_PROXY_OUTBOUND_IPS_ALLOWLISTED: boolean;
+  CASSANDRA_PROXY_ENDPOINT: string;
   NEW_CASSANDRA_APIS?: string[];
   PROXY_PATH?: string;
   JUNO_ENDPOINT: string;
@@ -87,7 +85,7 @@ let configContext: Readonly<ConfigContext> = {
     `^https:\\/\\/.*\\.analysis-df\\.net$`,
     `^https:\\/\\/.*\\.analysis-df\\.windows\\.net$`,
     `^https:\\/\\/.*\\.azure-test\\.net$`,
-    `^https:\\/\\/cosmos-explorer-preview\\.azurewebsites\\.net`,
+    `^https:\\/\\/cosmos-explorer-preview\\.azurewebsites\\.net$`,
   ], // Webpack injects this at build time
   gitSha: process.env.GIT_SHA,
   hostedExplorerURL: "https://cosmos.azure.com/",
@@ -117,11 +115,10 @@ let configContext: Readonly<ConfigContext> = {
     "deleteDocument",
     "createCollectionWithProxy",
     "legacyMongoShell",
+    // "bulkdelete",
   ],
-  MONGO_PROXY_OUTBOUND_IPS_ALLOWLISTED: false,
   CASSANDRA_PROXY_ENDPOINT: CassandraProxyEndpoints.Prod,
   NEW_CASSANDRA_APIS: ["postQuery", "createOrDelete", "getKeys", "getSchema"],
-  CASSANDRA_PROXY_OUTBOUND_IPS_ALLOWLISTED: false,
   isTerminalEnabled: false,
   isPhoenixEnabled: false,
 };

src/Contracts/ViewModels.ts

@@ -98,7 +98,6 @@ export interface Database extends TreeNode {
   openAddCollection(database: Database, event: MouseEvent): void;
   onSettingsClick: () => void;
   loadOffer(): Promise<void>;
-  getPendingThroughputSplitNotification(): Promise<DataModels.Notification>;
 }
 
 export interface CollectionBase extends TreeNode {
@@ -191,8 +190,6 @@ export interface Collection extends CollectionBase {
   onDragOver(source: Collection, event: { originalEvent: DragEvent }): void;
   onDrop(source: Collection, event: { originalEvent: DragEvent }): void;
   uploadFiles(fileList: FileList): Promise<{ data: UploadDetailsRecord[] }>;
-
-  getPendingThroughputSplitNotification(): Promise<DataModels.Notification>;
 }
 
 /**

src/Explorer/Controls/CommandButton/CommandButtonComponent.tsx

@@ -1,23 +1,14 @@
 /**
  * React component for Command button component.
  */
+import Explorer from "Explorer/Explorer";
 import { KeyboardAction } from "KeyboardShortcuts";
 import * as React from "react";
-import CollapseChevronDownIcon from "../../../../images/QueryBuilder/CollapseChevronDown_16x.png";
-import { KeyCodes } from "../../../Common/Constants";
-import { Action, ActionModifiers } from "../../../Shared/Telemetry/TelemetryConstants";
-import * as TelemetryProcessor from "../../../Shared/Telemetry/TelemetryProcessor";
-import * as StringUtils from "../../../Utils/StringUtils";
 
 /**
  * Options for this component
  */
 export interface CommandButtonComponentProps {
-  /**
-   * font icon name for the button
-   */
-  iconName?: string;
-
   /**
    * image source for the button icon
    */
@@ -31,7 +22,7 @@ export interface CommandButtonComponentProps {
   /**
    * Click handler for command button click
    */
-  onCommandClick?: (e: React.SyntheticEvent | KeyboardEvent) => void;
+  onCommandClick?: (e: React.SyntheticEvent | KeyboardEvent, container: Explorer) => void;
 
   /**
    * Label for the button
@@ -120,157 +111,3 @@ export interface CommandButtonComponentProps {
    */
   keyboardAction?: KeyboardAction;
 }
-
-export class CommandButtonComponent extends React.Component<CommandButtonComponentProps> {
-  private dropdownElt: HTMLElement;
-  private expandButtonElt: HTMLElement;
-
-  public componentDidUpdate(): void {
-    if (!this.dropdownElt || !this.expandButtonElt) {
-      return;
-    }
-    $(this.dropdownElt).offset({ left: $(this.expandButtonElt).offset().left });
-  }
-
-  private onKeyPress(event: React.KeyboardEvent): boolean {
-    if (event.keyCode === KeyCodes.Space || event.keyCode === KeyCodes.Enter) {
-      this.commandClickCallback && this.commandClickCallback(event);
-      event.stopPropagation();
-      return false;
-    }
-    return true;
-  }
-
-  private onLauncherKeyDown(event: React.KeyboardEvent<HTMLDivElement>): boolean {
-    if (event.keyCode === KeyCodes.DownArrow) {
-      $(this.dropdownElt).hide();
-      $(this.dropdownElt).show().focus();
-      event.stopPropagation();
-      return false;
-    }
-    if (event.keyCode === KeyCodes.UpArrow) {
-      $(this.dropdownElt).hide();
-      event.stopPropagation();
-      return false;
-    }
-    return true;
-  }
-
-  private getCommandButtonId(): string {
-    if (this.props.id) {
-      return this.props.id;
-    } else {
-      return `commandButton-${StringUtils.stripSpacesFromString(this.props.commandButtonLabel)}`;
-    }
-  }
-
-  public static renderButton(options: CommandButtonComponentProps, key?: string): JSX.Element {
-    return <CommandButtonComponent key={key} {...options} />;
-  }
-
-  private commandClickCallback(e: React.SyntheticEvent): void {
-    if (this.props.disabled) {
-      return;
-    }
-
-    // TODO Query component's parent, not document
-    const el = document.querySelector(".commandDropdownContainer") as HTMLElement;
-    if (el) {
-      el.style.display = "none";
-    }
-    this.props.onCommandClick(e);
-    TelemetryProcessor.trace(Action.SelectItem, ActionModifiers.Mark, {
-      commandButtonClicked: this.props.commandButtonLabel,
-    });
-  }
-
-  private renderChildren(): JSX.Element {
-    if (!this.props.children || this.props.children.length < 1) {
-      return <React.Fragment />;
-    }
-
-    return (
-      <div
-        className="commandExpand"
-        tabIndex={0}
-        ref={(ref: HTMLElement) => {
-          this.expandButtonElt = ref;
-        }}
-        onKeyDown={(e: React.KeyboardEvent<HTMLDivElement>) => this.onLauncherKeyDown(e)}
-      >
-        <div className="commandDropdownLauncher">
-          <span className="partialSplitter" />
-          <span className="expandDropdown">
-            <img src={CollapseChevronDownIcon} />
-          </span>
-        </div>
-        <div
-          className="commandDropdownContainer"
-          ref={(ref: HTMLElement) => {
-            this.dropdownElt = ref;
-          }}
-        >
-          <div className="commandDropdown">
-            {this.props.children.map((c: CommandButtonComponentProps, index: number): JSX.Element => {
-              return CommandButtonComponent.renderButton(c, `${index}`);
-            })}
-          </div>
-        </div>
-      </div>
-    );
-  }
-
-  public static renderLabel(
-    props: CommandButtonComponentProps,
-    key?: string,
-    refct?: (input: HTMLElement) => void,
-  ): JSX.Element {
-    if (!props.commandButtonLabel) {
-      return <React.Fragment />;
-    }
-
-    return (
-      <span className="commandLabel" key={key} ref={refct}>
-        {props.commandButtonLabel}
-      </span>
-    );
-  }
-
-  public render(): JSX.Element {
-    let mainClassName = "commandButtonComponent";
-    if (this.props.disabled) {
-      mainClassName += " commandDisabled";
-    }
-    if (this.props.isSelected) {
-      mainClassName += " selectedButton";
-    }
-
-    let contentClassName = "commandContent";
-    if (this.props.children && this.props.children.length > 0) {
-      contentClassName += " hasHiddenItems";
-    }
-
-    return (
-      <div className="commandButtonReact">
-        <span
-          className={mainClassName}
-          role="menuitem"
-          tabIndex={this.props.tabIndex}
-          onKeyPress={(e: React.KeyboardEvent<HTMLSpanElement>) => this.onKeyPress(e)}
-          title={this.props.tooltipText}
-          id={this.getCommandButtonId()}
-          aria-disabled={this.props.disabled}
-          aria-haspopup={this.props.hasPopup}
-          aria-label={this.props.ariaLabel}
-          onClick={(e: React.MouseEvent<HTMLSpanElement>) => this.commandClickCallback(e)}
-        >
-          <div className={contentClassName}>
-            <img className="commandIcon" src={this.props.iconSrc} alt={this.props.iconAlt} />
-            {CommandButtonComponent.renderLabel(this.props)}
-          </div>
-        </span>
-        {this.props.children && this.renderChildren()}
-      </div>
-    );
-  }
-}

src/Explorer/Controls/Dialog.tsx

@@ -35,7 +35,7 @@ export interface DialogState {
     textFieldProps?: TextFieldProps,
     primaryButtonDisabled?: boolean,
   ) => void;
-  showOkModalDialog: (title: string, subText: string) => void;
+  showOkModalDialog: (title: string, subText: string, linkProps?: LinkProps) => void;
 }
 
 export const useDialog: UseStore<DialogState> = create((set, get) => ({
@@ -83,7 +83,7 @@ export const useDialog: UseStore<DialogState> = create((set, get) => ({
       textFieldProps,
       primaryButtonDisabled,
     }),
-  showOkModalDialog: (title: string, subText: string): void =>
+  showOkModalDialog: (title: string, subText: string, linkProps?: LinkProps): void =>
     get().openDialog({
       isModal: true,
       title,
@@ -94,6 +94,7 @@ export const useDialog: UseStore<DialogState> = create((set, get) => ({
         get().closeDialog();
       },
       onSecondaryButtonClick: undefined,
+      linkProps,
     }),
 }));
 

src/Explorer/Controls/ProgressModalDialog.tsx

@@ -0,0 +1,79 @@
+import {
+  Button,
+  Dialog,
+  DialogActions,
+  DialogBody,
+  DialogContent,
+  DialogSurface,
+  DialogTitle,
+  DialogTrigger,
+  Field,
+  ProgressBar,
+} from "@fluentui/react-components";
+import * as React from "react";
+
+interface ProgressModalDialogProps {
+  isOpen: boolean;
+  title: string;
+  message: string;
+  maxValue: number;
+  value: number;
+  dismissText: string;
+  onDismiss: () => void;
+  onCancel?: () => void;
+  /* mode drives the state of the action buttons
+   * inProgress: Show cancel button
+   * completed: Show close button
+   * aborting: Show cancel button, but disabled
+   * aborted: Show close button
+   */
+  mode?: "inProgress" | "completed" | "aborting" | "aborted";
+}
+
+/**
+ * React component that renders a modal dialog with a progress bar.
+ */
+export const ProgressModalDialog: React.FC<ProgressModalDialogProps> = ({
+  isOpen,
+  title,
+  message,
+  maxValue,
+  value,
+  dismissText,
+  onCancel,
+  onDismiss,
+  children,
+  mode = "completed",
+}) => (
+  <Dialog
+    open={isOpen}
+    onOpenChange={(event, data) => {
+      if (!data.open) {
+        onDismiss();
+      }
+    }}
+  >
+    <DialogSurface>
+      <DialogBody>
+        <DialogTitle>{title}</DialogTitle>
+        <DialogContent>
+          <Field validationMessage={message} validationState="none">
+            <ProgressBar max={maxValue} value={value} />
+          </Field>
+          {children}
+        </DialogContent>
+        <DialogActions>
+          {mode === "inProgress" || mode === "aborting" ? (
+            <Button appearance="secondary" onClick={onCancel} disabled={mode === "aborting"}>
+              {dismissText}
+            </Button>
+          ) : (
+            <DialogTrigger disableButtonEnhancement>
+              <Button appearance="primary">Close</Button>
+            </DialogTrigger>
+          )}
+        </DialogActions>
+      </DialogBody>
+    </DialogSurface>
+  </Dialog>
+);

src/Explorer/Controls/Settings/SettingsComponent.test.tsx

@@ -134,7 +134,6 @@ describe("SettingsComponent", () => {
       readSettings: undefined,
       onSettingsClick: undefined,
       loadOffer: undefined,
-      getPendingThroughputSplitNotification: undefined,
     } as ViewModels.Database;
     newCollection.getDatabase = () => newDatabase;
     newCollection.offer = ko.observable(undefined);

src/Explorer/Controls/Settings/SettingsComponent.tsx

@@ -7,6 +7,7 @@ import {
   ContainerVectorPolicyComponent,
   ContainerVectorPolicyComponentProps,
 } from "Explorer/Controls/Settings/SettingsSubComponents/ContainerVectorPolicyComponent";
+import { useCommandBar } from "Explorer/Menus/CommandBar/useCommandBar";
 import { useDatabases } from "Explorer/useDatabases";
 import { isVectorSearchEnabled } from "Utils/CapabilityUtils";
 import { isRunningOnPublicCloud } from "Utils/CloudUtils";
@@ -32,7 +33,6 @@ import {
   PartitionKeyComponent,
   PartitionKeyComponentProps,
 } from "../../Controls/Settings/SettingsSubComponents/PartitionKeyComponent";
-import { useCommandBar } from "../../Menus/CommandBar/CommandBarComponentAdapter";
 import { SettingsTabV2 } from "../../Tabs/SettingsTabV2";
 import "./SettingsComponent.less";
 import { mongoIndexingPolicyAADError } from "./SettingsRenderUtils";
@@ -130,7 +130,6 @@ export interface SettingsComponentState {
   conflictResolutionPolicyProcedureBaseline: string;
   isConflictResolutionDirty: boolean;
 
-  initialNotification: DataModels.Notification;
   selectedTab: SettingsV2TabTypes;
 }
 
@@ -229,7 +228,6 @@ export class SettingsComponent extends React.Component<SettingsComponentProps, S
       conflictResolutionPolicyProcedureBaseline: undefined,
       isConflictResolutionDirty: false,
 
-      initialNotification: undefined,
       selectedTab: SettingsV2TabTypes.ScaleTab,
     };
 
@@ -1052,7 +1050,6 @@ export class SettingsComponent extends React.Component<SettingsComponentProps, S
       onMaxAutoPilotThroughputChange: this.onMaxAutoPilotThroughputChange,
       onScaleSaveableChange: this.onScaleSaveableChange,
       onScaleDiscardableChange: this.onScaleDiscardableChange,
-      initialNotification: this.props.settingsTab.pendingNotification(),
       throughputError: this.state.throughputError,
     };
 

src/Explorer/Controls/Settings/SettingsSubComponents/ScaleComponent.test.tsx

@@ -1,18 +1,10 @@
-import { shallow } from "enzyme";
-import ko from "knockout";
-import React from "react";
 import * as Constants from "../../../../Common/Constants";
-import * as DataModels from "../../../../Contracts/DataModels";
 import { updateUserContext } from "../../../../UserContext";
 import Explorer from "../../../Explorer";
-import { throughputUnit } from "../SettingsRenderUtils";
 import { collection } from "../TestUtils";
 import { ScaleComponent, ScaleComponentProps } from "./ScaleComponent";
-import { ThroughputInputAutoPilotV3Component } from "./ThroughputInputComponents/ThroughputInputAutoPilotV3Component";
 
 describe("ScaleComponent", () => {
-  const targetThroughput = 6000;
-
   const baseProps: ScaleComponentProps = {
     collection: collection,
     database: undefined,
@@ -36,39 +28,8 @@ describe("ScaleComponent", () => {
     onScaleDiscardableChange: () => {
       return;
     },
-    initialNotification: {
-      description: `Throughput update for ${targetThroughput} ${throughputUnit}`,
-    } as DataModels.Notification,
   };
 
-  it("renders with correct initial notification", () => {
-    let wrapper = shallow(<ScaleComponent {...baseProps} />);
-    expect(wrapper).toMatchSnapshot();
-    expect(wrapper.exists(ThroughputInputAutoPilotV3Component)).toEqual(true);
-    expect(wrapper.exists("#throughputApplyLongDelayMessage")).toEqual(true);
-    expect(wrapper.exists("#throughputApplyShortDelayMessage")).toEqual(false);
-    expect(wrapper.find("#throughputApplyLongDelayMessage").html()).toContain(`${targetThroughput}`);
-
-    const newCollection = { ...collection };
-    const maxThroughput = 5000;
-    newCollection.offer = ko.observable({
-      manualThroughput: undefined,
-      autoscaleMaxThroughput: maxThroughput,
-      minimumThroughput: 400,
-      id: "offer",
-      offerReplacePending: true,
-    });
-    const newProps = {
-      ...baseProps,
-      initialNotification: undefined as DataModels.Notification,
-      collection: newCollection,
-    };
-    wrapper = shallow(<ScaleComponent {...newProps} />);
-    expect(wrapper.exists("#throughputApplyShortDelayMessage")).toEqual(true);
-    expect(wrapper.exists("#throughputApplyLongDelayMessage")).toEqual(false);
-    expect(wrapper.find("#throughputApplyShortDelayMessage").html()).toContain(`${maxThroughput}`);
-  });
-
   it("autoScale disabled", () => {
     const scaleComponent = new ScaleComponent(baseProps);
     expect(scaleComponent.isAutoScaleEnabled()).toEqual(false);

src/Explorer/Controls/Settings/SettingsSubComponents/ScaleComponent.tsx

@@ -10,7 +10,6 @@ import * as AutoPilotUtils from "../../../../Utils/AutoPilotUtils";
 import { isRunningOnNationalCloud } from "../../../../Utils/CloudUtils";
 import {
   getTextFieldStyles,
-  getThroughputApplyLongDelayMessage,
   getThroughputApplyShortDelayMessage,
   subComponentStackProps,
   throughputUnit,
@@ -34,7 +33,6 @@ export interface ScaleComponentProps {
   onMaxAutoPilotThroughputChange: (newThroughput: number) => void;
   onScaleSaveableChange: (isScaleSaveable: boolean) => void;
   onScaleDiscardableChange: (isScaleDiscardable: boolean) => void;
-  initialNotification: DataModels.Notification;
   throughputError?: string;
 }
 
@@ -102,10 +100,6 @@ export class ScaleComponent extends React.Component<ScaleComponentProps> {
   };
 
   public getInitialNotificationElement = (): JSX.Element => {
-    if (this.props.initialNotification) {
-      return this.getLongDelayMessage();
-    }
-
     if (this.offer?.offerReplacePending) {
       const throughput = this.offer.manualThroughput || this.offer.autoscaleMaxThroughput;
       return getThroughputApplyShortDelayMessage(
@@ -120,26 +114,6 @@ export class ScaleComponent extends React.Component<ScaleComponentProps> {
     return undefined;
   };
 
-  public getLongDelayMessage = (): JSX.Element => {
-    const matches: string[] = this.props.initialNotification?.description.match(
-      `Throughput update for (.*) ${throughputUnit}`,
-    );
-
-    const throughput = this.props.throughputBaseline;
-    const targetThroughput: number = matches.length > 1 && Number(matches[1]);
-    if (targetThroughput) {
-      return getThroughputApplyLongDelayMessage(
-        this.props.wasAutopilotOriginallySet,
-        throughput,
-        throughputUnit,
-        this.databaseId,
-        this.collectionId,
-        targetThroughput,
-      );
-    }
-    return <></>;
-  };
-
   private getThroughputInputComponent = (): JSX.Element => (
     <ThroughputInputAutoPilotV3Component
       databaseAccount={userContext?.databaseAccount}

src/Explorer/Controls/Settings/SettingsSubComponents/__snapshots__/ScaleComponent.test.tsx.snap

@@ -1,64 +0,0 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
-
-exports[`ScaleComponent renders with correct initial notification 1`] = `
-<Stack
-  tokens={
-    {
-      "childrenGap": 20,
-    }
-  }
->
-  <StyledMessageBar
-    messageBarType={5}
-  >
-    <Text
-      id="throughputApplyLongDelayMessage"
-      styles={
-        {
-          "root": {
-            "color": "windowtext",
-            "fontSize": 14,
-          },
-        }
-      }
-    >
-      A request to increase the throughput is currently in progress. This operation will take 1-3 business days to complete. View the latest status in Notifications.
-      <br />
-      Database: test, Container: test 
-      , Current autoscale throughput: 100 - 1000 RU/s, Target autoscale throughput: 600 - 6000 RU/s
-    </Text>
-  </StyledMessageBar>
-  <Stack
-    tokens={
-      {
-        "childrenGap": 20,
-      }
-    }
-  >
-    <ThroughputInputAutoPilotV3Component
-      canExceedMaximumValue={true}
-      collectionName="test"
-      databaseName="test"
-      isAutoPilotSelected={false}
-      isEmulator={false}
-      isEnabled={true}
-      isFixed={false}
-      label="Throughput (6,000 - unlimited RU/s)"
-      maxAutoPilotThroughput={4000}
-      maxAutoPilotThroughputBaseline={4000}
-      maximum={1000000}
-      minimum={6000}
-      onAutoPilotSelected={[Function]}
-      onMaxAutoPilotThroughputChange={[Function]}
-      onScaleDiscardableChange={[Function]}
-      onScaleSaveableChange={[Function]}
-      onThroughputChange={[Function]}
-      spendAckChecked={false}
-      throughput={1000}
-      throughputBaseline={1000}
-      usageSizeInKB={100}
-      wasAutopilotOriginallySet={true}
-    />
-  </Stack>
-</Stack>
-`;

src/Explorer/Controls/Settings/SettingsUtils.test.tsx

@@ -44,7 +44,6 @@ describe("SettingsUtils", () => {
         readSettings: undefined,
         onSettingsClick: undefined,
         loadOffer: undefined,
-        getPendingThroughputSplitNotification: undefined,
       } as ViewModels.Database;
     };
     newCollection.offer(undefined);

src/Explorer/Controls/TreeComponent/Styles.ts

@@ -17,7 +17,7 @@ export const useTreeStyles = makeStyles({
     minWidth: "100%",
     rowGap: "0px",
     paddingTop: "0px",
-    [treeIconWidth]: "20px",
+    [treeIconWidth]: "16px",
     [leafNodeSpacing]: "24px",
   },
   nodeIcon: {
@@ -25,12 +25,13 @@ export const useTreeStyles = makeStyles({
     height: `var(${treeIconWidth})`,
   },
   treeItem: {},
-  nodeLabel: {},
+  nodeLabel: {
+    whiteSpace: "nowrap", // Don't wrap text, there will be a scrollbar.
+  },
   treeItemLayout: {
     fontSize: tokens.fontSizeBase300,
     height: tokens.layoutRowHeight,
     ...cosmosShorthands.borderBottom(),
-    paddingLeft: `calc(var(${treeItemLevelToken}, 1) * ${tokens.spacingHorizontalXXL})`,
 
     // Some sneaky CSS variables stuff to change the background color of the action button on hover.
     [actionButtonBackground]: tokens.colorNeutralBackground1,

src/Explorer/Controls/TreeComponent/TreeNodeComponent.tsx

@@ -107,7 +107,7 @@ export const TreeNodeComponent: React.FC<TreeNodeComponentProps> = ({
 
   const onOpenChange = useCallback(
     (_: TreeOpenChangeEvent, data: TreeOpenChangeData) => {
-      if (data.type === "Click" && !isBranch && node.onClick) {
+      if (data.type === "Click" && node.onClick) {
         node.onClick();
       }
       if (!node.isExpanded && data.open && node.onExpanded) {
@@ -119,7 +119,7 @@ export const TreeNodeComponent: React.FC<TreeNodeComponentProps> = ({
         node.onCollapsed?.();
       }
     },
-    [isBranch, node, setIsLoading],
+    [node, setIsLoading],
   );
 
   const onMenuOpenChange = useCallback(
@@ -149,15 +149,16 @@ export const TreeNodeComponent: React.FC<TreeNodeComponentProps> = ({
 
   // We use the expandIcon slot to hold the node icon too.
   // We only show a node icon for leaf nodes, even if a branch node has an iconSrc.
-  const expandIcon = isLoading ? (
-    <Spinner size="extra-tiny" />
-  ) : !isBranch ? (
-    typeof node.iconSrc === "string" ? (
+  const treeIcon =
+    node.iconSrc === undefined ? undefined : typeof node.iconSrc === "string" ? (
       <img src={node.iconSrc} className={treeStyles.nodeIcon} alt="" />
     ) : (
       node.iconSrc
-    )
-  ) : openItems.includes(treeNodeId) ? (
+    );
+
+  const expandIcon = isLoading ? (
+    <Spinner size="extra-tiny" />
+  ) : !isBranch ? undefined : openItems.includes(treeNodeId) ? (
     <ChevronDown20Regular data-test="TreeNode/CollapseIcon" />
   ) : (
     <ChevronRight20Regular data-text="TreeNode/ExpandIcon" />
@@ -174,7 +175,6 @@ export const TreeNodeComponent: React.FC<TreeNodeComponentProps> = ({
       <TreeItemLayout
         className={mergeClasses(
           treeStyles.treeItemLayout,
-          expandIcon ? undefined : treeStyles.treeItemLayoutNoIcon,
           shouldShowAsSelected && treeStyles.selectedItem,
           node.className && treeStyles[node.className],
         )}
@@ -200,6 +200,7 @@ export const TreeNodeComponent: React.FC<TreeNodeComponentProps> = ({
             ),
           }
         }
+        iconBefore={treeIcon}
         expandIcon={expandIcon}
       >
         <span className={treeStyles.nodeLabel}>{node.label}</span>

src/Explorer/Controls/TreeComponent/__snapshots__/TreeNodeComponent.test.tsx.snap

@@ -10,16 +10,23 @@ exports[`TreeNodeComponent does not render children if the node is loading 1`] =
 >
   <TreeItemLayout
     actions={false}
-    className="___1kqyw53_iy2icj0 fkhj508 fbv8p0b f1f09k3d fg706s2 frpde29 f1k1erfc f1n8cmsf f1ktbui8 f1do9gdl"
+    className="___z7owk70_14ep1pe fkhj508 fbv8p0b f1f09k3d fg706s2 frpde29 f1n8cmsf f1ktbui8 f1do9gdl"
     data-test="TreeNode:root"
     expandIcon={
       <ChevronRight20Regular
         data-text="TreeNode/ExpandIcon"
       />
     }
+    iconBefore={
+      <img
+        alt=""
+        className="___i3nbrx0_0000000 f1do9gdl fbv8p0b"
+        src="rootIcon"
+      />
+    }
   >
     <span
-      className=""
+      className="___1h29e9h_0000000 fz5stix"
     >
       rootLabel
     </span>
@@ -156,7 +163,7 @@ exports[`TreeNodeComponent fully renders a tree 1`] = `
             "itemType": "branch",
             "layoutRef": {
               "current": <div
-                class="fui-TreeItemLayout r1bx0xiv ___dxcrnh0_1vtp8mg fk6fouc fkhj508 figsok6 f1i3iumi f1k1erfc fbv8p0b f1f09k3d fg706s2 frpde29 f1n8cmsf f1ktbui8 f1do9gdl"
+                class="fui-TreeItemLayout r1bx0xiv ___9uolwu0_9b0r4g0 fk6fouc fkhj508 figsok6 f1i3iumi fo100m9 fbv8p0b f1f09k3d fg706s2 frpde29 f1n8cmsf f1ktbui8 f1do9gdl"
                 data-test="TreeNode:root"
               >
                 <div
@@ -179,11 +186,21 @@ exports[`TreeNodeComponent fully renders a tree 1`] = `
                     />
                   </svg>
                 </div>
+                <div
+                  aria-hidden="true"
+                  class="fui-TreeItemLayout__iconBefore rphzgg1 ___1lqnc2u_1hdcey2 f7x41pl"
+                >
+                  <img
+                    alt=""
+                    class="___i3nbrx0_0000000 f1do9gdl fbv8p0b"
+                    src="rootIcon"
+                  />
+                </div>
                 <div
                   class="fui-TreeItemLayout__main rklbe47"
                 >
                   <span
-                    class=""
+                    class="___1h29e9h_0000000 fz5stix"
                   >
                     rootLabel
                   </span>
@@ -208,7 +225,7 @@ exports[`TreeNodeComponent fully renders a tree 1`] = `
                 tabindex="-1"
               >
                 <div
-                  class="fui-TreeItemLayout r1bx0xiv ___dxcrnh0_1vtp8mg fk6fouc fkhj508 figsok6 f1i3iumi f1k1erfc fbv8p0b f1f09k3d fg706s2 frpde29 f1n8cmsf f1ktbui8 f1do9gdl"
+                  class="fui-TreeItemLayout r1bx0xiv ___9uolwu0_9b0r4g0 fk6fouc fkhj508 figsok6 f1i3iumi fo100m9 fbv8p0b f1f09k3d fg706s2 frpde29 f1n8cmsf f1ktbui8 f1do9gdl"
                   data-test="TreeNode:root"
                 >
                   <div
@@ -231,18 +248,28 @@ exports[`TreeNodeComponent fully renders a tree 1`] = `
                       />
                     </svg>
                   </div>
+                  <div
+                    aria-hidden="true"
+                    class="fui-TreeItemLayout__iconBefore rphzgg1 ___1lqnc2u_1hdcey2 f7x41pl"
+                  >
+                    <img
+                      alt=""
+                      class="___i3nbrx0_0000000 f1do9gdl fbv8p0b"
+                      src="rootIcon"
+                    />
+                  </div>
                   <div
                     class="fui-TreeItemLayout__main rklbe47"
                   >
                     <span
-                      class=""
+                      class="___1h29e9h_0000000 fz5stix"
                     >
                       rootLabel
                     </span>
                   </div>
                 </div>
                 <div
-                  class="fui-Tree rnv2ez3 ___jy13a00_lpffjy0 f1acs6jw f11qra4b fepn2xe f1nbblvp fhxm7u5 fzz4f4n"
+                  class="fui-Tree rnv2ez3 ___17a32do_7zrvj80 f1acs6jw f11qra4b fepn2xe f1nbblvp f19d5ny4 fzz4f4n"
                   data-test="Tree:root"
                   role="tree"
                 >
@@ -256,7 +283,7 @@ exports[`TreeNodeComponent fully renders a tree 1`] = `
                     tabindex="0"
                   >
                     <div
-                      class="fui-TreeItemLayout r1bx0xiv ___dxcrnh0_1vtp8mg fk6fouc fkhj508 figsok6 f1i3iumi f1k1erfc fbv8p0b f1f09k3d fg706s2 frpde29 f1n8cmsf f1ktbui8 f1do9gdl"
+                      class="fui-TreeItemLayout r1bx0xiv ___9uolwu0_9b0r4g0 fk6fouc fkhj508 figsok6 f1i3iumi fo100m9 fbv8p0b f1f09k3d fg706s2 frpde29 f1n8cmsf f1ktbui8 f1do9gdl"
                       data-test="TreeNode:root/child1Label"
                     >
                       <div
@@ -279,11 +306,21 @@ exports[`TreeNodeComponent fully renders a tree 1`] = `
                           />
                         </svg>
                       </div>
+                      <div
+                        aria-hidden="true"
+                        class="fui-TreeItemLayout__iconBefore rphzgg1 ___1lqnc2u_1hdcey2 f7x41pl"
+                      >
+                        <img
+                          alt=""
+                          class="___i3nbrx0_0000000 f1do9gdl fbv8p0b"
+                          src="child1Icon"
+                        />
+                      </div>
                       <div
                         class="fui-TreeItemLayout__main rklbe47"
                       >
                         <span
-                          class=""
+                          class="___1h29e9h_0000000 fz5stix"
                         >
                           child1Label
                         </span>
@@ -300,7 +337,7 @@ exports[`TreeNodeComponent fully renders a tree 1`] = `
                     tabindex="-1"
                   >
                     <div
-                      class="fui-TreeItemLayout r1bx0xiv ___dxcrnh0_1vtp8mg fk6fouc fkhj508 figsok6 f1i3iumi f1k1erfc fbv8p0b f1f09k3d fg706s2 frpde29 f1n8cmsf f1ktbui8 f1do9gdl"
+                      class="fui-TreeItemLayout r1bx0xiv ___9uolwu0_9b0r4g0 fk6fouc fkhj508 figsok6 f1i3iumi fo100m9 fbv8p0b f1f09k3d fg706s2 frpde29 f1n8cmsf f1ktbui8 f1do9gdl"
                       data-test="TreeNode:root/child2LoadingLabel"
                     >
                       <div
@@ -323,11 +360,21 @@ exports[`TreeNodeComponent fully renders a tree 1`] = `
                           />
                         </svg>
                       </div>
+                      <div
+                        aria-hidden="true"
+                        class="fui-TreeItemLayout__iconBefore rphzgg1 ___1lqnc2u_1hdcey2 f7x41pl"
+                      >
+                        <img
+                          alt=""
+                          class="___i3nbrx0_0000000 f1do9gdl fbv8p0b"
+                          src="child2LoadingIcon"
+                        />
+                      </div>
                       <div
                         class="fui-TreeItemLayout__main rklbe47"
                       >
                         <span
-                          class=""
+                          class="___1h29e9h_0000000 fz5stix"
                         >
                           child2LoadingLabel
                         </span>
@@ -343,7 +390,7 @@ exports[`TreeNodeComponent fully renders a tree 1`] = `
                     tabindex="-1"
                   >
                     <div
-                      class="fui-TreeItemLayout r1bx0xiv ___dxcrnh0_1vrg09j fk6fouc fkhj508 figsok6 f1i3iumi f1k1erfc fbv8p0b f1f09k3d fg706s2 frpde29 f1n8cmsf f1ktbui8 f1do9gdl"
+                      class="fui-TreeItemLayout r1bx0xiv ___dxcrnh0_vz3p260 fk6fouc fkhj508 figsok6 f1i3iumi f1k1erfc fbv8p0b f1f09k3d fg706s2 frpde29 f1n8cmsf f1ktbui8 f1do9gdl"
                       data-test="TreeNode:root/child3ExpandingLabel"
                     >
                       <div
@@ -363,11 +410,21 @@ exports[`TreeNodeComponent fully renders a tree 1`] = `
                           </span>
                         </div>
                       </div>
+                      <div
+                        aria-hidden="true"
+                        class="fui-TreeItemLayout__iconBefore rphzgg1 ___1lqnc2u_1hdcey2 f7x41pl"
+                      >
+                        <img
+                          alt=""
+                          class="___i3nbrx0_0000000 f1do9gdl fbv8p0b"
+                          src="child3ExpandingIcon"
+                        />
+                      </div>
                       <div
                         class="fui-TreeItemLayout__main rklbe47"
                       >
                         <span
-                          class=""
+                          class="___1h29e9h_0000000 fz5stix"
                         >
                           child3ExpandingLabel
                         </span>
@@ -383,16 +440,23 @@ exports[`TreeNodeComponent fully renders a tree 1`] = `
       >
         <TreeItemLayout
           actions={false}
-          className="___1kqyw53_iy2icj0 fkhj508 fbv8p0b f1f09k3d fg706s2 frpde29 f1k1erfc f1n8cmsf f1ktbui8 f1do9gdl"
+          className="___z7owk70_14ep1pe fkhj508 fbv8p0b f1f09k3d fg706s2 frpde29 f1n8cmsf f1ktbui8 f1do9gdl"
           data-test="TreeNode:root"
           expandIcon={
             <ChevronRight20Regular
               data-text="TreeNode/ExpandIcon"
             />
           }
+          iconBefore={
+            <img
+              alt=""
+              className="___i3nbrx0_0000000 f1do9gdl fbv8p0b"
+              src="rootIcon"
+            />
+          }
         >
           <div
-            className="fui-TreeItemLayout r1bx0xiv ___dxcrnh0_1vtp8mg fk6fouc fkhj508 figsok6 f1i3iumi f1k1erfc fbv8p0b f1f09k3d fg706s2 frpde29 f1n8cmsf f1ktbui8 f1do9gdl"
+            className="fui-TreeItemLayout r1bx0xiv ___9uolwu0_9b0r4g0 fk6fouc fkhj508 figsok6 f1i3iumi fo100m9 fbv8p0b f1f09k3d fg706s2 frpde29 f1n8cmsf f1ktbui8 f1do9gdl"
             data-test="TreeNode:root"
           >
             <div
@@ -419,11 +483,21 @@ exports[`TreeNodeComponent fully renders a tree 1`] = `
                 </svg>
               </ChevronRight20Regular>
             </div>
+            <div
+              aria-hidden={true}
+              className="fui-TreeItemLayout__iconBefore rphzgg1 ___1lqnc2u_1hdcey2 f7x41pl"
+            >
+              <img
+                alt=""
+                className="___i3nbrx0_0000000 f1do9gdl fbv8p0b"
+                src="rootIcon"
+              />
+            </div>
             <div
               className="fui-TreeItemLayout__main rklbe47"
             >
               <span
-                className=""
+                className="___1h29e9h_0000000 fz5stix"
               >
                 rootLabel
               </span>
@@ -431,7 +505,7 @@ exports[`TreeNodeComponent fully renders a tree 1`] = `
           </div>
         </TreeItemLayout>
         <Tree
-          className="___jy13a00_0000000 f1acs6jw f11qra4b fepn2xe f1nbblvp fhxm7u5 fzz4f4n"
+          className="___17a32do_0000000 f1acs6jw f11qra4b fepn2xe f1nbblvp f19d5ny4 fzz4f4n"
           data-test="Tree:root"
         >
           <TreeProvider
@@ -499,7 +573,7 @@ exports[`TreeNodeComponent fully renders a tree 1`] = `
               }
             >
               <div
-                className="fui-Tree rnv2ez3 ___jy13a00_lpffjy0 f1acs6jw f11qra4b fepn2xe f1nbblvp fhxm7u5 fzz4f4n"
+                className="fui-Tree rnv2ez3 ___17a32do_7zrvj80 f1acs6jw f11qra4b fepn2xe f1nbblvp f19d5ny4 fzz4f4n"
                 data-test="Tree:root"
                 role="tree"
               >
@@ -587,7 +661,7 @@ exports[`TreeNodeComponent fully renders a tree 1`] = `
                             "itemType": "branch",
                             "layoutRef": {
                               "current": <div
-                                class="fui-TreeItemLayout r1bx0xiv ___dxcrnh0_1vtp8mg fk6fouc fkhj508 figsok6 f1i3iumi f1k1erfc fbv8p0b f1f09k3d fg706s2 frpde29 f1n8cmsf f1ktbui8 f1do9gdl"
+                                class="fui-TreeItemLayout r1bx0xiv ___9uolwu0_9b0r4g0 fk6fouc fkhj508 figsok6 f1i3iumi fo100m9 fbv8p0b f1f09k3d fg706s2 frpde29 f1n8cmsf f1ktbui8 f1do9gdl"
                                 data-test="TreeNode:root/child1Label"
                               >
                                 <div
@@ -610,11 +684,21 @@ exports[`TreeNodeComponent fully renders a tree 1`] = `
                                     />
                                   </svg>
                                 </div>
+                                <div
+                                  aria-hidden="true"
+                                  class="fui-TreeItemLayout__iconBefore rphzgg1 ___1lqnc2u_1hdcey2 f7x41pl"
+                                >
+                                  <img
+                                    alt=""
+                                    class="___i3nbrx0_0000000 f1do9gdl fbv8p0b"
+                                    src="child1Icon"
+                                  />
+                                </div>
                                 <div
                                   class="fui-TreeItemLayout__main rklbe47"
                                 >
                                   <span
-                                    class=""
+                                    class="___1h29e9h_0000000 fz5stix"
                                   >
                                     child1Label
                                   </span>
@@ -639,7 +723,7 @@ exports[`TreeNodeComponent fully renders a tree 1`] = `
                                 tabindex="0"
                               >
                                 <div
-                                  class="fui-TreeItemLayout r1bx0xiv ___dxcrnh0_1vtp8mg fk6fouc fkhj508 figsok6 f1i3iumi f1k1erfc fbv8p0b f1f09k3d fg706s2 frpde29 f1n8cmsf f1ktbui8 f1do9gdl"
+                                  class="fui-TreeItemLayout r1bx0xiv ___9uolwu0_9b0r4g0 fk6fouc fkhj508 figsok6 f1i3iumi fo100m9 fbv8p0b f1f09k3d fg706s2 frpde29 f1n8cmsf f1ktbui8 f1do9gdl"
                                   data-test="TreeNode:root/child1Label"
                                 >
                                   <div
@@ -662,11 +746,21 @@ exports[`TreeNodeComponent fully renders a tree 1`] = `
                                       />
                                     </svg>
                                   </div>
+                                  <div
+                                    aria-hidden="true"
+                                    class="fui-TreeItemLayout__iconBefore rphzgg1 ___1lqnc2u_1hdcey2 f7x41pl"
+                                  >
+                                    <img
+                                      alt=""
+                                      class="___i3nbrx0_0000000 f1do9gdl fbv8p0b"
+                                      src="child1Icon"
+                                    />
+                                  </div>
                                   <div
                                     class="fui-TreeItemLayout__main rklbe47"
                                   >
                                     <span
-                                      class=""
+                                      class="___1h29e9h_0000000 fz5stix"
                                     >
                                       child1Label
                                     </span>
@@ -680,16 +774,23 @@ exports[`TreeNodeComponent fully renders a tree 1`] = `
                       >
                         <TreeItemLayout
                           actions={false}
-                          className="___1kqyw53_iy2icj0 fkhj508 fbv8p0b f1f09k3d fg706s2 frpde29 f1k1erfc f1n8cmsf f1ktbui8 f1do9gdl"
+                          className="___z7owk70_14ep1pe fkhj508 fbv8p0b f1f09k3d fg706s2 frpde29 f1n8cmsf f1ktbui8 f1do9gdl"
                           data-test="TreeNode:root/child1Label"
                           expandIcon={
                             <ChevronRight20Regular
                               data-text="TreeNode/ExpandIcon"
                             />
                           }
+                          iconBefore={
+                            <img
+                              alt=""
+                              className="___i3nbrx0_0000000 f1do9gdl fbv8p0b"
+                              src="child1Icon"
+                            />
+                          }
                         >
                           <div
-                            className="fui-TreeItemLayout r1bx0xiv ___dxcrnh0_1vtp8mg fk6fouc fkhj508 figsok6 f1i3iumi f1k1erfc fbv8p0b f1f09k3d fg706s2 frpde29 f1n8cmsf f1ktbui8 f1do9gdl"
+                            className="fui-TreeItemLayout r1bx0xiv ___9uolwu0_9b0r4g0 fk6fouc fkhj508 figsok6 f1i3iumi fo100m9 fbv8p0b f1f09k3d fg706s2 frpde29 f1n8cmsf f1ktbui8 f1do9gdl"
                             data-test="TreeNode:root/child1Label"
                           >
                             <div
@@ -716,11 +817,21 @@ exports[`TreeNodeComponent fully renders a tree 1`] = `
                                 </svg>
                               </ChevronRight20Regular>
                             </div>
+                            <div
+                              aria-hidden={true}
+                              className="fui-TreeItemLayout__iconBefore rphzgg1 ___1lqnc2u_1hdcey2 f7x41pl"
+                            >
+                              <img
+                                alt=""
+                                className="___i3nbrx0_0000000 f1do9gdl fbv8p0b"
+                                src="child1Icon"
+                              />
+                            </div>
                             <div
                               className="fui-TreeItemLayout__main rklbe47"
                             >
                               <span
-                                className=""
+                                className="___1h29e9h_0000000 fz5stix"
                               >
                                 child1Label
                               </span>
@@ -728,7 +839,7 @@ exports[`TreeNodeComponent fully renders a tree 1`] = `
                           </div>
                         </TreeItemLayout>
                         <Tree
-                          className="___jy13a00_0000000 f1acs6jw f11qra4b fepn2xe f1nbblvp fhxm7u5 fzz4f4n"
+                          className="___17a32do_0000000 f1acs6jw f11qra4b fepn2xe f1nbblvp f19d5ny4 fzz4f4n"
                           data-test="Tree:root/child1Label"
                         >
                           <TreeProvider
@@ -821,7 +932,7 @@ exports[`TreeNodeComponent fully renders a tree 1`] = `
                             "itemType": "branch",
                             "layoutRef": {
                               "current": <div
-                                class="fui-TreeItemLayout r1bx0xiv ___dxcrnh0_1vtp8mg fk6fouc fkhj508 figsok6 f1i3iumi f1k1erfc fbv8p0b f1f09k3d fg706s2 frpde29 f1n8cmsf f1ktbui8 f1do9gdl"
+                                class="fui-TreeItemLayout r1bx0xiv ___9uolwu0_9b0r4g0 fk6fouc fkhj508 figsok6 f1i3iumi fo100m9 fbv8p0b f1f09k3d fg706s2 frpde29 f1n8cmsf f1ktbui8 f1do9gdl"
                                 data-test="TreeNode:root/child2LoadingLabel"
                               >
                                 <div
@@ -844,11 +955,21 @@ exports[`TreeNodeComponent fully renders a tree 1`] = `
                                     />
                                   </svg>
                                 </div>
+                                <div
+                                  aria-hidden="true"
+                                  class="fui-TreeItemLayout__iconBefore rphzgg1 ___1lqnc2u_1hdcey2 f7x41pl"
+                                >
+                                  <img
+                                    alt=""
+                                    class="___i3nbrx0_0000000 f1do9gdl fbv8p0b"
+                                    src="child2LoadingIcon"
+                                  />
+                                </div>
                                 <div
                                   class="fui-TreeItemLayout__main rklbe47"
                                 >
                                   <span
-                                    class=""
+                                    class="___1h29e9h_0000000 fz5stix"
                                   >
                                     child2LoadingLabel
                                   </span>
@@ -873,7 +994,7 @@ exports[`TreeNodeComponent fully renders a tree 1`] = `
                                 tabindex="-1"
                               >
                                 <div
-                                  class="fui-TreeItemLayout r1bx0xiv ___dxcrnh0_1vtp8mg fk6fouc fkhj508 figsok6 f1i3iumi f1k1erfc fbv8p0b f1f09k3d fg706s2 frpde29 f1n8cmsf f1ktbui8 f1do9gdl"
+                                  class="fui-TreeItemLayout r1bx0xiv ___9uolwu0_9b0r4g0 fk6fouc fkhj508 figsok6 f1i3iumi fo100m9 fbv8p0b f1f09k3d fg706s2 frpde29 f1n8cmsf f1ktbui8 f1do9gdl"
                                   data-test="TreeNode:root/child2LoadingLabel"
                                 >
                                   <div
@@ -896,11 +1017,21 @@ exports[`TreeNodeComponent fully renders a tree 1`] = `
                                       />
                                     </svg>
                                   </div>
+                                  <div
+                                    aria-hidden="true"
+                                    class="fui-TreeItemLayout__iconBefore rphzgg1 ___1lqnc2u_1hdcey2 f7x41pl"
+                                  >
+                                    <img
+                                      alt=""
+                                      class="___i3nbrx0_0000000 f1do9gdl fbv8p0b"
+                                      src="child2LoadingIcon"
+                                    />
+                                  </div>
                                   <div
                                     class="fui-TreeItemLayout__main rklbe47"
                                   >
                                     <span
-                                      class=""
+                                      class="___1h29e9h_0000000 fz5stix"
                                     >
                                       child2LoadingLabel
                                     </span>
@@ -914,16 +1045,23 @@ exports[`TreeNodeComponent fully renders a tree 1`] = `
                       >
                         <TreeItemLayout
                           actions={false}
-                          className="___1kqyw53_iy2icj0 fkhj508 fbv8p0b f1f09k3d fg706s2 frpde29 f1k1erfc f1n8cmsf f1ktbui8 f1do9gdl"
+                          className="___z7owk70_14ep1pe fkhj508 fbv8p0b f1f09k3d fg706s2 frpde29 f1n8cmsf f1ktbui8 f1do9gdl"
                           data-test="TreeNode:root/child2LoadingLabel"
                           expandIcon={
                             <ChevronRight20Regular
                               data-text="TreeNode/ExpandIcon"
                             />
                           }
+                          iconBefore={
+                            <img
+                              alt=""
+                              className="___i3nbrx0_0000000 f1do9gdl fbv8p0b"
+                              src="child2LoadingIcon"
+                            />
+                          }
                         >
                           <div
-                            className="fui-TreeItemLayout r1bx0xiv ___dxcrnh0_1vtp8mg fk6fouc fkhj508 figsok6 f1i3iumi f1k1erfc fbv8p0b f1f09k3d fg706s2 frpde29 f1n8cmsf f1ktbui8 f1do9gdl"
+                            className="fui-TreeItemLayout r1bx0xiv ___9uolwu0_9b0r4g0 fk6fouc fkhj508 figsok6 f1i3iumi fo100m9 fbv8p0b f1f09k3d fg706s2 frpde29 f1n8cmsf f1ktbui8 f1do9gdl"
                             data-test="TreeNode:root/child2LoadingLabel"
                           >
                             <div
@@ -950,11 +1088,21 @@ exports[`TreeNodeComponent fully renders a tree 1`] = `
                                 </svg>
                               </ChevronRight20Regular>
                             </div>
+                            <div
+                              aria-hidden={true}
+                              className="fui-TreeItemLayout__iconBefore rphzgg1 ___1lqnc2u_1hdcey2 f7x41pl"
+                            >
+                              <img
+                                alt=""
+                                className="___i3nbrx0_0000000 f1do9gdl fbv8p0b"
+                                src="child2LoadingIcon"
+                              />
+                            </div>
                             <div
                               className="fui-TreeItemLayout__main rklbe47"
                             >
                               <span
-                                className=""
+                                className="___1h29e9h_0000000 fz5stix"
                               >
                                 child2LoadingLabel
                               </span>
@@ -1039,7 +1187,7 @@ exports[`TreeNodeComponent fully renders a tree 1`] = `
                             "itemType": "leaf",
                             "layoutRef": {
                               "current": <div
-                                class="fui-TreeItemLayout r1bx0xiv ___dxcrnh0_1vrg09j fk6fouc fkhj508 figsok6 f1i3iumi f1k1erfc fbv8p0b f1f09k3d fg706s2 frpde29 f1n8cmsf f1ktbui8 f1do9gdl"
+                                class="fui-TreeItemLayout r1bx0xiv ___dxcrnh0_vz3p260 fk6fouc fkhj508 figsok6 f1i3iumi f1k1erfc fbv8p0b f1f09k3d fg706s2 frpde29 f1n8cmsf f1ktbui8 f1do9gdl"
                                 data-test="TreeNode:root/child3ExpandingLabel"
                               >
                                 <div
@@ -1059,11 +1207,21 @@ exports[`TreeNodeComponent fully renders a tree 1`] = `
                                     </span>
                                   </div>
                                 </div>
+                                <div
+                                  aria-hidden="true"
+                                  class="fui-TreeItemLayout__iconBefore rphzgg1 ___1lqnc2u_1hdcey2 f7x41pl"
+                                >
+                                  <img
+                                    alt=""
+                                    class="___i3nbrx0_0000000 f1do9gdl fbv8p0b"
+                                    src="child3ExpandingIcon"
+                                  />
+                                </div>
                                 <div
                                   class="fui-TreeItemLayout__main rklbe47"
                                 >
                                   <span
-                                    class=""
+                                    class="___1h29e9h_0000000 fz5stix"
                                   >
                                     child3ExpandingLabel
                                   </span>
@@ -1087,7 +1245,7 @@ exports[`TreeNodeComponent fully renders a tree 1`] = `
                                 tabindex="-1"
                               >
                                 <div
-                                  class="fui-TreeItemLayout r1bx0xiv ___dxcrnh0_1vrg09j fk6fouc fkhj508 figsok6 f1i3iumi f1k1erfc fbv8p0b f1f09k3d fg706s2 frpde29 f1n8cmsf f1ktbui8 f1do9gdl"
+                                  class="fui-TreeItemLayout r1bx0xiv ___dxcrnh0_vz3p260 fk6fouc fkhj508 figsok6 f1i3iumi f1k1erfc fbv8p0b f1f09k3d fg706s2 frpde29 f1n8cmsf f1ktbui8 f1do9gdl"
                                   data-test="TreeNode:root/child3ExpandingLabel"
                                 >
                                   <div
@@ -1107,11 +1265,21 @@ exports[`TreeNodeComponent fully renders a tree 1`] = `
                                       </span>
                                     </div>
                                   </div>
+                                  <div
+                                    aria-hidden="true"
+                                    class="fui-TreeItemLayout__iconBefore rphzgg1 ___1lqnc2u_1hdcey2 f7x41pl"
+                                  >
+                                    <img
+                                      alt=""
+                                      class="___i3nbrx0_0000000 f1do9gdl fbv8p0b"
+                                      src="child3ExpandingIcon"
+                                    />
+                                  </div>
                                   <div
                                     class="fui-TreeItemLayout__main rklbe47"
                                   >
                                     <span
-                                      class=""
+                                      class="___1h29e9h_0000000 fz5stix"
                                     >
                                       child3ExpandingLabel
                                     </span>
@@ -1125,9 +1293,9 @@ exports[`TreeNodeComponent fully renders a tree 1`] = `
                       >
                         <TreeItemLayout
                           actions={false}
-                          className="___1kqyw53_iy2icj0 fkhj508 fbv8p0b f1f09k3d fg706s2 frpde29 f1k1erfc f1n8cmsf f1ktbui8 f1do9gdl"
+                          className="___z7owk70_14ep1pe fkhj508 fbv8p0b f1f09k3d fg706s2 frpde29 f1n8cmsf f1ktbui8 f1do9gdl"
                           data-test="TreeNode:root/child3ExpandingLabel"
-                          expandIcon={
+                          iconBefore={
                             <img
                               alt=""
                               className="___i3nbrx0_0000000 f1do9gdl fbv8p0b"
@@ -1136,12 +1304,12 @@ exports[`TreeNodeComponent fully renders a tree 1`] = `
                           }
                         >
                           <div
-                            className="fui-TreeItemLayout r1bx0xiv ___dxcrnh0_1vrg09j fk6fouc fkhj508 figsok6 f1i3iumi f1k1erfc fbv8p0b f1f09k3d fg706s2 frpde29 f1n8cmsf f1ktbui8 f1do9gdl"
+                            className="fui-TreeItemLayout r1bx0xiv ___dxcrnh0_vz3p260 fk6fouc fkhj508 figsok6 f1i3iumi f1k1erfc fbv8p0b f1f09k3d fg706s2 frpde29 f1n8cmsf f1ktbui8 f1do9gdl"
                             data-test="TreeNode:root/child3ExpandingLabel"
                           >
                             <div
                               aria-hidden={true}
-                              className="fui-TreeItemLayout__expandIcon rh4pu5o"
+                              className="fui-TreeItemLayout__iconBefore rphzgg1 ___1lqnc2u_1hdcey2 f7x41pl"
                             >
                               <img
                                 alt=""
@@ -1153,7 +1321,7 @@ exports[`TreeNodeComponent fully renders a tree 1`] = `
                               className="fui-TreeItemLayout__main rklbe47"
                             >
                               <span
-                                className=""
+                                className="___1h29e9h_0000000 fz5stix"
                               >
                                 child3ExpandingLabel
                               </span>
@@ -1184,9 +1352,9 @@ exports[`TreeNodeComponent renders a loading spinner if the node is loading: loa
 >
   <TreeItemLayout
     actions={false}
-    className="___1kqyw53_iy2icj0 fkhj508 fbv8p0b f1f09k3d fg706s2 frpde29 f1k1erfc f1n8cmsf f1ktbui8 f1do9gdl"
+    className="___z7owk70_14ep1pe fkhj508 fbv8p0b f1f09k3d fg706s2 frpde29 f1n8cmsf f1ktbui8 f1do9gdl"
     data-test="TreeNode:root"
-    expandIcon={
+    iconBefore={
       <img
         alt=""
         className="___i3nbrx0_0000000 f1do9gdl fbv8p0b"
@@ -1195,7 +1363,7 @@ exports[`TreeNodeComponent renders a loading spinner if the node is loading: loa
     }
   >
     <span
-      className=""
+      className="___1h29e9h_0000000 fz5stix"
     >
       rootLabel
     </span>
@@ -1213,16 +1381,23 @@ exports[`TreeNodeComponent renders a loading spinner if the node is loading: loa
 >
   <TreeItemLayout
     actions={false}
-    className="___1kqyw53_iy2icj0 fkhj508 fbv8p0b f1f09k3d fg706s2 frpde29 f1k1erfc f1n8cmsf f1ktbui8 f1do9gdl"
+    className="___z7owk70_14ep1pe fkhj508 fbv8p0b f1f09k3d fg706s2 frpde29 f1n8cmsf f1ktbui8 f1do9gdl"
     data-test="TreeNode:root"
     expandIcon={
       <Spinner
         size="extra-tiny"
       />
     }
+    iconBefore={
+      <img
+        alt=""
+        className="___i3nbrx0_0000000 f1do9gdl fbv8p0b"
+        src="rootIcon"
+      />
+    }
   >
     <span
-      className=""
+      className="___1h29e9h_0000000 fz5stix"
     >
       rootLabel
     </span>
@@ -1240,16 +1415,23 @@ exports[`TreeNodeComponent renders a node as expandable if it has empty, but def
 >
   <TreeItemLayout
     actions={false}
-    className="___1kqyw53_iy2icj0 fkhj508 fbv8p0b f1f09k3d fg706s2 frpde29 f1k1erfc f1n8cmsf f1ktbui8 f1do9gdl"
+    className="___z7owk70_14ep1pe fkhj508 fbv8p0b f1f09k3d fg706s2 frpde29 f1n8cmsf f1ktbui8 f1do9gdl"
     data-test="TreeNode:root"
     expandIcon={
       <ChevronRight20Regular
         data-text="TreeNode/ExpandIcon"
       />
     }
+    iconBefore={
+      <img
+        alt=""
+        className="___i3nbrx0_0000000 f1do9gdl fbv8p0b"
+        src="rootIcon"
+      />
+    }
   >
     <span
-      className=""
+      className="___1h29e9h_0000000 fz5stix"
     >
       rootLabel
     </span>
@@ -1313,9 +1495,9 @@ exports[`TreeNodeComponent renders a node with a menu 1`] = `
             "className": "___1r8p62d_0000000 f1xg1ack f1e31b4d",
           }
         }
-        className="___1kqyw53_iy2icj0 fkhj508 fbv8p0b f1f09k3d fg706s2 frpde29 f1k1erfc f1n8cmsf f1ktbui8 f1do9gdl"
+        className="___z7owk70_14ep1pe fkhj508 fbv8p0b f1f09k3d fg706s2 frpde29 f1n8cmsf f1ktbui8 f1do9gdl"
         data-test="TreeNode:root"
-        expandIcon={
+        iconBefore={
           <img
             alt=""
             className="___i3nbrx0_0000000 f1do9gdl fbv8p0b"
@@ -1324,7 +1506,7 @@ exports[`TreeNodeComponent renders a node with a menu 1`] = `
         }
       >
         <span
-          className=""
+          className="___1h29e9h_0000000 fz5stix"
         >
           rootLabel
         </span>
@@ -1363,9 +1545,9 @@ exports[`TreeNodeComponent renders a single node 1`] = `
 >
   <TreeItemLayout
     actions={false}
-    className="___1kqyw53_iy2icj0 fkhj508 fbv8p0b f1f09k3d fg706s2 frpde29 f1k1erfc f1n8cmsf f1ktbui8 f1do9gdl"
+    className="___z7owk70_14ep1pe fkhj508 fbv8p0b f1f09k3d fg706s2 frpde29 f1n8cmsf f1ktbui8 f1do9gdl"
     data-test="TreeNode:root"
-    expandIcon={
+    iconBefore={
       <img
         alt=""
         className="___i3nbrx0_0000000 f1do9gdl fbv8p0b"
@@ -1374,7 +1556,7 @@ exports[`TreeNodeComponent renders a single node 1`] = `
     }
   >
     <span
-      className=""
+      className="___1h29e9h_0000000 fz5stix"
     >
       rootLabel
     </span>
@@ -1392,9 +1574,9 @@ exports[`TreeNodeComponent renders an icon if the node has one 1`] = `
 >
   <TreeItemLayout
     actions={false}
-    className="___1kqyw53_iy2icj0 fkhj508 fbv8p0b f1f09k3d fg706s2 frpde29 f1k1erfc f1n8cmsf f1ktbui8 f1do9gdl"
+    className="___z7owk70_14ep1pe fkhj508 fbv8p0b f1f09k3d fg706s2 frpde29 f1n8cmsf f1ktbui8 f1do9gdl"
     data-test="TreeNode:root"
-    expandIcon={
+    iconBefore={
       <img
         alt=""
         className="___i3nbrx0_0000000 f1do9gdl fbv8p0b"
@@ -1403,7 +1585,7 @@ exports[`TreeNodeComponent renders an icon if the node has one 1`] = `
     }
   >
     <span
-      className=""
+      className="___1h29e9h_0000000 fz5stix"
     >
       rootLabel
     </span>
@@ -1421,22 +1603,29 @@ exports[`TreeNodeComponent renders selected parent node as selected if no descen
 >
   <TreeItemLayout
     actions={false}
-    className="___kqkdor0_ihxn0o0 fkhj508 fbv8p0b f1f09k3d fg706s2 frpde29 f1k1erfc f1n8cmsf f1ktbui8 f1nfm20t f1do9gdl"
+    className="___rq9vxg0_1ykn2d2 fkhj508 fbv8p0b f1f09k3d fg706s2 frpde29 f1n8cmsf f1ktbui8 f1nfm20t f1do9gdl"
     data-test="TreeNode:root"
     expandIcon={
       <ChevronRight20Regular
         data-text="TreeNode/ExpandIcon"
       />
     }
+    iconBefore={
+      <img
+        alt=""
+        className="___i3nbrx0_0000000 f1do9gdl fbv8p0b"
+        src="rootIcon"
+      />
+    }
   >
     <span
-      className=""
+      className="___1h29e9h_0000000 fz5stix"
     >
       rootLabel
     </span>
   </TreeItemLayout>
   <Tree
-    className="___jy13a00_0000000 f1acs6jw f11qra4b fepn2xe f1nbblvp fhxm7u5 fzz4f4n"
+    className="___17a32do_0000000 f1acs6jw f11qra4b fepn2xe f1nbblvp f19d5ny4 fzz4f4n"
     data-test="Tree:root"
   >
     <TreeNodeComponent
@@ -1497,22 +1686,29 @@ exports[`TreeNodeComponent renders selected parent node as unselected if any des
 >
   <TreeItemLayout
     actions={false}
-    className="___1kqyw53_iy2icj0 fkhj508 fbv8p0b f1f09k3d fg706s2 frpde29 f1k1erfc f1n8cmsf f1ktbui8 f1do9gdl"
+    className="___z7owk70_14ep1pe fkhj508 fbv8p0b f1f09k3d fg706s2 frpde29 f1n8cmsf f1ktbui8 f1do9gdl"
     data-test="TreeNode:root"
     expandIcon={
       <ChevronRight20Regular
         data-text="TreeNode/ExpandIcon"
       />
     }
+    iconBefore={
+      <img
+        alt=""
+        className="___i3nbrx0_0000000 f1do9gdl fbv8p0b"
+        src="rootIcon"
+      />
+    }
   >
     <span
-      className=""
+      className="___1h29e9h_0000000 fz5stix"
     >
       rootLabel
     </span>
   </TreeItemLayout>
   <Tree
-    className="___jy13a00_0000000 f1acs6jw f11qra4b fepn2xe f1nbblvp fhxm7u5 fzz4f4n"
+    className="___17a32do_0000000 f1acs6jw f11qra4b fepn2xe f1nbblvp f19d5ny4 fzz4f4n"
     data-test="Tree:root"
   >
     <TreeNodeComponent
@@ -1574,9 +1770,9 @@ exports[`TreeNodeComponent renders single selected leaf node as selected 1`] = `
 >
   <TreeItemLayout
     actions={false}
-    className="___kqkdor0_ihxn0o0 fkhj508 fbv8p0b f1f09k3d fg706s2 frpde29 f1k1erfc f1n8cmsf f1ktbui8 f1nfm20t f1do9gdl"
+    className="___rq9vxg0_1ykn2d2 fkhj508 fbv8p0b f1f09k3d fg706s2 frpde29 f1n8cmsf f1ktbui8 f1nfm20t f1do9gdl"
     data-test="TreeNode:root"
-    expandIcon={
+    iconBefore={
       <img
         alt=""
         className="___i3nbrx0_0000000 f1do9gdl fbv8p0b"
@@ -1585,7 +1781,7 @@ exports[`TreeNodeComponent renders single selected leaf node as selected 1`] = `
     }
   >
     <span
-      className=""
+      className="___1h29e9h_0000000 fz5stix"
     >
       rootLabel
     </span>

src/Explorer/Explorer.tsx

@@ -1,9 +1,11 @@
 import * as msal from "@azure/msal-browser";
 import { Link } from "@fluentui/react/lib/Link";
 import { isPublicInternetAccessAllowed } from "Common/DatabaseAccountUtility";
+import { Environment, getEnvironment } from "Common/EnvironmentUtility";
 import { sendMessage } from "Common/MessageHandler";
 import { Platform, configContext } from "ConfigContext";
 import { MessageTypes } from "Contracts/ExplorerContracts";
+import { useCommandBar } from "Explorer/Menus/CommandBar/useCommandBar";
 import { useDataPlaneRbac } from "Explorer/Panes/SettingsPane/SettingsPane";
 import { getCopilotEnabled, isCopilotFeatureRegistered } from "Explorer/QueryCopilot/Shared/QueryCopilotClient";
 import { IGalleryItem } from "Juno/JunoClient";
@@ -46,7 +48,6 @@ import { useTabs } from "../hooks/useTabs";
 import "./ComponentRegisterer";
 import { DialogProps, useDialog } from "./Controls/Dialog";
 import { GalleryTab as GalleryTabKind } from "./Controls/NotebookGallery/GalleryViewerComponent";
-import { useCommandBar } from "./Menus/CommandBar/CommandBarComponentAdapter";
 import * as FileSystemUtil from "./Notebook/FileSystemUtil";
 import { SnapshotRequest } from "./Notebook/NotebookComponent/types";
 import { NotebookContentItem, NotebookContentItemType } from "./Notebook/NotebookContentItem";
@@ -1119,7 +1120,7 @@ export default class Explorer {
     }
   }
 
-  public openUploadItemsPanePane(): void {
+  public openUploadItemsPane(): void {
     useSidePanel.getState().openSidePanel("Upload " + getUploadName(), <UploadItemsPane />);
   }
   public openExecuteSprocParamsPanel(storedProcedure: StoredProcedure): void {
@@ -1178,7 +1179,11 @@ export default class Explorer {
   }
 
   public async configureCopilot(): Promise<void> {
-    if (userContext.apiType !== "SQL" || !userContext.subscriptionId) {
+    if (
+      userContext.apiType !== "SQL" ||
+      !userContext.subscriptionId ||
+      ![Environment.Development, Environment.Mpac, Environment.Prod].includes(getEnvironment())
+    ) {
       return;
     }
     const copilotEnabledPromise = getCopilotEnabled();

src/Explorer/Menus/CommandBar/CommandBarComponentAdapter.tsx

@@ -4,83 +4,51 @@
  * and update any knockout observables passed from the parent.
  */
 import { CommandBar as FluentCommandBar, ICommandBarItemProps } from "@fluentui/react";
+import {
+  createPlatformButtons,
+  createStaticCommandBarButtons,
+} from "Explorer/Menus/CommandBar/CommandBarComponentButtonFactory";
+import { useCommandBar } from "Explorer/Menus/CommandBar/useCommandBar";
 import { useNotebook } from "Explorer/Notebook/useNotebook";
 import { KeyboardActionGroup, useKeyboardActionGroup } from "KeyboardShortcuts";
-import { userContext } from "UserContext";
 import * as React from "react";
-import create, { UseStore } from "zustand";
 import { ConnectionStatusType, PoolIdType } from "../../../Common/Constants";
 import { StyleConstants } from "../../../Common/StyleConstants";
 import { Platform, configContext } from "../../../ConfigContext";
-import { CommandButtonComponentProps } from "../../Controls/CommandButton/CommandButtonComponent";
 import Explorer from "../../Explorer";
 import { useSelectedNode } from "../../useSelectedNode";
-import * as CommandBarComponentButtonFactory from "./CommandBarComponentButtonFactory";
 import * as CommandBarUtil from "./CommandBarUtil";
 
 interface Props {
   container: Explorer;
 }
 
-export interface CommandBarStore {
-  contextButtons: CommandButtonComponentProps[];
-  setContextButtons: (contextButtons: CommandButtonComponentProps[]) => void;
-  isHidden: boolean;
-  setIsHidden: (isHidden: boolean) => void;
-}
-
-export const useCommandBar: UseStore<CommandBarStore> = create((set) => ({
-  contextButtons: [],
-  setContextButtons: (contextButtons: CommandButtonComponentProps[]) => set((state) => ({ ...state, contextButtons })),
-  isHidden: false,
-  setIsHidden: (isHidden: boolean) => set((state) => ({ ...state, isHidden })),
-}));
-
 export const CommandBar: React.FC<Props> = ({ container }: Props) => {
   const selectedNodeState = useSelectedNode();
-  const buttons = useCommandBar((state) => state.contextButtons);
+  const contextButtons = useCommandBar((state) => state.contextButtons);
   const isHidden = useCommandBar((state) => state.isHidden);
   const backgroundColor = StyleConstants.BaseLight;
   const setKeyboardHandlers = useKeyboardActionGroup(KeyboardActionGroup.COMMAND_BAR);
+  const staticButtons = createStaticCommandBarButtons(selectedNodeState);
+  const platformButtons = createPlatformButtons();
 
-  if (userContext.apiType === "Postgres" || userContext.apiType === "VCoreMongo") {
-    const buttons =
-      userContext.apiType === "Postgres"
-        ? CommandBarComponentButtonFactory.createPostgreButtons(container)
-        : CommandBarComponentButtonFactory.createVCoreMongoButtons(container);
-    return (
-      <div className="commandBarContainer" style={{ display: isHidden ? "none" : "initial" }}>
-        <FluentCommandBar
-          ariaLabel="Use left and right arrow keys to navigate between commands"
-          items={CommandBarUtil.convertButton(buttons, backgroundColor)}
-          styles={{
-            root: { backgroundColor: backgroundColor },
-          }}
-          overflowButtonProps={{ ariaLabel: "More commands" }}
-        />
-      </div>
-    );
-  }
-
-  const staticButtons = CommandBarComponentButtonFactory.createStaticCommandBarButtons(container, selectedNodeState);
-  const contextButtons = (buttons || []).concat(
-    CommandBarComponentButtonFactory.createContextCommandBarButtons(container, selectedNodeState),
-  );
-  const controlButtons = CommandBarComponentButtonFactory.createControlCommandBarButtons(container);
-
-  const uiFabricStaticButtons = CommandBarUtil.convertButton(staticButtons, backgroundColor);
-  if (buttons && buttons.length > 0) {
+  const uiFabricStaticButtons = CommandBarUtil.convertButton(staticButtons, backgroundColor, container);
+  if (contextButtons?.length > 0) {
     uiFabricStaticButtons.forEach((btn: ICommandBarItemProps) => (btn.iconOnly = true));
   }
 
-  const uiFabricTabsButtons: ICommandBarItemProps[] = CommandBarUtil.convertButton(contextButtons, backgroundColor);
+  const uiFabricTabsButtons: ICommandBarItemProps[] = CommandBarUtil.convertButton(
+    contextButtons || [],
+    backgroundColor,
+    container,
+  );
 
   if (uiFabricTabsButtons.length > 0) {
     uiFabricStaticButtons.push(CommandBarUtil.createDivider("commandBarDivider"));
   }
 
-  const uiFabricControlButtons = CommandBarUtil.convertButton(controlButtons, backgroundColor);
-  uiFabricControlButtons.forEach((btn: ICommandBarItemProps) => (btn.iconOnly = true));
+  const uiFabricPlatformButtons = CommandBarUtil.convertButton(platformButtons || [], backgroundColor, container);
+  uiFabricPlatformButtons.forEach((btn: ICommandBarItemProps) => (btn.iconOnly = true));
 
   const connectionInfo = useNotebook((state) => state.connectionInfo);
 
@@ -88,7 +56,7 @@ export const CommandBar: React.FC<Props> = ({ container }: Props) => {
     (useNotebook.getState().isPhoenixNotebooks || useNotebook.getState().isPhoenixFeatures) &&
     connectionInfo?.status !== ConnectionStatusType.Connect
   ) {
-    uiFabricControlButtons.unshift(
+    uiFabricPlatformButtons.unshift(
       CommandBarUtil.createConnectionStatus(container, PoolIdType.DefaultPoolId, "connectionStatus"),
     );
   }
@@ -107,8 +75,8 @@ export const CommandBar: React.FC<Props> = ({ container }: Props) => {
           },
         };
 
-  const allButtons = staticButtons.concat(contextButtons).concat(controlButtons);
-  const keyboardHandlers = CommandBarUtil.createKeyboardHandlers(allButtons);
+  const allButtons = staticButtons.concat(contextButtons).concat(platformButtons);
+  const keyboardHandlers = CommandBarUtil.createKeyboardHandlers(allButtons, container);
   setKeyboardHandlers(keyboardHandlers);
 
   return (
@@ -116,7 +84,7 @@ export const CommandBar: React.FC<Props> = ({ container }: Props) => {
       <FluentCommandBar
         ariaLabel="Use left and right arrow keys to navigate between commands"
         items={uiFabricStaticButtons.concat(uiFabricTabsButtons)}
-        farItems={uiFabricControlButtons}
+        farItems={uiFabricPlatformButtons}
         styles={rootStyle}
         overflowButtonProps={{ ariaLabel: "More commands" }}
       />

src/Explorer/Menus/CommandBar/CommandBarComponentButtonFactory.test.ts

@@ -3,15 +3,12 @@ import { AuthType } from "../../../AuthType";
 import { DatabaseAccount } from "../../../Contracts/DataModels";
 import { CollectionBase } from "../../../Contracts/ViewModels";
 import { updateUserContext } from "../../../UserContext";
-import Explorer from "../../Explorer";
 import { useNotebook } from "../../Notebook/useNotebook";
 import { useDatabases } from "../../useDatabases";
 import { useSelectedNode } from "../../useSelectedNode";
 import * as CommandBarComponentButtonFactory from "./CommandBarComponentButtonFactory";
 
 describe("CommandBarComponentButtonFactory tests", () => {
-  let mockExplorer: Explorer;
-
   afterEach(() => useSelectedNode.getState().setSelectedNode(undefined));
 
   describe("Enable Azure Synapse Link Button", () => {
@@ -19,7 +16,6 @@ describe("CommandBarComponentButtonFactory tests", () => {
     const selectedNodeState = useSelectedNode.getState();
 
     beforeAll(() => {
-      mockExplorer = {} as Explorer;
       updateUserContext({
         databaseAccount: {
           properties: {
@@ -30,7 +26,7 @@ describe("CommandBarComponentButtonFactory tests", () => {
     });
 
     it("Button should be visible", () => {
-      const buttons = CommandBarComponentButtonFactory.createStaticCommandBarButtons(mockExplorer, selectedNodeState);
+      const buttons = CommandBarComponentButtonFactory.createStaticCommandBarButtons(selectedNodeState);
       const enableAzureSynapseLinkBtn = buttons.find(
         (button) => button.commandButtonLabel === enableAzureSynapseLinkBtnLabel,
       );
@@ -46,7 +42,7 @@ describe("CommandBarComponentButtonFactory tests", () => {
         } as DatabaseAccount,
       });
 
-      const buttons = CommandBarComponentButtonFactory.createStaticCommandBarButtons(mockExplorer, selectedNodeState);
+      const buttons = CommandBarComponentButtonFactory.createStaticCommandBarButtons(selectedNodeState);
       const enableAzureSynapseLinkBtn = buttons.find(
         (button) => button.commandButtonLabel === enableAzureSynapseLinkBtnLabel,
       );
@@ -62,7 +58,7 @@ describe("CommandBarComponentButtonFactory tests", () => {
         } as DatabaseAccount,
       });
 
-      const buttons = CommandBarComponentButtonFactory.createStaticCommandBarButtons(mockExplorer, selectedNodeState);
+      const buttons = CommandBarComponentButtonFactory.createStaticCommandBarButtons(selectedNodeState);
       const enableAzureSynapseLinkBtn = buttons.find(
         (button) => button.commandButtonLabel === enableAzureSynapseLinkBtnLabel,
       );
@@ -75,7 +71,6 @@ describe("CommandBarComponentButtonFactory tests", () => {
     const selectedNodeState = useSelectedNode.getState();
 
     beforeAll(() => {
-      mockExplorer = {} as Explorer;
       updateUserContext({
         databaseAccount: {
           properties: {
@@ -108,7 +103,7 @@ describe("CommandBarComponentButtonFactory tests", () => {
           },
         } as DatabaseAccount,
       });
-      const buttons = CommandBarComponentButtonFactory.createStaticCommandBarButtons(mockExplorer, selectedNodeState);
+      const buttons = CommandBarComponentButtonFactory.createStaticCommandBarButtons(selectedNodeState);
       const openCassandraShellBtn = buttons.find((button) => button.commandButtonLabel === openCassandraShellBtnLabel);
       expect(openCassandraShellBtn).toBeUndefined();
     });
@@ -118,13 +113,13 @@ describe("CommandBarComponentButtonFactory tests", () => {
         portalEnv: "mooncake",
       });
 
-      const buttons = CommandBarComponentButtonFactory.createStaticCommandBarButtons(mockExplorer, selectedNodeState);
+      const buttons = CommandBarComponentButtonFactory.createStaticCommandBarButtons(selectedNodeState);
       const openCassandraShellBtn = buttons.find((button) => button.commandButtonLabel === openCassandraShellBtnLabel);
       expect(openCassandraShellBtn).toBeUndefined();
     });
 
     it("Notebooks is not enabled and is unavailable - button should be shown and disabled", () => {
-      const buttons = CommandBarComponentButtonFactory.createStaticCommandBarButtons(mockExplorer, selectedNodeState);
+      const buttons = CommandBarComponentButtonFactory.createStaticCommandBarButtons(selectedNodeState);
       const openCassandraShellBtn = buttons.find((button) => button.commandButtonLabel === openCassandraShellBtnLabel);
       expect(openCassandraShellBtn).toBeUndefined();
     });
@@ -134,12 +129,8 @@ describe("CommandBarComponentButtonFactory tests", () => {
     const openPostgresShellButtonLabel = "Open PSQL shell";
     const openVCoreMongoShellButtonLabel = "Open MongoDB (vCore) shell";
 
-    beforeAll(() => {
-      mockExplorer = {} as Explorer;
-    });
-
     it("creates Postgres shell button", () => {
-      const buttons = CommandBarComponentButtonFactory.createPostgreButtons(mockExplorer);
+      const buttons = CommandBarComponentButtonFactory.createPostgreButtons();
       const openPostgresShellButton = buttons.find(
         (button) => button.commandButtonLabel === openPostgresShellButtonLabel,
       );
@@ -147,7 +138,7 @@ describe("CommandBarComponentButtonFactory tests", () => {
     });
 
     it("creates vCore Mongo shell button", () => {
-      const buttons = CommandBarComponentButtonFactory.createVCoreMongoButtons(mockExplorer);
+      const buttons = CommandBarComponentButtonFactory.createVCoreMongoButtons();
       const openVCoreMongoShellButton = buttons.find(
         (button) => button.commandButtonLabel === openVCoreMongoShellButtonLabel,
       );
@@ -162,8 +153,6 @@ describe("CommandBarComponentButtonFactory tests", () => {
     const selectedNodeState = useSelectedNode.getState();
 
     beforeAll(() => {
-      mockExplorer = {} as Explorer;
-
       updateUserContext({
         authType: AuthType.ResourceToken,
       });
@@ -175,7 +164,7 @@ describe("CommandBarComponentButtonFactory tests", () => {
           kind: "DocumentDB",
         } as DatabaseAccount,
       });
-      const buttons = CommandBarComponentButtonFactory.createStaticCommandBarButtons(mockExplorer, selectedNodeState);
+      const buttons = CommandBarComponentButtonFactory.createStaticCommandBarButtons(selectedNodeState);
       expect(buttons.length).toBe(2);
       expect(buttons[0].commandButtonLabel).toBe("New SQL Query");
       expect(buttons[0].disabled).toBe(false);

src/Explorer/Menus/CommandBar/CommandBarComponentButtonFactory.tsx

@@ -21,7 +21,6 @@ import { userContext } from "../../../UserContext";
 import { isRunningOnNationalCloud } from "../../../Utils/CloudUtils";
 import { useSidePanel } from "../../../hooks/useSidePanel";
 import { CommandButtonComponentProps } from "../../Controls/CommandButton/CommandButtonComponent";
-import Explorer from "../../Explorer";
 import { useNotebook } from "../../Notebook/useNotebook";
 import { OpenFullScreen } from "../../OpenFullScreen";
 import { BrowseQueriesPane } from "../../Panes/BrowseQueriesPane/BrowseQueriesPane";
@@ -32,19 +31,20 @@ import { SelectedNodeState, useSelectedNode } from "../../useSelectedNode";
 
 let counter = 0;
 
-export function createStaticCommandBarButtons(
-  container: Explorer,
-  selectedNodeState: SelectedNodeState,
-): CommandButtonComponentProps[] {
+export function createStaticCommandBarButtons(selectedNodeState: SelectedNodeState): CommandButtonComponentProps[] {
+  if (userContext.apiType === "Postgres" || userContext.apiType === "VCoreMongo") {
+    return userContext.apiType === "Postgres" ? createPostgreButtons() : createVCoreMongoButtons();
+  }
+
   if (userContext.authType === AuthType.ResourceToken) {
-    return createStaticCommandBarButtonsForResourceToken(container, selectedNodeState);
+    return createStaticCommandBarButtonsForResourceToken(selectedNodeState);
   }
 
   const buttons: CommandButtonComponentProps[] = [];
 
   // Avoid starting with a divider
   const addDivider = () => {
-    if (buttons.length > 0) {
+    if (buttons.length > 0 && !buttons[buttons.length - 1].isDivider) {
       buttons.push(createDivider());
     }
   };
@@ -54,7 +54,7 @@ export function createStaticCommandBarButtons(
     userContext.apiType !== "Tables" &&
     userContext.apiType !== "Cassandra"
   ) {
-    const addSynapseLink = createOpenSynapseLinkDialogButton(container);
+    const addSynapseLink = createOpenSynapseLinkDialogButton();
     if (addSynapseLink) {
       addDivider();
       buttons.push(addSynapseLink);
@@ -67,9 +67,9 @@ export function createStaticCommandBarButtons(
     const aadTokenUpdated = useDataPlaneRbac((state) => state.aadTokenUpdated);
 
     useEffect(() => {
-      const buttonProps = createLoginForEntraIDButton(container);
+      const buttonProps = createLoginForEntraIDButton();
       setLoginButtonProps(buttonProps);
-    }, [dataPlaneRbacEnabled, aadTokenUpdated, container]);
+    }, [dataPlaneRbacEnabled, aadTokenUpdated]);
 
     if (loginButtonProps) {
       addDivider();
@@ -87,8 +87,8 @@ export function createStaticCommandBarButtons(
     }
 
     if (isQuerySupported && selectedNodeState.findSelectedCollection() && configContext.platform !== Platform.Fabric) {
-      const openQueryBtn = createOpenQueryButton(container);
-      openQueryBtn.children = [createOpenQueryButton(container), createOpenQueryFromDiskButton()];
+      const openQueryBtn = createOpenQueryButton();
+      openQueryBtn.children = [createOpenQueryButton(), createOpenQueryFromDiskButton()];
       buttons.push(openQueryBtn);
     }
 
@@ -103,6 +103,7 @@ export function createStaticCommandBarButtons(
           selectedCollection && selectedCollection.onNewStoredProcedureClick(selectedCollection);
         },
         commandButtonLabel: label,
+        tooltipText: userContext.features.commandBarV2 ? "New..." : label,
         ariaLabel: label,
         hasPopup: true,
         disabled:
@@ -115,21 +116,12 @@ export function createStaticCommandBarButtons(
     }
   }
 
-  return buttons;
-}
-
-export function createContextCommandBarButtons(
-  container: Explorer,
-  selectedNodeState: SelectedNodeState,
-): CommandButtonComponentProps[] {
-  const buttons: CommandButtonComponentProps[] = [];
-
   if (!selectedNodeState.isDatabaseNodeOrNoneSelected() && userContext.apiType === "Mongo") {
     const label = useNotebook.getState().isShellEnabled ? "Open Mongo Shell" : "New Shell";
     const newMongoShellBtn: CommandButtonComponentProps = {
       iconSrc: HostedTerminalIcon,
       iconAlt: label,
-      onCommandClick: () => {
+      onCommandClick: (_, container) => {
         const selectedCollection: ViewModels.Collection = selectedNodeState.findSelectedCollection();
         if (useNotebook.getState().isShellEnabled) {
           container.openNotebookTerminal(ViewModels.TerminalKind.Mongo);
@@ -141,6 +133,7 @@ export function createContextCommandBarButtons(
       ariaLabel: label,
       hasPopup: true,
     };
+    addDivider();
     buttons.push(newMongoShellBtn);
   }
 
@@ -153,28 +146,26 @@ export function createContextCommandBarButtons(
     const newCassandraShellButton: CommandButtonComponentProps = {
       iconSrc: HostedTerminalIcon,
       iconAlt: label,
-      onCommandClick: () => {
+      onCommandClick: (_, container) => {
         container.openNotebookTerminal(ViewModels.TerminalKind.Cassandra);
       },
       commandButtonLabel: label,
       ariaLabel: label,
       hasPopup: true,
     };
+    addDivider();
     buttons.push(newCassandraShellButton);
   }
 
   return buttons;
 }
 
-export function createControlCommandBarButtons(container: Explorer): CommandButtonComponentProps[] {
-  const buttons: CommandButtonComponentProps[] =
-    configContext.platform === Platform.Fabric && userContext.fabricContext?.isReadOnly
-      ? []
-      : [
+export function createPlatformButtons(): CommandButtonComponentProps[] {
+  const buttons: CommandButtonComponentProps[] = [
     {
       iconSrc: SettingsIcon,
       iconAlt: "Settings",
-            onCommandClick: () =>
+      onCommandClick: (_, container) =>
         useSidePanel.getState().openSidePanel("Settings", <SettingsPane explorer={container} />),
       commandButtonLabel: undefined,
       ariaLabel: "Settings",
@@ -211,7 +202,7 @@ export function createControlCommandBarButtons(container: Explorer): CommandButt
     const feedbackButtonOptions: CommandButtonComponentProps = {
       iconSrc: FeedbackIcon,
       iconAlt: label,
-      onCommandClick: () => container.openCESCVAFeedbackBlade(),
+      onCommandClick: (_, container) => container.openCESCVAFeedbackBlade(),
       commandButtonLabel: undefined,
       ariaLabel: label,
       tooltipText: label,
@@ -243,7 +234,7 @@ function areScriptsSupported(): boolean {
   );
 }
 
-function createOpenSynapseLinkDialogButton(container: Explorer): CommandButtonComponentProps {
+function createOpenSynapseLinkDialogButton(): CommandButtonComponentProps {
   if (configContext.platform === Platform.Emulator) {
     return undefined;
   }
@@ -261,7 +252,7 @@ function createOpenSynapseLinkDialogButton(container: Explorer): CommandButtonCo
   return {
     iconSrc: SynapseIcon,
     iconAlt: label,
-    onCommandClick: () => container.openEnableSynapseLinkDialog(),
+    onCommandClick: (_, container) => container.openEnableSynapseLinkDialog(),
     commandButtonLabel: label,
     hasPopup: false,
     disabled:
@@ -270,12 +261,12 @@ function createOpenSynapseLinkDialogButton(container: Explorer): CommandButtonCo
   };
 }
 
-function createLoginForEntraIDButton(container: Explorer): CommandButtonComponentProps {
+function createLoginForEntraIDButton(): CommandButtonComponentProps {
   if (configContext.platform !== Platform.Portal) {
     return undefined;
   }
 
-  const handleCommandClick = async () => {
+  const handleCommandClick: CommandButtonComponentProps["onCommandClick"] = async (_, container) => {
     await container.openLoginForEntraIDPopUp();
     useDataPlaneRbac.setState({ dataPlaneRbacEnabled: true });
   };
@@ -402,13 +393,14 @@ export function createScriptCommandButtons(selectedNodeState: SelectedNodeState)
   return buttons;
 }
 
-function createOpenQueryButton(container: Explorer): CommandButtonComponentProps {
+function createOpenQueryButton(): CommandButtonComponentProps {
   const label = "Open Query";
   return {
     iconSrc: BrowseQueriesIcon,
     iconAlt: label,
+    tooltipText: userContext.features.commandBarV2 ? "Open Query..." : "Open Query",
     keyboardAction: KeyboardAction.OPEN_QUERY,
-    onCommandClick: () =>
+    onCommandClick: (_, container) =>
       useSidePanel.getState().openSidePanel("Open Saved Queries", <BrowseQueriesPane explorer={container} />),
     commandButtonLabel: label,
     ariaLabel: label,
@@ -431,10 +423,7 @@ function createOpenQueryFromDiskButton(): CommandButtonComponentProps {
   };
 }
 
-function createOpenTerminalButtonByKind(
-  container: Explorer,
-  terminalKind: ViewModels.TerminalKind,
-): CommandButtonComponentProps {
+function createOpenTerminalButtonByKind(terminalKind: ViewModels.TerminalKind): CommandButtonComponentProps {
   const terminalFriendlyName = (): string => {
     switch (terminalKind) {
       case ViewModels.TerminalKind.Cassandra:
@@ -457,7 +446,7 @@ function createOpenTerminalButtonByKind(
   return {
     iconSrc: HostedTerminalIcon,
     iconAlt: label,
-    onCommandClick: () => {
+    onCommandClick: (_, container) => {
       if (useNotebook.getState().isNotebookEnabled) {
         container.openNotebookTerminal(terminalKind);
       }
@@ -471,11 +460,10 @@ function createOpenTerminalButtonByKind(
 }
 
 function createStaticCommandBarButtonsForResourceToken(
-  container: Explorer,
   selectedNodeState: SelectedNodeState,
 ): CommandButtonComponentProps[] {
   const newSqlQueryBtn = createNewSQLQueryButton(selectedNodeState);
-  const openQueryBtn = createOpenQueryButton(container);
+  const openQueryBtn = createOpenQueryButton();
 
   const resourceTokenCollection: ViewModels.CollectionBase = useDatabases.getState().resourceTokenCollection;
   const isResourceTokenCollectionNodeSelected: boolean =
@@ -488,20 +476,20 @@ function createStaticCommandBarButtonsForResourceToken(
 
   openQueryBtn.disabled = !isResourceTokenCollectionNodeSelected;
   if (!openQueryBtn.disabled) {
-    openQueryBtn.children = [createOpenQueryButton(container), createOpenQueryFromDiskButton()];
+    openQueryBtn.children = [createOpenQueryButton(), createOpenQueryFromDiskButton()];
   }
 
   return [newSqlQueryBtn, openQueryBtn];
 }
 
-export function createPostgreButtons(container: Explorer): CommandButtonComponentProps[] {
-  const openPostgreShellBtn = createOpenTerminalButtonByKind(container, ViewModels.TerminalKind.Postgres);
+export function createPostgreButtons(): CommandButtonComponentProps[] {
+  const openPostgreShellBtn = createOpenTerminalButtonByKind(ViewModels.TerminalKind.Postgres);
 
   return [openPostgreShellBtn];
 }
 
-export function createVCoreMongoButtons(container: Explorer): CommandButtonComponentProps[] {
-  const openVCoreMongoTerminalButton = createOpenTerminalButtonByKind(container, ViewModels.TerminalKind.VCoreMongo);
+export function createVCoreMongoButtons(): CommandButtonComponentProps[] {
+  const openVCoreMongoTerminalButton = createOpenTerminalButtonByKind(ViewModels.TerminalKind.VCoreMongo);
 
   return [openVCoreMongoTerminalButton];
 }

src/Explorer/Menus/CommandBar/CommandBarUtil.test.tsx

@@ -1,8 +1,10 @@
 import { ICommandBarItemProps } from "@fluentui/react";
+import Explorer from "Explorer/Explorer";
 import { CommandButtonComponentProps } from "../../Controls/CommandButton/CommandButtonComponent";
 import * as CommandBarUtil from "./CommandBarUtil";
 
 describe("CommandBarUtil tests", () => {
+  const mockExplorer = {} as Explorer;
   const createButton = (): CommandButtonComponentProps => {
     return {
       iconSrc: "icon",
@@ -22,7 +24,7 @@ describe("CommandBarUtil tests", () => {
     const btn = createButton();
     const backgroundColor = "backgroundColor";
 
-    const converteds = CommandBarUtil.convertButton([btn], backgroundColor);
+    const converteds = CommandBarUtil.convertButton([btn], backgroundColor, mockExplorer);
     expect(converteds.length).toBe(1);
     const converted = converteds[0];
     expect(converted.split).toBe(undefined);
@@ -46,7 +48,7 @@ describe("CommandBarUtil tests", () => {
       btn.children.push(child);
     }
 
-    const converteds = CommandBarUtil.convertButton([btn], "backgroundColor");
+    const converteds = CommandBarUtil.convertButton([btn], "backgroundColor", mockExplorer);
     expect(converteds.length).toBe(1);
     const converted = converteds[0];
     expect(converted.split).toBe(true);
@@ -62,7 +64,7 @@ describe("CommandBarUtil tests", () => {
       btns.push(createButton());
     }
 
-    const converteds = CommandBarUtil.convertButton(btns, "backgroundColor");
+    const converteds = CommandBarUtil.convertButton(btns, "backgroundColor", mockExplorer);
     const uniqueKeys = converteds
       .map((btn: ICommandBarItemProps) => btn.key)
       .filter((value: string, index: number, self: string[]) => self.indexOf(value) === index);
@@ -74,10 +76,10 @@ describe("CommandBarUtil tests", () => {
     const backgroundColor = "backgroundColor";
 
     btn.commandButtonLabel = undefined;
-    let converted = CommandBarUtil.convertButton([btn], backgroundColor)[0];
+    let converted = CommandBarUtil.convertButton([btn], backgroundColor, mockExplorer)[0];
     expect(converted.text).toEqual(btn.tooltipText);
 
-    converted = CommandBarUtil.convertButton([btn], backgroundColor)[0];
+    converted = CommandBarUtil.convertButton([btn], backgroundColor, mockExplorer)[0];
     delete btn.commandButtonLabel;
     expect(converted.text).toEqual(btn.tooltipText);
   });

src/Explorer/Menus/CommandBar/CommandBarUtil.tsx

@@ -25,7 +25,11 @@ import { MemoryTracker } from "./MemoryTrackerComponent";
  * Convert our NavbarButtonConfig to UI Fabric buttons
  * @param btns
  */
-export const convertButton = (btns: CommandButtonComponentProps[], backgroundColor: string): ICommandBarItemProps[] => {
+export const convertButton = (
+  btns: CommandButtonComponentProps[],
+  backgroundColor: string,
+  container: Explorer,
+): ICommandBarItemProps[] => {
   const buttonHeightPx =
     configContext.platform == Platform.Fabric
       ? StyleConstants.FabricCommandBarButtonHeight
@@ -54,15 +58,14 @@ export const convertButton = (btns: CommandButtonComponentProps[], backgroundCol
         iconProps: {
           style: {
             width: StyleConstants.CommandBarIconWidth, // 16
-            alignSelf: btn.iconName ? "baseline" : undefined,
+            alignSelf: undefined,
             filter: getFilter(btn.disabled),
           },
           imageProps: btn.iconSrc ? { src: btn.iconSrc, alt: btn.iconAlt } : undefined,
-          iconName: btn.iconName,
         },
         onClick: btn.onCommandClick
           ? (ev?: React.MouseEvent<HTMLElement, MouseEvent> | React.KeyboardEvent<HTMLElement>) => {
-              btn.onCommandClick(ev);
+              btn.onCommandClick(ev, container);
               let copilotEnabled = false;
               if (useQueryCopilot.getState().copilotEnabled && useQueryCopilot.getState().copilotUserDBEnabled) {
                 copilotEnabled = useQueryCopilot.getState().copilotEnabledforExecution;
@@ -135,7 +138,7 @@ export const convertButton = (btns: CommandButtonComponentProps[], backgroundCol
         result.split = true;
 
         result.subMenuProps = {
-          items: convertButton(btn.children, backgroundColor),
+          items: convertButton(btn.children, backgroundColor, container),
           styles: {
             list: {
               // TODO Figure out how to do it the proper way with subComponentStyles.
@@ -186,7 +189,7 @@ export const convertButton = (btns: CommandButtonComponentProps[], backgroundCol
           option?: IDropdownOption,
           index?: number,
         ): void => {
-          btn.children[index].onCommandClick(event);
+          btn.children[index].onCommandClick(event, container);
           TelemetryProcessor.trace(Action.ClickCommandBarButton, ActionModifiers.Mark, { label: option.text });
         };
 
@@ -237,14 +240,17 @@ export const createConnectionStatus = (container: Explorer, poolId: PoolIdType,
   };
 };
 
-export function createKeyboardHandlers(allButtons: CommandButtonComponentProps[]): KeyboardHandlerMap {
+export function createKeyboardHandlers(
+  allButtons: CommandButtonComponentProps[],
+  container: Explorer,
+): KeyboardHandlerMap {
   const handlers: KeyboardHandlerMap = {};
 
   function createHandlers(buttons: CommandButtonComponentProps[]) {
     buttons.forEach((button) => {
       if (!button.disabled && button.keyboardAction) {
         handlers[button.keyboardAction] = (e) => {
-          button.onCommandClick(e);
+          button.onCommandClick(e, container);
 
           // If the handler is bound, it means the button is visible and enabled, so we should prevent the default action
           return true;

src/Explorer/Menus/CommandBar/useCommandBar.ts

@@ -0,0 +1,16 @@
+import { CommandButtonComponentProps } from "Explorer/Controls/CommandButton/CommandButtonComponent";
+import create, { UseStore } from "zustand";
+
+export interface CommandBarStore {
+  contextButtons: CommandButtonComponentProps[];
+  setContextButtons: (contextButtons: CommandButtonComponentProps[]) => void;
+  isHidden: boolean;
+  setIsHidden: (isHidden: boolean) => void;
+}
+
+export const useCommandBar: UseStore<CommandBarStore> = create((set) => ({
+  contextButtons: [],
+  setContextButtons: (contextButtons: CommandButtonComponentProps[]) => set((state) => ({ ...state, contextButtons })),
+  isHidden: false,
+  setIsHidden: (isHidden: boolean) => set((state) => ({ ...state, isHidden })),
+}));

src/Explorer/Menus/CommandBarV2/CommandBarV2.tsx

@@ -0,0 +1,159 @@
+import {
+  makeStyles,
+  Menu,
+  MenuButton,
+  MenuItem,
+  MenuList,
+  MenuPopover,
+  MenuTrigger,
+  Toolbar,
+  ToolbarButton,
+  ToolbarDivider,
+  ToolbarGroup,
+  Tooltip,
+} from "@fluentui/react-components";
+import { CommandButtonComponentProps } from "Explorer/Controls/CommandButton/CommandButtonComponent";
+import Explorer from "Explorer/Explorer";
+import {
+  createPlatformButtons,
+  createStaticCommandBarButtons,
+} from "Explorer/Menus/CommandBar/CommandBarComponentButtonFactory";
+import { createKeyboardHandlers } from "Explorer/Menus/CommandBar/CommandBarUtil";
+import { useCommandBar } from "Explorer/Menus/CommandBar/useCommandBar";
+import { CosmosFluentProvider, cosmosShorthands, tokens } from "Explorer/Theme/ThemeUtil";
+import { useSelectedNode } from "Explorer/useSelectedNode";
+import { KeyboardActionGroup, useKeyboardActionGroup } from "KeyboardShortcuts";
+import React, { MouseEventHandler } from "react";
+
+const useToolbarStyles = makeStyles({
+  toolbar: {
+    height: tokens.layoutRowHeight,
+    justifyContent: "space-between", // Ensures that the two toolbar groups are at opposite ends of the toolbar
+    ...cosmosShorthands.borderBottom(),
+  },
+  toolbarGroup: {
+    display: "flex",
+  },
+});
+
+export interface CommandBarV2Props {
+  explorer: Explorer;
+}
+
+export const CommandBarV2: React.FC<CommandBarV2Props> = ({ explorer }: CommandBarV2Props) => {
+  const styles = useToolbarStyles();
+  const selectedNodeState = useSelectedNode();
+  const contextButtons = useCommandBar((state) => state.contextButtons);
+  const isHidden = useCommandBar((state) => state.isHidden);
+  const setKeyboardHandlers = useKeyboardActionGroup(KeyboardActionGroup.COMMAND_BAR);
+  const staticButtons = createStaticCommandBarButtons(selectedNodeState);
+  const platformButtons = createPlatformButtons();
+
+  if (isHidden) {
+    setKeyboardHandlers({});
+    return null;
+  }
+
+  const allButtons = staticButtons.concat(contextButtons).concat(platformButtons);
+  const keyboardHandlers = createKeyboardHandlers(allButtons, explorer);
+  setKeyboardHandlers(keyboardHandlers);
+
+  return (
+    <CosmosFluentProvider>
+      <Toolbar className={styles.toolbar}>
+        <ToolbarGroup role="presentation" className={styles.toolbarGroup}>
+          {staticButtons.map((button, index) =>
+            renderButton(explorer, button, `static-${index}`, contextButtons?.length > 0),
+          )}
+          {staticButtons.length > 0 && contextButtons?.length > 0 && <ToolbarDivider />}
+          {contextButtons.map((button, index) => renderButton(explorer, button, `context-${index}`, false))}
+        </ToolbarGroup>
+        <ToolbarGroup role="presentation">
+          {platformButtons.map((button, index) => renderButton(explorer, button, `platform-${index}`, true))}
+        </ToolbarGroup>
+      </Toolbar>
+    </CosmosFluentProvider>
+  );
+};
+
+// This allows us to migrate individual buttons over to using a JSX.Element for the icon, without requiring us to change them all at once.
+function renderIcon(iconSrcOrElement: string | JSX.Element, alt?: string): JSX.Element {
+  if (typeof iconSrcOrElement === "string") {
+    return <img src={iconSrcOrElement} alt={alt} />;
+  }
+  return iconSrcOrElement;
+}
+
+function renderButton(
+  explorer: Explorer,
+  btn: CommandButtonComponentProps,
+  key: string,
+  iconOnly: boolean,
+): JSX.Element {
+  if (btn.isDivider) {
+    return <ToolbarDivider key={key} />;
+  }
+
+  const hasChildren = !!btn.children && btn.children.length > 0;
+  const label = btn.commandButtonLabel || btn.tooltipText;
+  const tooltip = btn.tooltipText || (iconOnly ? label : undefined);
+  const onClick: MouseEventHandler | undefined =
+    btn.onCommandClick && !hasChildren ? (e) => btn.onCommandClick(e, explorer) : undefined;
+
+  // We don't know which element will be the top-level element, so just slap a key on all of 'em
+
+  let button = hasChildren ? (
+    <MenuButton key={key} appearance="subtle" aria-label={btn.ariaLabel} icon={renderIcon(btn.iconSrc, btn.iconAlt)}>
+      {!iconOnly && label}
+    </MenuButton>
+  ) : (
+    <ToolbarButton key={key} aria-label={btn.ariaLabel} onClick={onClick} icon={renderIcon(btn.iconSrc, btn.iconAlt)}>
+      {!iconOnly && label}
+    </ToolbarButton>
+  );
+
+  if (tooltip) {
+    button = (
+      <Tooltip key={key} content={tooltip} relationship="description" withArrow>
+        {button}
+      </Tooltip>
+    );
+  }
+
+  if (hasChildren) {
+    button = (
+      <Menu key={key}>
+        <MenuTrigger disableButtonEnhancement>{button}</MenuTrigger>
+        <MenuPopover>
+          <MenuList>{btn.children.map((child, index) => renderMenuItem(explorer, child, index.toString()))}</MenuList>
+        </MenuPopover>
+      </Menu>
+    );
+  }
+
+  return button;
+}
+
+function renderMenuItem(explorer: Explorer, btn: CommandButtonComponentProps, key: string): JSX.Element {
+  const hasChildren = !!btn.children && btn.children.length > 0;
+  const onClick: MouseEventHandler | undefined = btn.onCommandClick
+    ? (e) => btn.onCommandClick(e, explorer)
+    : undefined;
+  const item = (
+    <MenuItem key={key} onClick={onClick} icon={renderIcon(btn.iconSrc, btn.iconAlt)}>
+      {btn.commandButtonLabel || btn.tooltipText}
+    </MenuItem>
+  );
+
+  if (hasChildren) {
+    return (
+      <Menu>
+        <MenuTrigger disableButtonEnhancement>{item}</MenuTrigger>
+        <MenuPopover>
+          <MenuList>{btn.children.map((child, index) => renderMenuItem(explorer, child, index.toString()))}</MenuList>
+        </MenuPopover>
+      </Menu>
+    );
+  }
+  return item;
+}

src/Explorer/MostRecentActivity/MostRecentActivity.test.ts

@@ -1,13 +1,13 @@
+import { clear, collectionWasOpened, getItems, Type } from "Explorer/MostRecentActivity/MostRecentActivity";
 import { observable } from "knockout";
-import { mostRecentActivity } from "./MostRecentActivity";
 
 describe("MostRecentActivity", () => {
-  const accountId = "some account";
+  const accountName = "some account";
 
-  beforeEach(() => mostRecentActivity.clear(accountId));
+  beforeEach(() => clear(accountName));
 
   it("Has no items at first", () => {
-    expect(mostRecentActivity.getItems(accountId)).toStrictEqual([]);
+    expect(getItems(accountName)).toStrictEqual([]);
   });
 
   it("Can record collections being opened", () => {
@@ -18,9 +18,9 @@ describe("MostRecentActivity", () => {
       databaseId,
     };
 
-    mostRecentActivity.collectionWasOpened(accountId, collection);
+    collectionWasOpened(accountName, collection);
 
-    const activity = mostRecentActivity.getItems(accountId);
+    const activity = getItems(accountName);
     expect(activity).toEqual([
       expect.objectContaining({
         collectionId,
@@ -29,58 +29,24 @@ describe("MostRecentActivity", () => {
     ]);
   });
 
-  it("Can record notebooks being opened", () => {
-    const name = "some notebook";
-    const path = "some path";
-    const notebook = { name, path };
+  it("Does not store duplicate entries", () => {
+    const collectionId = "some collection";
+    const databaseId = "some database";
+    const collection = {
+      id: observable(collectionId),
+      databaseId,
+    };
 
-    mostRecentActivity.notebookWasItemOpened(accountId, notebook);
+    collectionWasOpened(accountName, collection);
+    collectionWasOpened(accountName, collection);
 
-    const activity = mostRecentActivity.getItems(accountId);
-    expect(activity).toEqual([expect.objectContaining(notebook)]);
-  });
-
-  it("Filters out duplicates", () => {
-    const name = "some notebook";
-    const path = "some path";
-    const notebook = { name, path };
-    const sameNotebook = { name, path };
-
-    mostRecentActivity.notebookWasItemOpened(accountId, notebook);
-    mostRecentActivity.notebookWasItemOpened(accountId, sameNotebook);
-
-    const activity = mostRecentActivity.getItems(accountId);
-    expect(activity.length).toEqual(1);
-    expect(activity).toEqual([expect.objectContaining(notebook)]);
-  });
-
-  it("Allows for multiple accounts", () => {
-    const name = "some notebook";
-    const path = "some path";
-    const notebook = { name, path };
-
-    const anotherNotebook = { name: "Another " + name, path };
-    const anotherAccountId = "Another " + accountId;
-
-    mostRecentActivity.notebookWasItemOpened(accountId, notebook);
-    mostRecentActivity.notebookWasItemOpened(anotherAccountId, anotherNotebook);
-
-    expect(mostRecentActivity.getItems(accountId)).toEqual([expect.objectContaining(notebook)]);
-    expect(mostRecentActivity.getItems(anotherAccountId)).toEqual([expect.objectContaining(anotherNotebook)]);
-  });
-
-  it("Can store multiple distinct elements, in FIFO order", () => {
-    const name = "some notebook";
-    const path = "some path";
-    const first = { name, path };
-    const second = { name: "Another " + name, path };
-    const third = { name, path: "Another " + path };
-
-    mostRecentActivity.notebookWasItemOpened(accountId, first);
-    mostRecentActivity.notebookWasItemOpened(accountId, second);
-    mostRecentActivity.notebookWasItemOpened(accountId, third);
-
-    const activity = mostRecentActivity.getItems(accountId);
-    expect(activity).toEqual([third, second, first].map(expect.objectContaining));
+    const activity = getItems(accountName);
+    expect(activity).toEqual([
+      expect.objectContaining({
+        type: Type.OpenCollection,
+        collectionId,
+        databaseId,
+      }),
+    ]);
   });
 });

src/Explorer/MostRecentActivity/MostRecentActivity.ts

@@ -1,10 +1,10 @@
+import { AppStateComponentNames, deleteState, loadState, saveState } from "Shared/AppStatePersistenceUtility";
 import { CollectionBase } from "../../Contracts/ViewModels";
-import { StorageKey, LocalStorageUtility } from "../../Shared/StorageUtility";
-import { NotebookContentItem } from "../Notebook/NotebookContentItem";
+import { LocalStorageUtility, StorageKey } from "../../Shared/StorageUtility";
 
 export enum Type {
-  OpenCollection,
-  OpenNotebook,
+  OpenCollection = "OpenCollection",
+  OpenNotebook = "OpenNotebook",
 }
 
 export interface OpenNotebookItem {
@@ -21,158 +21,174 @@ export interface OpenCollectionItem {
 
 type Item = OpenNotebookItem | OpenCollectionItem;
 
-// Update schemaVersion if you are going to change this interface
-interface StoredData {
-  schemaVersion: string;
-  itemsMap: { [accountId: string]: Item[] }; // FIFO
-}
+const itemsMaxNumber: number = 5;
 
 /**
- * Stores most recent activity
+ * Migrate old data to new AppState
  */
-class MostRecentActivity {
-  private static readonly schemaVersion: string = "2";
-  private static itemsMaxNumber: number = 5;
-  private storedData: StoredData;
-  constructor() {
-    // Retrieve from local storage
+const migrateOldData = () => {
   if (LocalStorageUtility.hasItem(StorageKey.MostRecentActivity)) {
+    const oldDataSchemaVersion: string = "2";
     const rawData = LocalStorageUtility.getEntryString(StorageKey.MostRecentActivity);
-
-      if (!rawData) {
-        this.storedData = MostRecentActivity.createEmptyData();
-      } else {
-        try {
-          this.storedData = JSON.parse(rawData);
-        } catch (e) {
-          console.error("Unable to parse stored most recent activity. Use empty data:", rawData);
-          this.storedData = MostRecentActivity.createEmptyData();
+    if (rawData) {
+      const oldData = JSON.parse(rawData);
+      if (oldData.schemaVersion === oldDataSchemaVersion) {
+        const itemsMap: Record<string, Item[]> = oldData.itemsMap;
+        Object.keys(itemsMap).forEach((accountId: string) => {
+          const accountName = accountId.split("/").pop();
+          if (accountName) {
+            saveState(
+              {
+                componentName: AppStateComponentNames.MostRecentActivity,
+                globalAccountName: accountName,
+              },
+              itemsMap[accountId].map((item) => {
+                if ((item.type as unknown as number) === 0) {
+                  item.type = Type.OpenCollection;
+                } else if ((item.type as unknown as number) === 1) {
+                  item.type = Type.OpenNotebook;
+                }
+                return item;
+              }),
+            );
+          }
+        });
+      }
     }
 
-        // If version doesn't match or schema broke, nuke it!
-        if (
-          !this.storedData.hasOwnProperty("schemaVersion") ||
-          this.storedData["schemaVersion"] !== MostRecentActivity.schemaVersion
-        ) {
-          LocalStorageUtility.removeEntry(StorageKey.MostRecentActivity);
-          this.storedData = MostRecentActivity.createEmptyData();
-        }
-      }
-    } else {
-      this.storedData = MostRecentActivity.createEmptyData();
-    }
-
-    for (let p in this.storedData.itemsMap) {
-      this.cleanupItems(p);
-    }
-    this.saveToLocalStorage();
-  }
-
-  private static createEmptyData(): StoredData {
-    return {
-      schemaVersion: MostRecentActivity.schemaVersion,
-      itemsMap: {},
-    };
-  }
-
-  private static isEmpty(object: any) {
-    return Object.keys(object).length === 0 && object.constructor === Object;
-  }
-
-  private saveToLocalStorage() {
-    if (MostRecentActivity.isEmpty(this.storedData.itemsMap)) {
-      if (LocalStorageUtility.hasItem(StorageKey.MostRecentActivity)) {
+    // Remove old data
     LocalStorageUtility.removeEntry(StorageKey.MostRecentActivity);
   }
-      // Don't save if empty
-      return;
-    }
+};
 
-    LocalStorageUtility.setEntryString(StorageKey.MostRecentActivity, JSON.stringify(this.storedData));
-  }
-
-  private addItem(accountId: string, newItem: Item): void {
+const addItem = (accountName: string, newItem: Item): void => {
   // When debugging, accountId is "undefined": most recent activity cannot be saved by account. Uncomment to disable.
   // if (!accountId) {
   //   return;
   // }
 
+  let items =
+    (loadState({
+      componentName: AppStateComponentNames.MostRecentActivity,
+      globalAccountName: accountName,
+    }) as Item[]) || [];
+
   // Remove duplicate
-    MostRecentActivity.removeDuplicate(newItem, this.storedData.itemsMap[accountId]);
+  items = removeDuplicate(newItem, items);
 
-    this.storedData.itemsMap[accountId] = this.storedData.itemsMap[accountId] || [];
-    this.storedData.itemsMap[accountId].unshift(newItem);
-    this.cleanupItems(accountId);
-    this.saveToLocalStorage();
+  items.unshift(newItem);
+  items = cleanupItems(items, accountName);
+  saveState(
+    {
+      componentName: AppStateComponentNames.MostRecentActivity,
+      globalAccountName: accountName,
+    },
+    items,
+  );
+};
+
+export const getItems = (accountName: string): Item[] => {
+  if (!accountName) {
+    return [];
   }
 
-  public getItems(accountId: string): Item[] {
-    return this.storedData.itemsMap[accountId] || [];
+  return (
+    (loadState({
+      componentName: AppStateComponentNames.MostRecentActivity,
+      globalAccountName: accountName,
+    }) as Item[]) || []
+  );
+};
+
+export const collectionWasOpened = (
+  accountName: string,
+  { id, databaseId }: Pick<CollectionBase, "id" | "databaseId">,
+) => {
+  if (accountName === undefined) {
+    return;
   }
 
-  public collectionWasOpened(accountId: string, { id, databaseId }: Pick<CollectionBase, "id" | "databaseId">) {
   const collectionId = id();
-    this.addItem(accountId, {
+  addItem(accountName, {
     type: Type.OpenCollection,
     databaseId,
     collectionId,
   });
-  }
+};
 
-  public notebookWasItemOpened(accountId: string, { name, path }: Pick<NotebookContentItem, "name" | "path">) {
-    this.addItem(accountId, {
-      type: Type.OpenNotebook,
-      name,
-      path,
-    });
-  }
-
-  public clear(accountId: string): void {
-    delete this.storedData.itemsMap[accountId];
-    this.saveToLocalStorage();
-  }
-
-  /**
-   * Find items by doing strict comparison and remove from array if duplicate is found
-   * @param item
-   */
-  private static removeDuplicate(item: Item, itemsArray: Item[]): void {
-    if (!itemsArray) {
+export const clear = (accountName: string): void => {
+  if (!accountName) {
     return;
   }
 
+  deleteState({
+    componentName: AppStateComponentNames.MostRecentActivity,
+    globalAccountName: accountName,
+  });
+};
+
+// Sort object by key
+const sortObjectKeys = (unordered: Record<string, unknown>): Record<string, unknown> => {
+  return Object.keys(unordered)
+    .sort()
+    .reduce((obj: Record<string, unknown>, key: string) => {
+      obj[key] = unordered[key];
+      return obj;
+    }, {});
+};
+
+/**
+ * Find items by doing strict comparison and remove from array if duplicate is found.
+ * Modifies the array.
+ * @param item
+ * @param itemsArray
+ * @returns new array
+ */
+const removeDuplicate = (item: Item, itemsArray: Item[]): Item[] => {
+  if (!itemsArray) {
+    return itemsArray;
+  }
+
+  const result: Item[] = [...itemsArray];
+
   let index = -1;
-    for (let i = 0; i < itemsArray.length; i++) {
-      const currentItem = itemsArray[i];
-      if (JSON.stringify(currentItem) === JSON.stringify(item)) {
+  for (let i = 0; i < result.length; i++) {
+    const currentItem = result[i];
+
+    if (
+      JSON.stringify(sortObjectKeys(currentItem as unknown as Record<string, unknown>)) ===
+      JSON.stringify(sortObjectKeys(item as unknown as Record<string, unknown>))
+    ) {
       index = i;
       break;
     }
   }
 
   if (index !== -1) {
-      itemsArray.splice(index, 1);
-    }
+    result.splice(index, 1);
   }
 
-  /**
+  return result;
+};
+
+/**
  * Remove unknown types
  * Limit items to max number
+ * Modifies the array.
  */
-  private cleanupItems(accountId: string): void {
-    if (!this.storedData.itemsMap.hasOwnProperty(accountId)) {
-      return;
+const cleanupItems = (items: Item[], accountName: string): Item[] => {
+  if (accountName === undefined) {
+    return [];
   }
 
-    const itemsArray = this.storedData.itemsMap[accountId]
-      .filter((item) => item.type in Type)
-      .slice(0, MostRecentActivity.itemsMaxNumber);
+  const itemsArray = items.filter((item) => item.type in Type).slice(0, itemsMaxNumber);
   if (itemsArray.length === 0) {
-      delete this.storedData.itemsMap[accountId];
-    } else {
-      this.storedData.itemsMap[accountId] = itemsArray;
+    deleteState({
+      componentName: AppStateComponentNames.MostRecentActivity,
+      globalAccountName: accountName,
+    });
   }
-  }
-}
+  return itemsArray;
+};
 
-export const mostRecentActivity = new MostRecentActivity();
+migrateOldData();

src/Explorer/Notebook/useNotebook.ts

@@ -1,5 +1,6 @@
 import { isPublicInternetAccessAllowed } from "Common/DatabaseAccountUtility";
 import { PhoenixClient } from "Phoenix/PhoenixClient";
+import { useNewPortalBackendEndpoint } from "Utils/EndpointUtils";
 import { cloneDeep } from "lodash";
 import create, { UseStore } from "zustand";
 import { AuthType } from "../../AuthType";
@@ -127,7 +128,9 @@ export const useNotebook: UseStore<NotebookState> = create((set, get) => ({
       userContext.apiType === "Postgres" || userContext.apiType === "VCoreMongo"
         ? databaseAccount?.location
         : databaseAccount?.properties?.writeLocations?.[0]?.locationName.toLowerCase();
-    const disallowedLocationsUri = `${configContext.BACKEND_ENDPOINT}/api/disallowedLocations`;
+    const disallowedLocationsUri: string = useNewPortalBackendEndpoint(Constants.BackendApi.DisallowedLocations)
+      ? `${configContext.PORTAL_BACKEND_ENDPOINT}/api/disallowedlocations`
+      : `${configContext.BACKEND_ENDPOINT}/api/disallowedLocations`;
     const authorizationHeader = getAuthorizationHeader();
     try {
       const response = await fetch(disallowedLocationsUri, {

src/Explorer/Panes/SettingsPane/SettingsPane.tsx

@@ -1,22 +1,25 @@
 import {
   Checkbox,
   ChoiceGroup,
+  DefaultButton,
   IChoiceGroupOption,
   ISpinButtonStyles,
   IToggleStyles,
-  Icon,
   MessageBar,
   MessageBarType,
   Position,
   SpinButton,
   Toggle,
-  TooltipHost,
 } from "@fluentui/react";
+import { Accordion, AccordionHeader, AccordionItem, AccordionPanel, makeStyles } from "@fluentui/react-components";
+import { AuthType } from "AuthType";
 import * as Constants from "Common/Constants";
 import { SplitterDirection } from "Common/Splitter";
 import { InfoTooltip } from "Common/Tooltip/InfoTooltip";
 import { Platform, configContext } from "ConfigContext";
+import { useDialog } from "Explorer/Controls/Dialog";
 import { useDatabases } from "Explorer/useDatabases";
+import { deleteAllStates } from "Shared/AppStatePersistenceUtility";
 import {
   DefaultRUThreshold,
   LocalStorageUtility,
@@ -29,14 +32,13 @@ import * as StringUtility from "Shared/StringUtility";
 import { updateUserContext, userContext } from "UserContext";
 import { logConsoleError, logConsoleInfo } from "Utils/NotificationConsoleUtils";
 import * as PriorityBasedExecutionUtils from "Utils/PriorityBasedExecutionUtils";
+import { getReadOnlyKeys, listKeys } from "Utils/arm/generatedClients/cosmos/databaseAccounts";
 import { useQueryCopilot } from "hooks/useQueryCopilot";
 import { useSidePanel } from "hooks/useSidePanel";
 import React, { FunctionComponent, useState } from "react";
+import create, { UseStore } from "zustand";
 import Explorer from "../../Explorer";
 import { RightPaneForm, RightPaneFormProps } from "../RightPaneForm/RightPaneForm";
-import { AuthType } from "AuthType";
-import create, { UseStore } from "zustand";
-import { getReadOnlyKeys, listKeys } from "Utils/arm/generatedClients/cosmos/databaseAccounts";
 
 export interface DataPlaneRbacState {
   dataPlaneRbacEnabled: boolean;
@@ -50,6 +52,39 @@ export interface DataPlaneRbacState {
 
 type DataPlaneRbacStore = UseStore<Partial<DataPlaneRbacState>>;
 
+const useStyles = makeStyles({
+  bulletList: {
+    listStyleType: "disc",
+    paddingLeft: "20px",
+  },
+  container: {
+    display: "flex",
+    flexDirection: "column",
+    height: "100%",
+  },
+  firstItem: {
+    flex: "1",
+  },
+  header: {
+    marginRight: "5px",
+  },
+  headerIcon: {
+    paddingTop: "4px",
+    cursor: "pointer",
+  },
+  settingsSectionContainer: {
+    paddingLeft: "15px",
+  },
+  settingsSectionDescription: {
+    paddingBottom: "10px",
+    fontSize: "12px",
+  },
+  subHeader: {
+    marginRight: "5px",
+    fontSize: "12px",
+  },
+});
+
 export const useDataPlaneRbac: DataPlaneRbacStore = create(() => ({
   dataPlaneRbacEnabled: false,
 }));
@@ -133,6 +168,9 @@ export const SettingsPane: FunctionComponent<{ explorer: Explorer }> = ({
   const [copilotSampleDBEnabled, setCopilotSampleDBEnabled] = useState<boolean>(
     LocalStorageUtility.getEntryString(StorageKey.CopilotSampleDBEnabled) === "true",
   );
+
+  const styles = useStyles();
+
   const explorerVersion = configContext.gitSha;
   const shouldShowQueryPageOptions = userContext.apiType === "SQL";
   const shouldShowGraphAutoVizOption = userContext.apiType === "Gremlin";
@@ -153,6 +191,7 @@ export const SettingsPane: FunctionComponent<{ explorer: Explorer }> = ({
 
     LocalStorageUtility.setEntryNumber(StorageKey.CustomItemPerPage, customItemPerPage);
 
+    if (configContext.platform !== Platform.Fabric) {
       LocalStorageUtility.setEntryString(StorageKey.DataPlaneRbacEnabled, enableDataPlaneRBACOption);
       if (
         enableDataPlaneRBACOption === Constants.RBACOptions.setTrueRBACOption ||
@@ -192,6 +231,7 @@ export const SettingsPane: FunctionComponent<{ explorer: Explorer }> = ({
           useDataPlaneRbac.setState({ dataPlaneRbacEnabled: false });
         }
       }
+    }
 
     LocalStorageUtility.setEntryBoolean(StorageKey.RUThresholdEnabled, ruThresholdEnabled);
     LocalStorageUtility.setEntryBoolean(StorageKey.QueryTimeoutEnabled, queryTimeoutEnabled);
@@ -428,18 +468,19 @@ export const SettingsPane: FunctionComponent<{ explorer: Explorer }> = ({
 
   return (
     <RightPaneForm {...genericPaneProps}>
-      <div className="paneMainContent">
+      <div className={`paneMainContent ${styles.container}`}>
+        <Accordion className={styles.firstItem}>
           {shouldShowQueryPageOptions && (
-          <div className="settingsSection">
-            <div className="settingsSectionPart">
-              <fieldset>
-                <legend id="pageOptions" className="settingsSectionLabel legendLabel">
-                  Page Options
-                </legend>
-                <InfoTooltip>
-                  Choose Custom to specify a fixed amount of query results to show, or choose Unlimited to show as many
-                  query results per page.
-                </InfoTooltip>
+            <AccordionItem value="1">
+              <AccordionHeader>
+                <div className={styles.header}>Page Options</div>
+              </AccordionHeader>
+              <AccordionPanel>
+                <div className={styles.settingsSectionContainer}>
+                  <div className={styles.settingsSectionDescription}>
+                    Choose Custom to specify a fixed amount of query results to show, or choose Unlimited to show as
+                    many query results per page.
+                  </div>
                   <ChoiceGroup
                     ariaLabelledBy="pageOptions"
                     selectedKey={pageOption}
@@ -447,14 +488,15 @@ export const SettingsPane: FunctionComponent<{ explorer: Explorer }> = ({
                     styles={choiceButtonStyles}
                     onChange={handleOnPageOptionChange}
                   />
-              </fieldset>
                 </div>
-            <div className="tabs settingsSectionPart">
+                <div className={`tabs ${styles.settingsSectionContainer}`}>
                   {isCustomPageOptionSelected() && (
                     <div className="tabcontent">
-                  <div className="settingsSectionLabel">
-                    Query results per page
-                    <InfoTooltip>Enter the number of query results that should be shown per page.</InfoTooltip>
+                      <div className={styles.settingsSectionDescription}>
+                        Query results per page{" "}
+                        <InfoTooltip className={styles.headerIcon}>
+                          Enter the number of query results that should be shown per page.
+                        </InfoTooltip>
                       </div>
 
                       <SpinButton
@@ -474,34 +516,18 @@ export const SettingsPane: FunctionComponent<{ explorer: Explorer }> = ({
                     </div>
                   )}
                 </div>
-          </div>
+              </AccordionPanel>
+            </AccordionItem>
           )}
-        {userContext.apiType === "SQL" && userContext.authType === AuthType.AAD && (
-          <>
-            <div className="settingsSection">
-              <div className="settingsSectionPart">
-                <fieldset>
-                  <legend id="enableDataPlaneRBACOptions" className="settingsSectionLabel legendLabel">
-                    Enable Entra ID RBAC
-                  </legend>
-                  <TooltipHost
-                    content={
-                      <>
-                        Choose Automatic to enable Entra ID RBAC automatically. True/False to force enable/disable Entra
-                        ID RBAC.
-                        <a
-                          href="https://learn.microsoft.com/en-us/azure/cosmos-db/how-to-setup-rbac#use-data-explorer"
-                          target="_blank"
-                          rel="noopener noreferrer"
-                        >
-                          {" "}
-                          Learn more{" "}
-                        </a>
-                      </>
-                    }
-                  >
-                    <Icon iconName="Info" ariaLabel="Info tooltip" className="panelInfoIcon" tabIndex={0} />
-                  </TooltipHost>
+          {userContext.apiType === "SQL" &&
+            userContext.authType === AuthType.AAD &&
+            configContext.platform !== Platform.Fabric && (
+              <AccordionItem value="2">
+                <AccordionHeader>
+                  <div className={styles.header}>Enable Entra ID RBAC</div>
+                </AccordionHeader>
+                <AccordionPanel>
+                  <div className={styles.settingsSectionContainer}>
                     {showDataPlaneRBACWarning && configContext.platform === Platform.Portal && (
                       <MessageBar
                         messageBarType={MessageBarType.warning}
@@ -513,6 +539,18 @@ export const SettingsPane: FunctionComponent<{ explorer: Explorer }> = ({
                         operations
                       </MessageBar>
                     )}
+                    <div className={styles.settingsSectionDescription}>
+                      Choose Automatic to enable Entra ID RBAC automatically. True/False to force enable/disable Entra
+                      ID RBAC.
+                      <a
+                        href="https://learn.microsoft.com/en-us/azure/cosmos-db/how-to-setup-rbac#use-data-explorer"
+                        target="_blank"
+                        rel="noopener noreferrer"
+                      >
+                        {" "}
+                        Learn more{" "}
+                      </a>
+                    </div>
                     <ChoiceGroup
                       ariaLabelledBy="enableDataPlaneRBACOptions"
                       options={dataPlaneRBACOptionsList}
@@ -520,58 +558,23 @@ export const SettingsPane: FunctionComponent<{ explorer: Explorer }> = ({
                       selectedKey={enableDataPlaneRBACOption}
                       onChange={handleOnDataPlaneRBACOptionChange}
                     />
-                </fieldset>
                   </div>
-            </div>
-          </>
+                </AccordionPanel>
+              </AccordionItem>
             )}
+
           {userContext.apiType === "SQL" && (
             <>
-            <div className="settingsSection">
-              <div className="settingsSectionPart">
-                <div>
-                  <legend id="ruThresholdLabel" className="settingsSectionLabel legendLabel">
-                    RU Threshold
-                  </legend>
-                  <InfoTooltip>If a query exceeds a configured RU threshold, the query will be aborted.</InfoTooltip>
-                </div>
-                <div>
-                  <Toggle
-                    styles={toggleStyles}
-                    label="Enable RU threshold"
-                    onChange={handleOnRUThresholdToggleChange}
-                    defaultChecked={ruThresholdEnabled}
-                  />
-                </div>
-                {ruThresholdEnabled && (
-                  <div>
-                    <SpinButton
-                      label="RU Threshold (RU)"
-                      labelPosition={Position.top}
-                      defaultValue={(ruThreshold || DefaultRUThreshold).toString()}
-                      min={1}
-                      step={1000}
-                      onChange={handleOnRUThresholdSpinButtonChange}
-                      incrementButtonAriaLabel="Increase value by 1000"
-                      decrementButtonAriaLabel="Decrease value by 1000"
-                      styles={spinButtonStyles}
-                    />
-                  </div>
-                )}
-              </div>
-            </div>
-            <div className="settingsSection">
-              <div className="settingsSectionPart">
-                <div>
-                  <legend id="queryTimeoutLabel" className="settingsSectionLabel legendLabel">
-                    Query Timeout
-                  </legend>
-                  <InfoTooltip>
+              <AccordionItem value="3">
+                <AccordionHeader>
+                  <div className={styles.header}>Query Timeout</div>
+                </AccordionHeader>
+                <AccordionPanel>
+                  <div className={styles.settingsSectionContainer}>
+                    <div className={styles.settingsSectionDescription}>
                       When a query reaches a specified time limit, a popup with an option to cancel the query will show
-                    unless automatic cancellation has been enabled
-                  </InfoTooltip>
+                      unless automatic cancellation has been enabled.
                     </div>
-                <div>
                     <Toggle
                       styles={toggleStyles}
                       label="Enable query timeout"
@@ -580,7 +583,7 @@ export const SettingsPane: FunctionComponent<{ explorer: Explorer }> = ({
                     />
                   </div>
                   {queryTimeoutEnabled && (
-                  <div>
+                    <div className={styles.settingsSectionContainer}>
                       <SpinButton
                         label="Query timeout (ms)"
                         labelPosition={Position.top}
@@ -600,17 +603,52 @@ export const SettingsPane: FunctionComponent<{ explorer: Explorer }> = ({
                       />
                     </div>
                   )}
+                </AccordionPanel>
+              </AccordionItem>
+
+              <AccordionItem value="4">
+                <AccordionHeader>
+                  <div className={styles.header}>RU Limit</div>
+                </AccordionHeader>
+                <AccordionPanel>
+                  <div className={styles.settingsSectionContainer}>
+                    <div className={styles.settingsSectionDescription}>
+                      If a query exceeds a configured RU limit, the query will be aborted.
                     </div>
+                    <Toggle
+                      styles={toggleStyles}
+                      label="Enable RU limit"
+                      onChange={handleOnRUThresholdToggleChange}
+                      defaultChecked={ruThresholdEnabled}
+                    />
                   </div>
-            <div className="settingsSection">
-              <div className="settingsSectionPart">
-                <div>
-                  <legend id="defaultQueryResultsView" className="settingsSectionLabel legendLabel">
-                    Default Query Results View
-                  </legend>
-                  <InfoTooltip>Select the default view to use when displaying query results.</InfoTooltip>
+                  {ruThresholdEnabled && (
+                    <div className={styles.settingsSectionContainer}>
+                      <SpinButton
+                        label="RU Limit (RU)"
+                        labelPosition={Position.top}
+                        defaultValue={(ruThreshold || DefaultRUThreshold).toString()}
+                        min={1}
+                        step={1000}
+                        onChange={handleOnRUThresholdSpinButtonChange}
+                        incrementButtonAriaLabel="Increase value by 1000"
+                        decrementButtonAriaLabel="Decrease value by 1000"
+                        styles={spinButtonStyles}
+                      />
+                    </div>
+                  )}
+                </AccordionPanel>
+              </AccordionItem>
+
+              <AccordionItem value="5">
+                <AccordionHeader>
+                  <div className={styles.header}>Default Query Results View</div>
+                </AccordionHeader>
+                <AccordionPanel>
+                  <div className={styles.settingsSectionContainer}>
+                    <div className={styles.settingsSectionDescription}>
+                      Select the default view to use when displaying query results.
                     </div>
-                <div>
                     <ChoiceGroup
                       ariaLabelledBy="defaultQueryResultsView"
                       selectedKey={defaultQueryResultsView}
@@ -619,21 +657,25 @@ export const SettingsPane: FunctionComponent<{ explorer: Explorer }> = ({
                       onChange={handleOnDefaultQueryResultsViewChange}
                     />
                   </div>
-              </div>
-            </div>
+                </AccordionPanel>
+              </AccordionItem>
             </>
           )}
-        <div className="settingsSection">
-          <div className="settingsSectionPart">
-            <div className="settingsSectionLabel">
-              Retry Settings
-              <InfoTooltip>Retry policy associated with throttled requests during CosmosDB queries.</InfoTooltip>
+
+          <AccordionItem value="6">
+            <AccordionHeader>
+              <div className={styles.header}>Retry Settings</div>
+            </AccordionHeader>
+            <AccordionPanel>
+              <div className={styles.settingsSectionContainer}>
+                <div className={styles.settingsSectionDescription}>
+                  Retry policy associated with throttled requests during CosmosDB queries.
                 </div>
                 <div>
-              <legend id="queryRetryAttemptsLabel" className="settingsSectionLabel legendLabel">
-                Max retry attempts
-              </legend>
-              <InfoTooltip>Max number of retries to be performed for a request. Default value 9.</InfoTooltip>
+                  <span className={styles.subHeader}>Max retry attempts</span>
+                  <InfoTooltip className={styles.headerIcon}>
+                    Max number of retries to be performed for a request. Default value 9.
+                  </InfoTooltip>
                 </div>
                 <SpinButton
                   labelPosition={Position.top}
@@ -649,12 +691,10 @@ export const SettingsPane: FunctionComponent<{ explorer: Explorer }> = ({
                   styles={spinButtonStyles}
                 />
                 <div>
-              <legend id="queryRetryAttemptsLabel" className="settingsSectionLabel legendLabel">
-                Fixed retry interval (ms)
-              </legend>
-              <InfoTooltip>
-                Fixed retry interval in milliseconds to wait between each retry ignoring the retryAfter returned as part
-                of the response. Default value is 0 milliseconds.
+                  <span className={styles.subHeader}>Fixed retry interval (ms)</span>
+                  <InfoTooltip className={styles.headerIcon}>
+                    Fixed retry interval in milliseconds to wait between each retry ignoring the retryAfter returned as
+                    part of the response. Default value is 0 milliseconds.
                   </InfoTooltip>
                 </div>
                 <SpinButton
@@ -671,10 +711,8 @@ export const SettingsPane: FunctionComponent<{ explorer: Explorer }> = ({
                   styles={spinButtonStyles}
                 />
                 <div>
-              <legend id="queryRetryAttemptsLabel" className="settingsSectionLabel legendLabel">
-                Max wait time (s)
-              </legend>
-              <InfoTooltip>
+                  <span className={styles.subHeader}>Max wait time (s)</span>
+                  <InfoTooltip className={styles.headerIcon}>
                     Max wait time in seconds to wait for a request while the retries are happening. Default value 30
                     seconds.
                   </InfoTooltip>
@@ -693,14 +731,17 @@ export const SettingsPane: FunctionComponent<{ explorer: Explorer }> = ({
                   styles={spinButtonStyles}
                 />
               </div>
-        </div>
-        <div className="settingsSection">
-          <div className="settingsSectionPart settingsSectionInlineCheckbox">
-            <div className="settingsSectionLabel">
-              Enable container pagination
-              <InfoTooltip>
+            </AccordionPanel>
+          </AccordionItem>
+
+          <AccordionItem value="7">
+            <AccordionHeader>
+              <div className={styles.header}>Enable container pagination</div>
+            </AccordionHeader>
+            <AccordionPanel>
+              <div className={styles.settingsSectionContainer}>
+                <div className={styles.settingsSectionDescription}>
                   Load 50 containers at a time. Currently, containers are not pulled in alphanumeric order.
-              </InfoTooltip>
                 </div>
                 <Checkbox
                   styles={{
@@ -710,20 +751,23 @@ export const SettingsPane: FunctionComponent<{ explorer: Explorer }> = ({
                   ariaLabel="Enable container pagination"
                   checked={containerPaginationEnabled}
                   onChange={() => setContainerPaginationEnabled(!containerPaginationEnabled)}
+                  label="Enable container pagination"
                 />
               </div>
-        </div>
-        {shouldShowCrossPartitionOption && (
-          <div className="settingsSection">
-            <div className="settingsSectionPart settingsSectionInlineCheckbox">
-              <div className="settingsSectionLabel">
-                Enable cross-partition query
-                <InfoTooltip>
-                  Send more than one request while executing a query. More than one request is necessary if the query is
-                  not scoped to single partition key value.
-                </InfoTooltip>
-              </div>
+            </AccordionPanel>
+          </AccordionItem>
 
+          {shouldShowCrossPartitionOption && (
+            <AccordionItem value="8">
+              <AccordionHeader>
+                <div className={styles.header}>Enable cross-partition query</div>
+              </AccordionHeader>
+              <AccordionPanel>
+                <div className={styles.settingsSectionContainer}>
+                  <div className={styles.settingsSectionDescription}>
+                    Send more than one request while executing a query. More than one request is necessary if the query
+                    is not scoped to single partition key value.
+                  </div>
                   <Checkbox
                     styles={{
                       label: { padding: 0 },
@@ -732,22 +776,25 @@ export const SettingsPane: FunctionComponent<{ explorer: Explorer }> = ({
                     ariaLabel="Enable cross partition query"
                     checked={crossPartitionQueryEnabled}
                     onChange={() => setCrossPartitionQueryEnabled(!crossPartitionQueryEnabled)}
+                    label="Enable cross-partition query"
                   />
                 </div>
-          </div>
+              </AccordionPanel>
+            </AccordionItem>
           )}
+
           {shouldShowParallelismOption && (
-          <div className="settingsSection">
-            <div className="settingsSectionPart">
-              <div className="settingsSectionLabel">
-                Max degree of parallelism
-                <InfoTooltip>
+            <AccordionItem value="9">
+              <AccordionHeader>
+                <div className={styles.header}>Max degree of parallelism</div>
+              </AccordionHeader>
+              <AccordionPanel>
+                <div className={styles.settingsSectionContainer}>
+                  <div className={styles.settingsSectionDescription}>
                     Gets or sets the number of concurrent operations run client side during parallel query execution. A
                     positive property value limits the number of concurrent operations to the set value. If it is set to
                     less than 0, the system automatically decides the number of concurrent operations to run.
-                </InfoTooltip>
                   </div>
-
                   <SpinButton
                     min={-1}
                     step={1}
@@ -755,26 +802,33 @@ export const SettingsPane: FunctionComponent<{ explorer: Explorer }> = ({
                     role="textbox"
                     id="max-degree"
                     value={"" + maxDegreeOfParallelism}
-                onIncrement={(newValue) => setMaxDegreeOfParallelism(parseInt(newValue) + 1 || maxDegreeOfParallelism)}
-                onDecrement={(newValue) => setMaxDegreeOfParallelism(parseInt(newValue) - 1 || maxDegreeOfParallelism)}
+                    onIncrement={(newValue) =>
+                      setMaxDegreeOfParallelism(parseInt(newValue) + 1 || maxDegreeOfParallelism)
+                    }
+                    onDecrement={(newValue) =>
+                      setMaxDegreeOfParallelism(parseInt(newValue) - 1 || maxDegreeOfParallelism)
+                    }
                     onValidate={(newValue) => setMaxDegreeOfParallelism(parseInt(newValue) || maxDegreeOfParallelism)}
                     ariaLabel="Max degree of parallelism"
+                    label="Max degree of parallelism"
                   />
                 </div>
-          </div>
+              </AccordionPanel>
+            </AccordionItem>
           )}
+
           {shouldShowPriorityLevelOption && (
-          <div className="settingsSection">
-            <div className="settingsSectionPart">
-              <fieldset>
-                <legend id="priorityLevel" className="settingsSectionLabel legendLabel">
-                  Priority Level
-                </legend>
-                <InfoTooltip>
+            <AccordionItem value="10">
+              <AccordionHeader>
+                <div className={styles.header}>Priority Level</div>
+              </AccordionHeader>
+              <AccordionPanel>
+                <div className={styles.settingsSectionContainer}>
+                  <div className={styles.settingsSectionDescription}>
                     Sets the priority level for data-plane requests from Data Explorer when using Priority-Based
                     Execution. If &quot;None&quot; is selected, Data Explorer will not specify priority level, and the
                     server-side default priority level will be used.
-                </InfoTooltip>
+                  </div>
                   <ChoiceGroup
                     ariaLabelledBy="priorityLevel"
                     selectedKey={priorityLevel}
@@ -782,21 +836,22 @@ export const SettingsPane: FunctionComponent<{ explorer: Explorer }> = ({
                     styles={choiceButtonStyles}
                     onChange={handleOnPriorityLevelOptionChange}
                   />
-              </fieldset>
-            </div>
                 </div>
+              </AccordionPanel>
+            </AccordionItem>
           )}
-        {shouldShowGraphAutoVizOption && (
-          <div className="settingsSection">
-            <div className="settingsSectionPart">
-              <div className="settingsSectionLabel">
-                Display Gremlin query results as:&nbsp;
-                <InfoTooltip>
-                  Select Graph to automatically visualize the query results as a Graph or JSON to display the results as
-                  JSON.
-                </InfoTooltip>
-              </div>
 
+          {shouldShowGraphAutoVizOption && (
+            <AccordionItem value="11">
+              <AccordionHeader>
+                <div className={styles.header}>Display Gremlin query results as:&nbsp;</div>
+              </AccordionHeader>
+              <AccordionPanel>
+                <div className={styles.settingsSectionContainer}>
+                  <div className={styles.settingsSectionDescription}>
+                    Select Graph to automatically visualize the query results as a Graph or JSON to display the results
+                    as JSON.
+                  </div>
                   <ChoiceGroup
                     selectedKey={graphAutoVizDisabled}
                     options={graphAutoOptionList}
@@ -804,20 +859,22 @@ export const SettingsPane: FunctionComponent<{ explorer: Explorer }> = ({
                     aria-label="Graph Auto-visualization"
                   />
                 </div>
-          </div>
+              </AccordionPanel>
+            </AccordionItem>
           )}
-        {shouldShowCopilotSampleDBOption && (
-          <div className="settingsSection">
-            <div className="settingsSectionPart settingsSectionInlineCheckbox">
-              <div className="settingsSectionLabel">
-                Enable sample database
-                <InfoTooltip>
-                  This is a sample database and collection with synthetic product data you can use to explore using
-                  NoSQL queries and Query Advisor. This will appear as another database in the Data Explorer UI, and is
-                  created by, and maintained by Microsoft at no cost to you.
-                </InfoTooltip>
-              </div>
 
+          {shouldShowCopilotSampleDBOption && (
+            <AccordionItem value="12">
+              <AccordionHeader>
+                <div className={styles.header}>Enable sample database</div>
+              </AccordionHeader>
+              <AccordionPanel>
+                <div className={styles.settingsSectionContainer}>
+                  <div className={styles.settingsSectionDescription}>
+                    This is a sample database and collection with synthetic product data you can use to explore using
+                    NoSQL queries and Query Advisor. This will appear as another database in the Data Explorer UI, and
+                    is created by, and maintained by Microsoft at no cost to you.
+                  </div>
                   <Checkbox
                     styles={{
                       label: { padding: 0 },
@@ -826,10 +883,42 @@ export const SettingsPane: FunctionComponent<{ explorer: Explorer }> = ({
                     ariaLabel="Enable sample db for Query Advisor"
                     checked={copilotSampleDBEnabled}
                     onChange={handleSampleDatabaseChange}
+                    label="Enable sample database"
                   />
                 </div>
-          </div>
+              </AccordionPanel>
+            </AccordionItem>
           )}
+        </Accordion>
+
+        <div className="settingsSection">
+          <div className="settingsSectionPart">
+            <DefaultButton
+              onClick={() => {
+                useDialog.getState().showOkCancelModalDialog(
+                  "Clear History",
+                  undefined,
+                  "Are you sure you want to proceed?",
+                  () => deleteAllStates(),
+                  "Cancel",
+                  undefined,
+                  <>
+                    <span>
+                      This action will clear the all customizations for this account in this browser, including:
+                    </span>
+                    <ul className={styles.bulletList}>
+                      <li>Reset your customized tab layout, including the splitter positions</li>
+                      <li>Erase your table column preferences, including any custom columns</li>
+                      <li>Clear your filter history</li>
+                    </ul>
+                  </>,
+                );
+              }}
+            >
+              Clear History
+            </DefaultButton>
+          </div>
+        </div>
         <div className="settingsSection">
           <div className="settingsSectionPart">
             <div className="settingsSectionLabel">Explorer Version</div>

src/Explorer/Panes/SettingsPane/__snapshots__/SettingsPane.test.tsx.snap

@@ -8,24 +8,30 @@ exports[`Settings Pane should render Default properly 1`] = `
   submitButtonText="Apply"
 >
   <div
-    className="paneMainContent"
+    className="paneMainContent ___133e6fg_0000000 f22iagw f1vx9l62 f1l02sjl"
   >
+    <Accordion
+      className="___1uf6361_0000000 fz7g6wx"
+    >
+      <AccordionItem
+        value="1"
+      >
+        <AccordionHeader>
           <div
-      className="settingsSection"
-    >
-      <div
-        className="settingsSectionPart"
-      >
-        <fieldset>
-          <legend
-            className="settingsSectionLabel legendLabel"
-            id="pageOptions"
+            className="___15c001r_0000000 fq02s40"
           >
             Page Options
-          </legend>
-          <InfoTooltip>
+          </div>
+        </AccordionHeader>
+        <AccordionPanel>
+          <div
+            className="___1dfa554_0000000 fo7qwa0"
+          >
+            <div
+              className="___10gar1i_0000000 f1fow5ox f1ugzwwg"
+            >
               Choose Custom to specify a fixed amount of query results to show, or choose Unlimited to show as many query results per page.
-          </InfoTooltip>
+            </div>
             <StyledChoiceGroup
               ariaLabelledBy="pageOptions"
               onChange={[Function]}
@@ -66,19 +72,21 @@ exports[`Settings Pane should render Default properly 1`] = `
                 }
               }
             />
-        </fieldset>
           </div>
           <div
-        className="tabs settingsSectionPart"
+            className="tabs ___1dfa554_0000000 fo7qwa0"
           >
             <div
               className="tabcontent"
             >
               <div
-            className="settingsSectionLabel"
+                className="___10gar1i_0000000 f1fow5ox f1ugzwwg"
               >
                 Query results per page
-            <InfoTooltip>
+                 
+                <InfoTooltip
+                  className="___vtc5hy0_0000000 f10ra9hq f1k6fduh"
+                >
                   Enter the number of query results that should be shown per page.
                 </InfoTooltip>
               </div>
@@ -96,28 +104,30 @@ exports[`Settings Pane should render Default properly 1`] = `
               />
             </div>
           </div>
-    </div>
+        </AccordionPanel>
+      </AccordionItem>
+      <AccordionItem
+        value="3"
+      >
+        <AccordionHeader>
           <div
-      className="settingsSection"
+            className="___15c001r_0000000 fq02s40"
+          >
+            Query Timeout
+          </div>
+        </AccordionHeader>
+        <AccordionPanel>
+          <div
+            className="___1dfa554_0000000 fo7qwa0"
           >
             <div
-        className="settingsSectionPart"
+              className="___10gar1i_0000000 f1fow5ox f1ugzwwg"
             >
-        <div>
-          <legend
-            className="settingsSectionLabel legendLabel"
-            id="ruThresholdLabel"
-          >
-            RU Threshold
-          </legend>
-          <InfoTooltip>
-            If a query exceeds a configured RU threshold, the query will be aborted.
-          </InfoTooltip>
+              When a query reaches a specified time limit, a popup with an option to cancel the query will show unless automatic cancellation has been enabled.
             </div>
-        <div>
             <StyledToggleBase
-            defaultChecked={true}
-            label="Enable RU threshold"
+              defaultChecked={false}
+              label="Enable query timeout"
               onChange={[Function]}
               styles={
                 {
@@ -135,12 +145,55 @@ exports[`Settings Pane should render Default properly 1`] = `
               }
             />
           </div>
-        <div>
+        </AccordionPanel>
+      </AccordionItem>
+      <AccordionItem
+        value="4"
+      >
+        <AccordionHeader>
+          <div
+            className="___15c001r_0000000 fq02s40"
+          >
+            RU Limit
+          </div>
+        </AccordionHeader>
+        <AccordionPanel>
+          <div
+            className="___1dfa554_0000000 fo7qwa0"
+          >
+            <div
+              className="___10gar1i_0000000 f1fow5ox f1ugzwwg"
+            >
+              If a query exceeds a configured RU limit, the query will be aborted.
+            </div>
+            <StyledToggleBase
+              defaultChecked={true}
+              label="Enable RU limit"
+              onChange={[Function]}
+              styles={
+                {
+                  "container": {},
+                  "label": {
+                    "display": "block",
+                    "fontSize": 12,
+                    "fontWeight": 400,
+                  },
+                  "pill": {},
+                  "root": {},
+                  "text": {},
+                  "thumb": {},
+                }
+              }
+            />
+          </div>
+          <div
+            className="___1dfa554_0000000 fo7qwa0"
+          >
             <StyledSpinButton
               decrementButtonAriaLabel="Decrease value by 1000"
               defaultValue="5000"
               incrementButtonAriaLabel="Increase value by 1000"
-            label="RU Threshold (RU)"
+              label="RU Limit (RU)"
               labelPosition={0}
               min={1}
               onChange={[Function]}
@@ -163,66 +216,27 @@ exports[`Settings Pane should render Default properly 1`] = `
               }
             />
           </div>
-      </div>
-    </div>
+        </AccordionPanel>
+      </AccordionItem>
+      <AccordionItem
+        value="5"
+      >
+        <AccordionHeader>
           <div
-      className="settingsSection"
-    >
-      <div
-        className="settingsSectionPart"
-      >
-        <div>
-          <legend
-            className="settingsSectionLabel legendLabel"
-            id="queryTimeoutLabel"
-          >
-            Query Timeout
-          </legend>
-          <InfoTooltip>
-            When a query reaches a specified time limit, a popup with an option to cancel the query will show unless automatic cancellation has been enabled
-          </InfoTooltip>
-        </div>
-        <div>
-          <StyledToggleBase
-            defaultChecked={false}
-            label="Enable query timeout"
-            onChange={[Function]}
-            styles={
-              {
-                "container": {},
-                "label": {
-                  "display": "block",
-                  "fontSize": 12,
-                  "fontWeight": 400,
-                },
-                "pill": {},
-                "root": {},
-                "text": {},
-                "thumb": {},
-              }
-            }
-          />
-        </div>
-      </div>
-    </div>
-    <div
-      className="settingsSection"
-    >
-      <div
-        className="settingsSectionPart"
-      >
-        <div>
-          <legend
-            className="settingsSectionLabel legendLabel"
-            id="defaultQueryResultsView"
+            className="___15c001r_0000000 fq02s40"
           >
             Default Query Results View
-          </legend>
-          <InfoTooltip>
-            Select the default view to use when displaying query results.
-          </InfoTooltip>
           </div>
-        <div>
+        </AccordionHeader>
+        <AccordionPanel>
+          <div
+            className="___1dfa554_0000000 fo7qwa0"
+          >
+            <div
+              className="___10gar1i_0000000 f1fow5ox f1ugzwwg"
+            >
+              Select the default view to use when displaying query results.
+            </div>
             <StyledChoiceGroup
               ariaLabelledBy="defaultQueryResultsView"
               onChange={[Function]}
@@ -238,7 +252,7 @@ exports[`Settings Pane should render Default properly 1`] = `
                   },
                 ]
               }
-            selectedKey="vertical"
+              selectedKey="horizontal"
               styles={
                 {
                   "flexContainer": [
@@ -264,30 +278,36 @@ exports[`Settings Pane should render Default properly 1`] = `
               }
             />
           </div>
-      </div>
-    </div>
-    <div
-      className="settingsSection"
+        </AccordionPanel>
+      </AccordionItem>
+      <AccordionItem
+        value="6"
       >
+        <AccordionHeader>
           <div
-        className="settingsSectionPart"
-      >
-        <div
-          className="settingsSectionLabel"
+            className="___15c001r_0000000 fq02s40"
           >
             Retry Settings
-          <InfoTooltip>
+          </div>
+        </AccordionHeader>
+        <AccordionPanel>
+          <div
+            className="___1dfa554_0000000 fo7qwa0"
+          >
+            <div
+              className="___10gar1i_0000000 f1fow5ox f1ugzwwg"
+            >
               Retry policy associated with throttled requests during CosmosDB queries.
-          </InfoTooltip>
             </div>
             <div>
-          <legend
-            className="settingsSectionLabel legendLabel"
-            id="queryRetryAttemptsLabel"
+              <span
+                className="___zls1px0_0000000 fq02s40 f1ugzwwg"
               >
                 Max retry attempts
-          </legend>
-          <InfoTooltip>
+              </span>
+              <InfoTooltip
+                className="___vtc5hy0_0000000 f10ra9hq f1k6fduh"
+              >
                 Max number of retries to be performed for a request. Default value 9.
               </InfoTooltip>
             </div>
@@ -320,13 +340,14 @@ exports[`Settings Pane should render Default properly 1`] = `
               value="9"
             />
             <div>
-          <legend
-            className="settingsSectionLabel legendLabel"
-            id="queryRetryAttemptsLabel"
+              <span
+                className="___zls1px0_0000000 fq02s40 f1ugzwwg"
               >
                 Fixed retry interval (ms)
-          </legend>
-          <InfoTooltip>
+              </span>
+              <InfoTooltip
+                className="___vtc5hy0_0000000 f10ra9hq f1k6fduh"
+              >
                 Fixed retry interval in milliseconds to wait between each retry ignoring the retryAfter returned as part of the response. Default value is 0 milliseconds.
               </InfoTooltip>
             </div>
@@ -359,13 +380,14 @@ exports[`Settings Pane should render Default properly 1`] = `
               value="0"
             />
             <div>
-          <legend
-            className="settingsSectionLabel legendLabel"
-            id="queryRetryAttemptsLabel"
+              <span
+                className="___zls1px0_0000000 fq02s40 f1ugzwwg"
               >
                 Max wait time (s)
-          </legend>
-          <InfoTooltip>
+              </span>
+              <InfoTooltip
+                className="___vtc5hy0_0000000 f10ra9hq f1k6fduh"
+              >
                 Max wait time in seconds to wait for a request while the retries are happening. Default value 30 seconds.
               </InfoTooltip>
             </div>
@@ -398,25 +420,32 @@ exports[`Settings Pane should render Default properly 1`] = `
               value="30"
             />
           </div>
-    </div>
-    <div
-      className="settingsSection"
+        </AccordionPanel>
+      </AccordionItem>
+      <AccordionItem
+        value="7"
       >
+        <AccordionHeader>
           <div
-        className="settingsSectionPart settingsSectionInlineCheckbox"
-      >
-        <div
-          className="settingsSectionLabel"
+            className="___15c001r_0000000 fq02s40"
           >
             Enable container pagination
-          <InfoTooltip>
+          </div>
+        </AccordionHeader>
+        <AccordionPanel>
+          <div
+            className="___1dfa554_0000000 fo7qwa0"
+          >
+            <div
+              className="___10gar1i_0000000 f1fow5ox f1ugzwwg"
+            >
               Load 50 containers at a time. Currently, containers are not pulled in alphanumeric order.
-          </InfoTooltip>
             </div>
             <StyledCheckboxBase
               ariaLabel="Enable container pagination"
               checked={false}
               className="padding"
+              label="Enable container pagination"
               onChange={[Function]}
               styles={
                 {
@@ -427,25 +456,32 @@ exports[`Settings Pane should render Default properly 1`] = `
               }
             />
           </div>
-    </div>
-    <div
-      className="settingsSection"
+        </AccordionPanel>
+      </AccordionItem>
+      <AccordionItem
+        value="8"
       >
+        <AccordionHeader>
           <div
-        className="settingsSectionPart settingsSectionInlineCheckbox"
-      >
-        <div
-          className="settingsSectionLabel"
+            className="___15c001r_0000000 fq02s40"
           >
             Enable cross-partition query
-          <InfoTooltip>
+          </div>
+        </AccordionHeader>
+        <AccordionPanel>
+          <div
+            className="___1dfa554_0000000 fo7qwa0"
+          >
+            <div
+              className="___10gar1i_0000000 f1fow5ox f1ugzwwg"
+            >
               Send more than one request while executing a query. More than one request is necessary if the query is not scoped to single partition key value.
-          </InfoTooltip>
             </div>
             <StyledCheckboxBase
               ariaLabel="Enable cross partition query"
               checked={false}
               className="padding"
+              label="Enable cross-partition query"
               onChange={[Function]}
               styles={
                 {
@@ -456,25 +492,32 @@ exports[`Settings Pane should render Default properly 1`] = `
               }
             />
           </div>
-    </div>
-    <div
-      className="settingsSection"
+        </AccordionPanel>
+      </AccordionItem>
+      <AccordionItem
+        value="9"
       >
+        <AccordionHeader>
           <div
-        className="settingsSectionPart"
-      >
-        <div
-          className="settingsSectionLabel"
+            className="___15c001r_0000000 fq02s40"
           >
             Max degree of parallelism
-          <InfoTooltip>
+          </div>
+        </AccordionHeader>
+        <AccordionPanel>
+          <div
+            className="___1dfa554_0000000 fo7qwa0"
+          >
+            <div
+              className="___10gar1i_0000000 f1fow5ox f1ugzwwg"
+            >
               Gets or sets the number of concurrent operations run client side during parallel query execution. A positive property value limits the number of concurrent operations to the set value. If it is set to less than 0, the system automatically decides the number of concurrent operations to run.
-          </InfoTooltip>
             </div>
             <StyledSpinButton
               ariaLabel="Max degree of parallelism"
               className="textfontclr"
               id="max-degree"
+              label="Max degree of parallelism"
               min={-1}
               onDecrement={[Function]}
               onIncrement={[Function]}
@@ -484,6 +527,21 @@ exports[`Settings Pane should render Default properly 1`] = `
               value="6"
             />
           </div>
+        </AccordionPanel>
+      </AccordionItem>
+    </Accordion>
+    <div
+      className="settingsSection"
+    >
+      <div
+        className="settingsSectionPart"
+      >
+        <CustomizedDefaultButton
+          onClick={[Function]}
+        >
+          Clear History
+        </CustomizedDefaultButton>
+      </div>
     </div>
     <div
       className="settingsSection"
@@ -511,30 +569,39 @@ exports[`Settings Pane should render Gremlin properly 1`] = `
   submitButtonText="Apply"
 >
   <div
-    className="paneMainContent"
+    className="paneMainContent ___133e6fg_0000000 f22iagw f1vx9l62 f1l02sjl"
   >
-    <div
-      className="settingsSection"
+    <Accordion
+      className="___1uf6361_0000000 fz7g6wx"
     >
-      <div
-        className="settingsSectionPart"
+      <AccordionItem
+        value="6"
       >
+        <AccordionHeader>
           <div
-          className="settingsSectionLabel"
+            className="___15c001r_0000000 fq02s40"
           >
             Retry Settings
-          <InfoTooltip>
+          </div>
+        </AccordionHeader>
+        <AccordionPanel>
+          <div
+            className="___1dfa554_0000000 fo7qwa0"
+          >
+            <div
+              className="___10gar1i_0000000 f1fow5ox f1ugzwwg"
+            >
               Retry policy associated with throttled requests during CosmosDB queries.
-          </InfoTooltip>
             </div>
             <div>
-          <legend
-            className="settingsSectionLabel legendLabel"
-            id="queryRetryAttemptsLabel"
+              <span
+                className="___zls1px0_0000000 fq02s40 f1ugzwwg"
               >
                 Max retry attempts
-          </legend>
-          <InfoTooltip>
+              </span>
+              <InfoTooltip
+                className="___vtc5hy0_0000000 f10ra9hq f1k6fduh"
+              >
                 Max number of retries to be performed for a request. Default value 9.
               </InfoTooltip>
             </div>
@@ -567,13 +634,14 @@ exports[`Settings Pane should render Gremlin properly 1`] = `
               value="9"
             />
             <div>
-          <legend
-            className="settingsSectionLabel legendLabel"
-            id="queryRetryAttemptsLabel"
+              <span
+                className="___zls1px0_0000000 fq02s40 f1ugzwwg"
               >
                 Fixed retry interval (ms)
-          </legend>
-          <InfoTooltip>
+              </span>
+              <InfoTooltip
+                className="___vtc5hy0_0000000 f10ra9hq f1k6fduh"
+              >
                 Fixed retry interval in milliseconds to wait between each retry ignoring the retryAfter returned as part of the response. Default value is 0 milliseconds.
               </InfoTooltip>
             </div>
@@ -606,13 +674,14 @@ exports[`Settings Pane should render Gremlin properly 1`] = `
               value="0"
             />
             <div>
-          <legend
-            className="settingsSectionLabel legendLabel"
-            id="queryRetryAttemptsLabel"
+              <span
+                className="___zls1px0_0000000 fq02s40 f1ugzwwg"
               >
                 Max wait time (s)
-          </legend>
-          <InfoTooltip>
+              </span>
+              <InfoTooltip
+                className="___vtc5hy0_0000000 f10ra9hq f1k6fduh"
+              >
                 Max wait time in seconds to wait for a request while the retries are happening. Default value 30 seconds.
               </InfoTooltip>
             </div>
@@ -645,25 +714,32 @@ exports[`Settings Pane should render Gremlin properly 1`] = `
               value="30"
             />
           </div>
-    </div>
-    <div
-      className="settingsSection"
+        </AccordionPanel>
+      </AccordionItem>
+      <AccordionItem
+        value="7"
       >
+        <AccordionHeader>
           <div
-        className="settingsSectionPart settingsSectionInlineCheckbox"
-      >
-        <div
-          className="settingsSectionLabel"
+            className="___15c001r_0000000 fq02s40"
           >
             Enable container pagination
-          <InfoTooltip>
+          </div>
+        </AccordionHeader>
+        <AccordionPanel>
+          <div
+            className="___1dfa554_0000000 fo7qwa0"
+          >
+            <div
+              className="___10gar1i_0000000 f1fow5ox f1ugzwwg"
+            >
               Load 50 containers at a time. Currently, containers are not pulled in alphanumeric order.
-          </InfoTooltip>
             </div>
             <StyledCheckboxBase
               ariaLabel="Enable container pagination"
               checked={false}
               className="padding"
+              label="Enable container pagination"
               onChange={[Function]}
               styles={
                 {
@@ -674,20 +750,26 @@ exports[`Settings Pane should render Gremlin properly 1`] = `
               }
             />
           </div>
-    </div>
-    <div
-      className="settingsSection"
+        </AccordionPanel>
+      </AccordionItem>
+      <AccordionItem
+        value="11"
       >
+        <AccordionHeader>
           <div
-        className="settingsSectionPart"
-      >
-        <div
-          className="settingsSectionLabel"
+            className="___15c001r_0000000 fq02s40"
           >
             Display Gremlin query results as: 
-          <InfoTooltip>
+          </div>
+        </AccordionHeader>
+        <AccordionPanel>
+          <div
+            className="___1dfa554_0000000 fo7qwa0"
+          >
+            <div
+              className="___10gar1i_0000000 f1fow5ox f1ugzwwg"
+            >
               Select Graph to automatically visualize the query results as a Graph or JSON to display the results as JSON.
-          </InfoTooltip>
             </div>
             <StyledChoiceGroup
               aria-label="Graph Auto-visualization"
@@ -707,6 +789,21 @@ exports[`Settings Pane should render Gremlin properly 1`] = `
               selectedKey="false"
             />
           </div>
+        </AccordionPanel>
+      </AccordionItem>
+    </Accordion>
+    <div
+      className="settingsSection"
+    >
+      <div
+        className="settingsSectionPart"
+      >
+        <CustomizedDefaultButton
+          onClick={[Function]}
+        >
+          Clear History
+        </CustomizedDefaultButton>
+      </div>
     </div>
     <div
       className="settingsSection"

src/Explorer/Panes/TableColumnSelectionPane/TableColumnSelectionPane.tsx

@@ -0,0 +1,156 @@
+import {
+  Button,
+  Checkbox,
+  CheckboxOnChangeData,
+  InputOnChangeData,
+  makeStyles,
+  SearchBox,
+  SearchBoxChangeEvent,
+  Text,
+} from "@fluentui/react-components";
+import { configContext } from "ConfigContext";
+import { ColumnDefinition } from "Explorer/Tabs/DocumentsTabV2/DocumentsTableComponent";
+import { CosmosFluentProvider, getPlatformTheme } from "Explorer/Theme/ThemeUtil";
+import React from "react";
+import { useSidePanel } from "../../../hooks/useSidePanel";
+
+const useColumnSelectionStyles = makeStyles({
+  paneContainer: {
+    height: "100%",
+    display: "flex",
+  },
+  searchBox: {
+    width: "100%",
+  },
+  checkboxContainer: {
+    display: "flex",
+    flexDirection: "column",
+    flex: 1,
+  },
+  checkboxLabel: {
+    padding: "4px 8px",
+    marginBottom: "0px",
+  },
+});
+export interface TableColumnSelectionPaneProps {
+  columnDefinitions: ColumnDefinition[];
+  selectedColumnIds: string[];
+  onSelectionChange: (newSelectedColumnIds: string[]) => void;
+  defaultSelection: string[];
+}
+
+export const TableColumnSelectionPane: React.FC<TableColumnSelectionPaneProps> = ({
+  columnDefinitions,
+  selectedColumnIds,
+  onSelectionChange,
+  defaultSelection,
+}: TableColumnSelectionPaneProps): JSX.Element => {
+  const closeSidePanel = useSidePanel((state) => state.closeSidePanel);
+  const originalSelectedColumnIds = React.useMemo(() => selectedColumnIds, []);
+  const [columnSearchText, setColumnSearchText] = React.useState<string>("");
+  const [newSelectedColumnIds, setNewSelectedColumnIds] = React.useState<string[]>(originalSelectedColumnIds);
+  const styles = useColumnSelectionStyles();
+
+  const selectedColumnIdsSet = new Set(newSelectedColumnIds);
+  const onCheckedValueChange = (id: string, checkedData?: CheckboxOnChangeData): void => {
+    const checked = checkedData?.checked;
+    if (checked === "mixed" || checked === undefined) {
+      return;
+    }
+
+    if (checked) {
+      selectedColumnIdsSet.add(id);
+    } else {
+      /* selectedColumnIds may contain ids that are not in columnDefinitions, because the selected
+       * ids may have been loaded from persistence, but don't exist in the current retrieved documents.
+       */
+
+      if (
+        Array.from(selectedColumnIdsSet).filter((id) => columnDefinitions.find((def) => def.id === id) !== undefined)
+          .length === 1 &&
+        selectedColumnIdsSet.has(id)
+      ) {
+        // Don't allow unchecking the last column
+        return;
+      }
+      selectedColumnIdsSet.delete(id);
+    }
+    setNewSelectedColumnIds([...selectedColumnIdsSet]);
+  };
+
+  const onSave = (): void => {
+    onSelectionChange(newSelectedColumnIds);
+    closeSidePanel();
+  };
+
+  const onSearchChange: (event: SearchBoxChangeEvent, data: InputOnChangeData) => void = (_, data) =>
+    // eslint-disable-next-line react/prop-types
+    setColumnSearchText(data.value);
+
+  const theme = getPlatformTheme(configContext.platform);
+
+  // Filter and move partition keys to the top
+  const columnDefinitionList = columnDefinitions
+    .filter((def) => !columnSearchText || def.label.toLowerCase().includes(columnSearchText.toLowerCase()))
+    .sort((a, b) => {
+      const ID = "id";
+      // "id" always at the top, then partition keys, then everything else sorted
+      if (a.id === ID) {
+        return b.id === ID ? 0 : -1;
+      } else if (b.id === ID) {
+        return a.id === ID ? 0 : 1;
+      } else if (a.isPartitionKey && !b.isPartitionKey) {
+        return -1;
+      } else if (b.isPartitionKey && !a.isPartitionKey) {
+        return 1;
+      } else {
+        return a.label.localeCompare(b.label);
+      }
+    });
+
+  return (
+    <div className={styles.paneContainer}>
+      <CosmosFluentProvider>
+        <div className="panelFormWrapper">
+          <div className="panelMainContent" style={{ display: "flex", flexDirection: "column" }}>
+            <Text>Select which columns to display in your view of items in your container.</Text>
+            <div /* Wrap <SearchBox> to avoid margin-bottom set by panelMainContent css */>
+              <SearchBox
+                className={styles.searchBox}
+                value={columnSearchText}
+                onChange={onSearchChange}
+                placeholder="Search fields"
+              />
+            </div>
+
+            <div className={styles.checkboxContainer}>
+              {columnDefinitionList.map((columnDefinition) => (
+                <Checkbox
+                  style={{ marginBottom: 0 }}
+                  key={columnDefinition.id}
+                  label={{
+                    className: styles.checkboxLabel,
+                    children: `${columnDefinition.label}${columnDefinition.isPartitionKey ? " (partition key)" : ""}`,
+                  }}
+                  checked={selectedColumnIdsSet.has(columnDefinition.id)}
+                  onChange={(_, data) => onCheckedValueChange(columnDefinition.id, data)}
+                />
+              ))}
+            </div>
+            <Button appearance="secondary" size="small" onClick={() => setNewSelectedColumnIds(defaultSelection)}>
+              Reset
+            </Button>
+          </div>
+          <div className="panelFooter" style={{ display: "flex", gap: theme.spacingHorizontalS }}>
+            <Button appearance="primary" onClick={onSave}>
+              Save
+            </Button>
+            <Button appearance="secondary" onClick={closeSidePanel}>
+              Cancel
+            </Button>
+          </div>
+        </div>
+      </CosmosFluentProvider>
+    </div>
+  );
+};

src/Explorer/QueryCopilot/CopilotCarousel.tsx

@@ -171,7 +171,7 @@ export const QueryCopilotCarousel: React.FC<QueryCopilotCarouselProps> = ({
               the query builder.
             </Text>
             <Text style={{ fontSize: 13, fontWeight: 600, marginTop: 24 }}>Database Id</Text>
-            <Text style={{ fontSize: 13 }}>CopilotSampleDb</Text>
+            <Text style={{ fontSize: 13 }}>CopilotSampleDB</Text>
             <Text style={{ fontSize: 13, fontWeight: 600, marginTop: 16 }}>Database throughput (autoscale)</Text>
             <Text style={{ fontSize: 13 }}>Autoscale</Text>
             <Text style={{ fontSize: 13, fontWeight: 600, marginTop: 16 }}>Database Max RU/s</Text>

src/Explorer/QueryCopilot/QueryCopilotPromptbar.tsx

@@ -28,6 +28,8 @@ import {
   SuggestedPrompt,
   getSampleDatabaseSuggestedPrompts,
   getSuggestedPrompts,
+  readPromptHistory,
+  savePromptHistory,
 } from "Explorer/QueryCopilot/QueryCopilotUtilities";
 import { SubmitFeedback, allocatePhoenixContainer } from "Explorer/QueryCopilot/Shared/QueryCopilotClient";
 import { GenerateSQLQueryResponse, QueryCopilotProps } from "Explorer/QueryCopilot/Shared/QueryCopilotInterfaces";
@@ -136,9 +138,7 @@ export const QueryCopilotPromptbar: React.FC<QueryCopilotPromptProps> = ({
   };
 
   const isSampleCopilotActive = useSelectedNode.getState().isQueryCopilotCollectionSelected();
-  const cachedHistoriesString = localStorage.getItem(`${userContext.databaseAccount?.id}-queryCopilotHistories`);
-  const cachedHistories = cachedHistoriesString?.split("|");
-  const [histories, setHistories] = useState<string[]>(cachedHistories || []);
+  const [histories, setHistories] = useState<string[]>(() => readPromptHistory(userContext.databaseAccount));
   const suggestedPrompts: SuggestedPrompt[] = isSampleCopilotActive
     ? getSampleDatabaseSuggestedPrompts()
     : getSuggestedPrompts();
@@ -172,7 +172,7 @@ export const QueryCopilotPromptbar: React.FC<QueryCopilotPromptProps> = ({
     const newHistories = [formattedUserPrompt, ...updatedHistories.slice(0, 2)];
 
     setHistories(newHistories);
-    localStorage.setItem(`${userContext.databaseAccount.id}-queryCopilotHistories`, newHistories.join("|"));
+    savePromptHistory(userContext.databaseAccount, newHistories);
   };
 
   const resetMessageStates = (): void => {

src/Explorer/QueryCopilot/QueryCopilotTab.test.tsx

@@ -1,10 +1,39 @@
 import { shallow } from "enzyme";
+import { CopilotSubComponentNames } from "Explorer/QueryCopilot/QueryCopilotUtilities";
 import React from "react";
+import { AppStateComponentNames, StorePath } from "Shared/AppStatePersistenceUtility";
+import { updateUserContext } from "UserContext";
 import Explorer from "../Explorer";
 import { QueryCopilotTab } from "./QueryCopilotTab";
 
 describe("Query copilot tab snapshot test", () => {
   it("should render with initial input", () => {
+    updateUserContext({
+      databaseAccount: {
+        name: "name",
+        properties: undefined,
+        id: "",
+        location: "",
+        type: "",
+        kind: "",
+      },
+    });
+
+    const loadState = (path: StorePath) => {
+      if (
+        path.componentName === AppStateComponentNames.QueryCopilot &&
+        path.subComponentName === CopilotSubComponentNames.toggleStatus
+      ) {
+        return { enabled: true };
+      } else {
+        return undefined;
+      }
+    };
+
+    jest.mock("Shared/AppStatePersistenceUtility", () => ({
+      loadState,
+    }));
+
     const wrapper = shallow(<QueryCopilotTab explorer={new Explorer()} />);
     expect(wrapper).toMatchSnapshot();
   });

src/Explorer/QueryCopilot/QueryCopilotTab.tsx

@@ -3,9 +3,10 @@ import { Stack } from "@fluentui/react";
 import { QueryCopilotSampleContainerId, QueryCopilotSampleDatabaseId } from "Common/Constants";
 import { CommandButtonComponentProps } from "Explorer/Controls/CommandButton/CommandButtonComponent";
 import { EditorReact } from "Explorer/Controls/Editor/EditorReact";
-import { useCommandBar } from "Explorer/Menus/CommandBar/CommandBarComponentAdapter";
+import { useCommandBar } from "Explorer/Menus/CommandBar/useCommandBar";
 import { SaveQueryPane } from "Explorer/Panes/SaveQueryPane/SaveQueryPane";
 import { QueryCopilotPromptbar } from "Explorer/QueryCopilot/QueryCopilotPromptbar";
+import { readCopilotToggleStatus, saveCopilotToggleStatus } from "Explorer/QueryCopilot/QueryCopilotUtilities";
 import { OnExecuteQueryClick } from "Explorer/QueryCopilot/Shared/QueryCopilotClient";
 import { QueryCopilotProps } from "Explorer/QueryCopilot/Shared/QueryCopilotInterfaces";
 import { QueryCopilotResults } from "Explorer/QueryCopilot/Shared/QueryCopilotResults";
@@ -18,18 +19,13 @@ import SplitterLayout from "react-splitter-layout";
 import QueryCommandIcon from "../../../images/CopilotCommand.svg";
 import ExecuteQueryIcon from "../../../images/ExecuteQuery.svg";
 import SaveQueryIcon from "../../../images/save-cosmos.svg";
-import * as StringUtility from "../../Shared/StringUtility";
 
 export const QueryCopilotTab: React.FC<QueryCopilotProps> = ({ explorer }: QueryCopilotProps): JSX.Element => {
   const { query, setQuery, selectedQuery, setSelectedQuery, isGeneratingQuery } = useQueryCopilot();
 
-  const cachedCopilotToggleStatus: string = localStorage.getItem(
-    `${userContext.databaseAccount?.id}-queryCopilotToggleStatus`,
+  const [copilotActive, setCopilotActive] = useState<boolean>(() =>
+    readCopilotToggleStatus(userContext.databaseAccount),
   );
-  const copilotInitialActive: boolean = cachedCopilotToggleStatus
-    ? StringUtility.toBoolean(cachedCopilotToggleStatus)
-    : true;
-  const [copilotActive, setCopilotActive] = useState<boolean>(copilotInitialActive);
   const [tabActive, setTabActive] = useState<boolean>(true);
 
   const getCommandbarButtons = (): CommandButtonComponentProps[] => {
@@ -88,7 +84,7 @@ export const QueryCopilotTab: React.FC<QueryCopilotProps> = ({ explorer }: Query
 
   const toggleCopilot = (toggle: boolean) => {
     setCopilotActive(toggle);
-    localStorage.setItem(`${userContext.databaseAccount?.id}-queryCopilotToggleStatus`, toggle.toString());
+    saveCopilotToggleStatus(userContext.databaseAccount, toggle);
   };
 
   return (

src/Explorer/QueryCopilot/QueryCopilotUtilities.test.tsx

@@ -90,7 +90,7 @@ describe("QueryCopilotUtilities", () => {
 
       // Mock the items.query method to return the mockResult
       (
-        sampleDataClient().database("CopilotSampleDb").container("SampleContainer").items.query as jest.Mock
+        sampleDataClient().database("CopilotSampleDB").container("SampleContainer").items.query as jest.Mock
       ).mockReturnValue(mockResult);
 
       const result = querySampleDocuments(query, options);
@@ -119,10 +119,10 @@ describe("QueryCopilotUtilities", () => {
       const result = await readSampleDocument(documentId);
 
       expect(sampleDataClient).toHaveBeenCalled();
-      expect(sampleDataClient().database).toHaveBeenCalledWith("CopilotSampleDb");
-      expect(sampleDataClient().database("CopilotSampleDb").container).toHaveBeenCalledWith("SampleContainer");
+      expect(sampleDataClient().database).toHaveBeenCalledWith("CopilotSampleDB");
+      expect(sampleDataClient().database("CopilotSampleDB").container).toHaveBeenCalledWith("SampleContainer");
       expect(
-        sampleDataClient().database("CopilotSampleDb").container("SampleContainer").item("DocumentId", undefined).read,
+        sampleDataClient().database("CopilotSampleDB").container("SampleContainer").item("DocumentId", undefined).read,
       ).toHaveBeenCalled();
       expect(result).toEqual(expectedResponse);
     });
@@ -144,10 +144,10 @@ describe("QueryCopilotUtilities", () => {
       await expect(readSampleDocument(documentId)).rejects.toStrictEqual(errorMock);
 
       expect(sampleDataClient).toHaveBeenCalled();
-      expect(sampleDataClient().database).toHaveBeenCalledWith("CopilotSampleDb");
-      expect(sampleDataClient().database("CopilotSampleDb").container).toHaveBeenCalledWith("SampleContainer");
+      expect(sampleDataClient().database).toHaveBeenCalledWith("CopilotSampleDB");
+      expect(sampleDataClient().database("CopilotSampleDB").container).toHaveBeenCalledWith("SampleContainer");
       expect(
-        sampleDataClient().database("CopilotSampleDb").container("SampleContainer").item("DocumentId", undefined).read,
+        sampleDataClient().database("CopilotSampleDB").container("SampleContainer").item("DocumentId", undefined).read,
       ).toHaveBeenCalled();
       expect(handleError).toHaveBeenCalledWith(errorMock, "ReadDocument", expect.any(String));
     });

src/Explorer/QueryCopilot/QueryCopilotUtilities.ts

@@ -4,8 +4,11 @@ import { handleError } from "Common/ErrorHandlingUtils";
 import { sampleDataClient } from "Common/SampleDataClient";
 import { getPartitionKeyValue } from "Common/dataAccess/getPartitionKeyValue";
 import { getCommonQueryOptions } from "Common/dataAccess/queryDocuments";
+import { DatabaseAccount } from "Contracts/DataModels";
 import DocumentId from "Explorer/Tree/DocumentId";
+import { AppStateComponentNames, loadState, saveState } from "Shared/AppStatePersistenceUtility";
 import { logConsoleProgress } from "Utils/NotificationConsoleUtils";
+import * as StringUtility from "../../Shared/StringUtility";
 
 export interface SuggestedPrompt {
   id: number;
@@ -54,3 +57,110 @@ export const getSuggestedPrompts = (): SuggestedPrompt[] => {
     { id: 3, text: "Find the oldest item added to my collection" },
   ];
 };
+
+// Prompt history persistence
+export enum CopilotSubComponentNames {
+  promptHistory = "PromptHistory",
+  toggleStatus = "ToggleStatus",
+}
+
+const getLegacyHistoryKey = (databaseAccount: DatabaseAccount): string =>
+  `${databaseAccount?.id}-queryCopilotHistories`;
+const getLegacyToggleStatusKey = (databaseAccount: DatabaseAccount): string =>
+  `${databaseAccount?.id}-queryCopilotToggleStatus`;
+
+// Migration only needs to run once
+let hasMigrated = false;
+// Migrate old prompt history to new format
+export const migrateCopilotPersistence = (databaseAccount: DatabaseAccount): void => {
+  if (hasMigrated) {
+    return;
+  }
+
+  let key = getLegacyHistoryKey(databaseAccount);
+  let item = localStorage.getItem(key);
+  if (item !== undefined && item !== null) {
+    const historyItems = item.split("|");
+    saveState(
+      {
+        componentName: AppStateComponentNames.QueryCopilot,
+        subComponentName: CopilotSubComponentNames.promptHistory,
+        globalAccountName: databaseAccount.name,
+        databaseName: undefined,
+        containerName: undefined,
+      },
+      historyItems,
+    );
+
+    localStorage.removeItem(key);
+  }
+
+  key = getLegacyToggleStatusKey(databaseAccount);
+  item = localStorage.getItem(key);
+  if (item !== undefined && item !== null) {
+    saveState(
+      {
+        componentName: AppStateComponentNames.QueryCopilot,
+        subComponentName: CopilotSubComponentNames.toggleStatus,
+        globalAccountName: databaseAccount.name,
+        databaseName: undefined,
+        containerName: undefined,
+      },
+      StringUtility.toBoolean(item),
+    );
+
+    localStorage.removeItem(key);
+  }
+
+  hasMigrated = true;
+};
+
+export const readPromptHistory = (databaseAccount: DatabaseAccount): string[] => {
+  migrateCopilotPersistence(databaseAccount);
+  return (
+    (loadState({
+      componentName: AppStateComponentNames.QueryCopilot,
+      subComponentName: CopilotSubComponentNames.promptHistory,
+      globalAccountName: databaseAccount.name,
+      databaseName: undefined,
+      containerName: undefined,
+    }) as string[]) || []
+  );
+};
+
+export const savePromptHistory = (databaseAccount: DatabaseAccount, historyItems: string[]): void => {
+  saveState(
+    {
+      componentName: AppStateComponentNames.QueryCopilot,
+      subComponentName: CopilotSubComponentNames.promptHistory,
+      globalAccountName: databaseAccount.name,
+      databaseName: undefined,
+      containerName: undefined,
+    },
+    historyItems,
+  );
+};
+
+export const readCopilotToggleStatus = (databaseAccount: DatabaseAccount): boolean => {
+  migrateCopilotPersistence(databaseAccount);
+  return !!loadState({
+    componentName: AppStateComponentNames.QueryCopilot,
+    subComponentName: CopilotSubComponentNames.toggleStatus,
+    globalAccountName: databaseAccount.name,
+    databaseName: undefined,
+    containerName: undefined,
+  }) as boolean;
+};
+
+export const saveCopilotToggleStatus = (databaseAccount: DatabaseAccount, status: boolean): void => {
+  saveState(
+    {
+      componentName: AppStateComponentNames.QueryCopilot,
+      subComponentName: CopilotSubComponentNames.toggleStatus,
+      globalAccountName: databaseAccount.name,
+      databaseName: undefined,
+      containerName: undefined,
+    },
+    status,
+  );
+};

src/Explorer/QueryCopilot/Shared/QueryCopilotClient.ts

@@ -26,7 +26,7 @@ import {
 import { AuthorizationTokenHeaderMetadata, QueryResults } from "Contracts/ViewModels";
 import { useDialog } from "Explorer/Controls/Dialog";
 import Explorer from "Explorer/Explorer";
-import { querySampleDocuments } from "Explorer/QueryCopilot/QueryCopilotUtilities";
+import { querySampleDocuments, readCopilotToggleStatus } from "Explorer/QueryCopilot/QueryCopilotUtilities";
 import { FeedbackParams, GenerateSQLQueryResponse } from "Explorer/QueryCopilot/Shared/QueryCopilotInterfaces";
 import { Action } from "Shared/Telemetry/TelemetryConstants";
 import { traceFailure, traceStart, traceSuccess } from "Shared/Telemetry/TelemetryProcessor";
@@ -36,7 +36,6 @@ import { useNewPortalBackendEndpoint } from "Utils/EndpointUtils";
 import { queryPagesUntilContentPresent } from "Utils/QueryUtils";
 import { QueryCopilotState, useQueryCopilot } from "hooks/useQueryCopilot";
 import { useTabs } from "hooks/useTabs";
-import * as StringUtility from "../../../Shared/StringUtility";
 
 async function fetchWithTimeout(
   url: string,
@@ -361,9 +360,7 @@ export const QueryDocumentsPerPage = async (
       correlationId: useQueryCopilot.getState().correlationId,
     });
   } catch (error) {
-    const isCopilotActive = StringUtility.toBoolean(
-      localStorage.getItem(`${userContext.databaseAccount?.id}-queryCopilotToggleStatus`),
-    );
+    const isCopilotActive = readCopilotToggleStatus(userContext.databaseAccount);
     const errorMessage = getErrorMessage(error);
     traceFailure(Action.ExecuteQueryGeneratedFromQueryCopilot, {
       correlationId: useQueryCopilot.getState().correlationId,

src/Explorer/QueryCopilot/__snapshots__/QueryCopilotTab.test.tsx.snap

@@ -17,38 +17,6 @@ exports[`Query copilot tab snapshot test should render with initial input 1`] =
       }
     }
   >
-    <QueryCopilotPromptbar
-      containerId="SampleContainer"
-      databaseId="CopilotSampleDb"
-      explorer={
-        Explorer {
-          "_isInitializingNotebooks": false,
-          "isFixedCollectionWithSharedThroughputSupported": [Function],
-          "isTabsContentExpanded": [Function],
-          "onRefreshDatabasesKeyPress": [Function],
-          "onRefreshResourcesClick": [Function],
-          "phoenixClient": PhoenixClient {
-            "armResourceId": undefined,
-            "retryOptions": {
-              "maxTimeout": 5000,
-              "minTimeout": 5000,
-              "retries": 3,
-            },
-          },
-          "provideFeedbackEmail": [Function],
-          "queriesClient": QueriesClient {
-            "container": [Circular],
-          },
-          "refreshNotebookList": [Function],
-          "resourceTree": ResourceTreeAdapter {
-            "container": [Circular],
-            "copyNotebook": [Function],
-            "parameters": [Function],
-          },
-        }
-      }
-      toggleCopilot={[Function]}
-    />
     <Stack
       className="tabPaneContentContainer"
     >

src/Explorer/Sidebar.tsx

@@ -1,6 +1,7 @@
 import {
   Button,
   Menu,
+  MenuButton,
   MenuButtonProps,
   MenuItem,
   MenuList,
@@ -25,7 +26,7 @@ import { getCollectionName, getDatabaseName } from "Utils/APITypeUtils";
 import { Allotment, AllotmentHandle } from "allotment";
 import { useSidePanel } from "hooks/useSidePanel";
 import { debounce } from "lodash";
-import React, { useCallback, useEffect, useMemo, useRef } from "react";
+import React, { useCallback, useEffect, useMemo, useRef, useState } from "react";
 
 const useSidebarStyles = makeStyles({
   sidebar: {
@@ -60,6 +61,7 @@ const useSidebarStyles = makeStyles({
     alignItems: "center",
     justifyItems: "center",
     width: "100%",
+    containerType: "size", // Use this container for "@container" queries below this.
     ...cosmosShorthands.borderBottom(),
   },
   loadingProgressBar: {
@@ -83,6 +85,18 @@ const useSidebarStyles = makeStyles({
       },
     },
   },
+  globalCommandsMenuButton: {
+    display: "inline-flex",
+    "@container (min-width: 250px)": {
+      display: "none",
+    },
+  },
+  globalCommandsSplitButton: {
+    display: "none",
+    "@container (min-width: 250px)": {
+      display: "flex",
+    },
+  },
 });
 
 interface GlobalCommandsProps {
@@ -99,6 +113,12 @@ interface GlobalCommand {
 
 const GlobalCommands: React.FC<GlobalCommandsProps> = ({ explorer }) => {
   const styles = useSidebarStyles();
+
+  // Since we have two buttons in the DOM (one for small screens and one for larger screens), we wrap the entire thing in a div.
+  // However, that messes with the Menu positioning, so we need to get a reference to the 'div' to pass to the Menu.
+  // We can't use a ref though, because it would be set after the Menu is rendered, so we use a state value to force a re-render.
+  const [globalCommandButton, setGlobalCommandButton] = useState<HTMLElement | null>(null);
+
   const actions = useMemo<GlobalCommand[]>(() => {
     if (
       configContext.platform === Platform.Fabric ||
@@ -168,16 +188,22 @@ const GlobalCommands: React.FC<GlobalCommandsProps> = ({ explorer }) => {
           {primaryAction.label}
         </Button>
       ) : (
-        <Menu positioning="below-end">
+        <Menu positioning={{ target: globalCommandButton, position: "below", align: "end" }}>
           <MenuTrigger disableButtonEnhancement>
             {(triggerProps: MenuButtonProps) => (
+              <div ref={setGlobalCommandButton}>
                 <SplitButton
                   menuButton={{ ...triggerProps, "aria-label": "More commands" }}
                   primaryActionButton={{ onClick: onPrimaryActionClick }}
+                  className={styles.globalCommandsSplitButton}
                   icon={primaryAction.icon}
                 >
                   {primaryAction.label}
                 </SplitButton>
+                <MenuButton {...triggerProps} icon={primaryAction.icon} className={styles.globalCommandsMenuButton}>
+                  New...
+                </MenuButton>
+              </div>
             )}
           </MenuTrigger>
           <MenuPopover>
@@ -199,7 +225,7 @@ interface SidebarProps {
   explorer: Explorer;
 }
 
-const CollapseThreshold = 50;
+const CollapseThreshold = 140;
 
 export const SidebarContainer: React.FC<SidebarProps> = ({ explorer }) => {
   const styles = useSidebarStyles();
@@ -260,7 +286,7 @@ export const SidebarContainer: React.FC<SidebarProps> = ({ explorer }) => {
       {/* Collections Tree - Start */}
       {hasSidebar && (
         // When collapsed, we force the pane to 24 pixels wide and make it non-resizable.
-        <Allotment.Pane minSize={24} preferredSize={300}>
+        <Allotment.Pane minSize={24} preferredSize={250}>
           <CosmosFluentProvider className={mergeClasses(styles.sidebar)}>
             <div className={styles.sidebarContainer}>
               {loading && (
@@ -314,7 +340,7 @@ export const SidebarContainer: React.FC<SidebarProps> = ({ explorer }) => {
           </CosmosFluentProvider>
         </Allotment.Pane>
       )}
-      <Allotment.Pane minSize={800}>
+      <Allotment.Pane minSize={200}>
         <Tabs explorer={explorer} />
       </Allotment.Pane>
     </Allotment>

src/Explorer/SplashScreen/SplashScreen.tsx

@@ -114,7 +114,7 @@ export class SplashScreen extends React.Component<SplashScreenProps> {
   }
 
   private clearMostRecent = (): void => {
-    MostRecentActivity.mostRecentActivity.clear(userContext.databaseAccount?.id);
+    MostRecentActivity.clear(userContext.databaseAccount?.name);
     this.setState({});
   };
 
@@ -498,7 +498,7 @@ export class SplashScreen extends React.Component<SplashScreenProps> {
   }
 
   private createRecentItems(): SplashScreenItem[] {
-    return MostRecentActivity.mostRecentActivity.getItems(userContext.databaseAccount?.id).map((activity) => {
+    return MostRecentActivity.getItems(userContext.databaseAccount?.name).map((activity) => {
       switch (activity.type) {
         default: {
           const unknownActivity: never = activity;

src/Explorer/Tables/Constants.ts

@@ -155,6 +155,7 @@ export const htmlAttributeNames = {
   dataTableContentTypeAttr: "contentType_attr",
   dataTableSnapshotAttr: "snapshot_attr",
   dataTableRowKeyAttr: "rowKey_attr",
+  dataTablePartitionKeyAttr: "partKey_attr",
   dataTableMessageIdAttr: "messageId_attr",
   dataTableHeaderIndex: "data-column-index",
 };

src/Explorer/Tables/DataTable/DataTableBindingManager.ts

@@ -193,6 +193,9 @@ function getServerData(sSource: any, aoData: any, fnCallback: any, oSettings: an
  * from UI elements.
  */
 function bindClientId(nRow: Node, aData: Entities.ITableEntity) {
+  if (aData.PartitionKey && aData.PartitionKey._) {
+    $(nRow).attr(Constants.htmlAttributeNames.dataTablePartitionKeyAttr, aData.PartitionKey._);
+  }
   $(nRow).attr(Constants.htmlAttributeNames.dataTableRowKeyAttr, aData.RowKey._);
   return nRow;
 }
@@ -205,6 +208,10 @@ function selectionChanged(element: any, valueAccessor: any, allBindings: any, vi
   selected &&
     selected.forEach((b: Entities.ITableEntity) => {
       var sel = DataTableOperations.getRowSelector([
+        {
+          key: Constants.htmlAttributeNames.dataTablePartitionKeyAttr,
+          value: b.PartitionKey && b.PartitionKey._ && b.PartitionKey._.toString(),
+        },
         {
           key: Constants.htmlAttributeNames.dataTableRowKeyAttr,
           value: b.RowKey && b.RowKey._ && b.RowKey._.toString(),
@@ -370,8 +377,9 @@ function updateSelectionStatus(oSettings: any): void {
     for (var i = 0; i < $dataTableRows.length; i++) {
       var $row: JQuery = $dataTableRows.eq(i);
       var rowKey: string = $row.attr(Constants.htmlAttributeNames.dataTableRowKeyAttr);
+      var partitionKey: string = $row.attr(Constants.htmlAttributeNames.dataTablePartitionKeyAttr);
       var table = tableEntityListViewModelMap[oSettings.ajax].tableViewModel;
-      if (table.isItemSelected(table.getTableEntityKeys(rowKey))) {
+      if (table.isItemSelected(table.getTableEntityKeys(rowKey, partitionKey))) {
         $row.attr("tabindex", "0");
       }
     }

src/Explorer/Tables/DataTable/DataTableOperationManager.ts

@@ -56,7 +56,10 @@ export default class DataTableOperationManager {
       // Simply select the first item in this case.
       var lastSelectedItemIndex = lastSelectedItem
         ? this._tableEntityListViewModel.getItemIndexFromCurrentPage(
-            this._tableEntityListViewModel.getTableEntityKeys(lastSelectedItem.RowKey._),
+            this._tableEntityListViewModel.getTableEntityKeys(
+              lastSelectedItem.RowKey._,
+              lastSelectedItem.PartitionKey && lastSelectedItem.PartitionKey._,
+            ),
           )
         : -1;
       var nextIndex: number = isUpArrowKey ? lastSelectedItemIndex - 1 : lastSelectedItemIndex + 1;
@@ -147,13 +150,14 @@ export default class DataTableOperationManager {
   private getEntityIdentity($elem: JQuery<Element>): Entities.ITableEntityIdentity {
     return {
       RowKey: $elem.attr(Constants.htmlAttributeNames.dataTableRowKeyAttr),
+      PartitionKey: $elem.attr(Constants.htmlAttributeNames.dataTablePartitionKeyAttr),
     };
   }
 
   private updateLastSelectedItem($elem: JQuery<Element>, isShiftSelect: boolean) {
     var entityIdentity: Entities.ITableEntityIdentity = this.getEntityIdentity($elem);
     var entity = this._tableEntityListViewModel.getItemFromCurrentPage(
-      this._tableEntityListViewModel.getTableEntityKeys(entityIdentity.RowKey),
+      this._tableEntityListViewModel.getTableEntityKeys(entityIdentity.PartitionKey, entityIdentity.RowKey),
     );
 
     this._tableEntityListViewModel.lastSelectedItem = entity;
@@ -168,7 +172,7 @@ export default class DataTableOperationManager {
       var entityIdentity: Entities.ITableEntityIdentity = this.getEntityIdentity($elem);
 
       this._tableEntityListViewModel.clearSelection();
-      this.addToSelection(entityIdentity.RowKey);
+      this.addToSelection(entityIdentity.RowKey, entityIdentity.PartitionKey);
     }
   }
 
@@ -190,11 +194,11 @@ export default class DataTableOperationManager {
 
       if (
         !this._tableEntityListViewModel.isItemSelected(
-          this._tableEntityListViewModel.getTableEntityKeys(entityIdentity.RowKey),
+          this._tableEntityListViewModel.getTableEntityKeys(entityIdentity.PartitionKey, entityIdentity.RowKey),
         )
       ) {
         // Adding item not previously in selection
-        this.addToSelection(entityIdentity.RowKey);
+        this.addToSelection(entityIdentity.RowKey, entityIdentity.PartitionKey);
       } else {
         koSelected.remove((item: Entities.ITableEntity) => item.RowKey._ === entityIdentity.RowKey);
       }
@@ -212,10 +216,10 @@ export default class DataTableOperationManager {
     if (anchorItem) {
       var entityIdentity: Entities.ITableEntityIdentity = this.getEntityIdentity($elem);
       var elementIndex = this._tableEntityListViewModel.getItemIndexFromAllPages(
-        this._tableEntityListViewModel.getTableEntityKeys(entityIdentity.RowKey),
+        this._tableEntityListViewModel.getTableEntityKeys(entityIdentity.PartitionKey, entityIdentity.RowKey),
       );
       var anchorIndex = this._tableEntityListViewModel.getItemIndexFromAllPages(
-        this._tableEntityListViewModel.getTableEntityKeys(anchorItem.RowKey._),
+        this._tableEntityListViewModel.getTableEntityKeys(anchorItem.PartitionKey._, anchorItem.RowKey._),
       );
 
       var startIndex = Math.min(elementIndex, anchorIndex);
@@ -234,24 +238,25 @@ export default class DataTableOperationManager {
 
     if (
       !this._tableEntityListViewModel.isItemSelected(
-        this._tableEntityListViewModel.getTableEntityKeys(entityIdentity.RowKey),
+        this._tableEntityListViewModel.getTableEntityKeys(entityIdentity.PartitionKey, entityIdentity.RowKey),
       )
     ) {
       if (this._tableEntityListViewModel.selected().length) {
         this._tableEntityListViewModel.clearSelection();
       }
-      this.addToSelection(entityIdentity.RowKey);
+      this.addToSelection(entityIdentity.RowKey, entityIdentity.PartitionKey);
     }
   }
 
-  private addToSelection(rowKey: string) {
+  private addToSelection(rowKey: string, partitionKey?: string) {
     var selectedEntity: Entities.ITableEntity = this._tableEntityListViewModel.getItemFromCurrentPage(
-      this._tableEntityListViewModel.getTableEntityKeys(rowKey),
+      this._tableEntityListViewModel.getTableEntityKeys(rowKey, partitionKey),
     );
 
     if (selectedEntity != null) {
       this._tableEntityListViewModel.selected.push(selectedEntity);
     }
+    console.log(this._tableEntityListViewModel.selected().length);
   }
 
   // Selecting first row if the selection is empty.
@@ -269,7 +274,7 @@ export default class DataTableOperationManager {
       // Clear last selection: lastSelectedItem and lastSelectedAnchorItem
       this._tableEntityListViewModel.clearLastSelected();
 
-      this.addToSelection(firstEntity.RowKey._);
+      this.addToSelection(firstEntity.RowKey._, firstEntity.PartitionKey && firstEntity.PartitionKey._);
 
       // Update last selection
       this._tableEntityListViewModel.lastSelectedItem = firstEntity;

src/Explorer/Tables/DataTable/TableEntityListViewModel.ts

@@ -128,8 +128,14 @@ export default class TableEntityListViewModel extends DataTableViewModel {
     this.sqlQuery = ko.observable<string>("SELECT * FROM c");
   }
 
-  public getTableEntityKeys(rowKey: string): Entities.IProperty[] {
-    return [{ key: Constants.EntityKeyNames.RowKey, value: rowKey }];
+  public getTableEntityKeys(rowKey: string, partitionKey: string): Entities.IProperty[] {
+    const properties: Entities.IProperty[] = [{ key: Constants.EntityKeyNames.RowKey, value: rowKey }];
+
+    if (partitionKey) {
+      properties.push({ key: Constants.EntityKeyNames.PartitionKey, value: partitionKey });
+    }
+
+    return properties;
   }
 
   public reloadTable(useSetting: boolean = true, resetHeaders: boolean = true): DataTables.Api<Element> {
@@ -261,7 +267,8 @@ export default class TableEntityListViewModel extends DataTableViewModel {
     }
     var oldEntityIndex: number = _.findIndex(
       this.cache.data,
-      (data: Entities.ITableEntity) => data.RowKey._ === entity.RowKey._,
+      (data: Entities.ITableEntity) =>
+        data.RowKey._ === entity.RowKey._ && data.PartitionKey._ === entity.PartitionKey._,
     );
 
     this.cache.data.splice(oldEntityIndex, 1, entity);
@@ -285,7 +292,7 @@ export default class TableEntityListViewModel extends DataTableViewModel {
       entities.forEach((entity: Entities.ITableEntity) => {
         var cachedIndex: number = _.findIndex(
           this.cache.data,
-          (e: Entities.ITableEntity) => e.RowKey._ === entity.RowKey._,
+          (e: Entities.ITableEntity) => e.RowKey._ === entity.RowKey._ && e.PartitionKey._ === entity.PartitionKey._,
         );
         if (cachedIndex >= 0) {
           this.cache.data.splice(cachedIndex, 1);
@@ -393,6 +400,16 @@ export default class TableEntityListViewModel extends DataTableViewModel {
     });
   }
 
+  // Override as Tables can have the same Row key in different Partition keys
+  /**
+   * @override
+   */
+  public getItemFromCurrentPage(itemKeys: Entities.IProperty[]): Entities.ITableEntity {
+    return _.find(this.items(), (item: Entities.ITableEntity) => {
+      return this.matchesKeys(item, itemKeys);
+    });
+  }
+
   private prefetchAndRender(
     tableQuery: Entities.ITableQuery,
     tablePageStartIndex: number,

src/Explorer/Tables/Entities.ts

@@ -36,4 +36,5 @@ export interface ITableQuery {
 
 export interface ITableEntityIdentity {
   RowKey: string;
+  PartitionKey?: string;
 }

src/Explorer/Tables/TableDataClient.ts

@@ -753,17 +753,11 @@ export class CassandraAPIDataClient extends TableDataClient {
       CassandraProxyEndpoints.Development,
       CassandraProxyEndpoints.Mpac,
       CassandraProxyEndpoints.Prod,
+      CassandraProxyEndpoints.Fairfax,
+      CassandraProxyEndpoints.Mooncake,
     ];
-    let canAccessCassandraProxy: boolean = userContext.databaseAccount.properties.publicNetworkAccess === "Enabled";
-    if (
-      configContext.CASSANDRA_PROXY_ENDPOINT !== CassandraProxyEndpoints.Development &&
-      userContext.databaseAccount.properties.ipRules?.length > 0
-    ) {
-      canAccessCassandraProxy = canAccessCassandraProxy && configContext.CASSANDRA_PROXY_OUTBOUND_IPS_ALLOWLISTED;
-    }
 
     return (
-      canAccessCassandraProxy &&
       configContext.NEW_CASSANDRA_APIS?.includes(api) &&
       activeCassandraProxyEndpoints.includes(configContext.CASSANDRA_PROXY_ENDPOINT)
     );

src/Explorer/Tabs/DocumentsTabV2/DocumentsTabStateUtil.ts

@@ -0,0 +1,113 @@
+// Definitions of State data
+
+import { ColumnDefinition } from "Explorer/Tabs/DocumentsTabV2/DocumentsTableComponent";
+import {
+  AppStateComponentNames,
+  deleteState,
+  loadState,
+  saveState,
+  saveStateDebounced,
+} from "Shared/AppStatePersistenceUtility";
+import { userContext } from "UserContext";
+import * as ViewModels from "../../../Contracts/ViewModels";
+import { Action } from "../../../Shared/Telemetry/TelemetryConstants";
+import * as TelemetryProcessor from "../../../Shared/Telemetry/TelemetryProcessor";
+
+const componentName = AppStateComponentNames.DocumentsTab;
+
+export enum SubComponentName {
+  ColumnSizes = "ColumnSizes",
+  FilterHistory = "FilterHistory",
+  MainTabDivider = "MainTabDivider",
+  ColumnsSelection = "ColumnsSelection",
+  ColumnSort = "ColumnSort",
+}
+
+export type ColumnSizesMap = { [columnId: string]: WidthDefinition };
+export type FilterHistory = string[];
+export type WidthDefinition = { widthPx: number };
+export type TabDivider = { leftPaneWidthPercent: number };
+export type ColumnsSelection = { selectedColumnIds: string[]; columnDefinitions: ColumnDefinition[] };
+export type ColumnSort = { columnId: string; direction: "ascending" | "descending" };
+
+/**
+ *
+ * @param subComponentName
+ * @param collection
+ * @param defaultValue Will be returned if persisted state is not found
+ * @returns
+ */
+export const readSubComponentState = <T>(
+  subComponentName: SubComponentName,
+  collection: ViewModels.CollectionBase,
+  defaultValue: T,
+): T => {
+  const globalAccountName = userContext.databaseAccount?.name;
+  if (!globalAccountName) {
+    const message = "Database account name not found in userContext";
+    console.error(message);
+    TelemetryProcessor.traceFailure(Action.ReadPersistedTabState, { message, componentName });
+    return defaultValue;
+  }
+
+  const state = loadState({
+    componentName: componentName,
+    subComponentName,
+    globalAccountName,
+    databaseName: collection.databaseId,
+    containerName: collection.id(),
+  }) as T;
+
+  return state || defaultValue;
+};
+
+/**
+ *
+ * @param subComponentName
+ * @param collection
+ * @param state State to save
+ * @param debounce true for high-frequency calls (e.g mouse drag events)
+ */
+export const saveSubComponentState = <T>(
+  subComponentName: SubComponentName,
+  collection: ViewModels.CollectionBase,
+  state: T,
+  debounce?: boolean,
+): void => {
+  const globalAccountName = userContext.databaseAccount?.name;
+  if (!globalAccountName) {
+    const message = "Database account name not found in userContext";
+    console.error(message);
+    TelemetryProcessor.traceFailure(Action.SavePersistedTabState, { message, componentName });
+    return;
+  }
+
+  (debounce ? saveStateDebounced : saveState)(
+    {
+      componentName: componentName,
+      subComponentName,
+      globalAccountName,
+      databaseName: collection.databaseId,
+      containerName: collection.id(),
+    },
+    state,
+  );
+};
+
+export const deleteSubComponentState = (subComponentName: SubComponentName, collection: ViewModels.CollectionBase) => {
+  const globalAccountName = userContext.databaseAccount?.name;
+  if (!globalAccountName) {
+    const message = "Database account name not found in userContext";
+    console.error(message);
+    TelemetryProcessor.traceFailure(Action.DeletePersistedTabState, { message, componentName });
+    return;
+  }
+
+  deleteState({
+    componentName: componentName,
+    subComponentName,
+    globalAccountName,
+    databaseName: collection.databaseId,
+    containerName: collection.id(),
+  });
+};

src/Explorer/Tabs/DocumentsTabV2/DocumentsTabV2.test.tsx

@@ -1,8 +1,11 @@
 import { FeedResponse, ItemDefinition, Resource } from "@azure/cosmos";
+import { waitFor } from "@testing-library/react";
 import { deleteDocuments } from "Common/dataAccess/deleteDocument";
 import { Platform, updateConfigContext } from "ConfigContext";
+import { useDialog } from "Explorer/Controls/Dialog";
 import { EditorReactProps } from "Explorer/Controls/Editor/EditorReact";
-import { useCommandBar } from "Explorer/Menus/CommandBar/CommandBarComponentAdapter";
+import { ProgressModalDialog } from "Explorer/Controls/ProgressModalDialog";
+import { useCommandBar } from "Explorer/Menus/CommandBar/useCommandBar";
 import {
   ButtonsDependencies,
   DELETE_BUTTON_ID,
@@ -13,6 +16,7 @@ import {
   SAVE_BUTTON_ID,
   UPDATE_BUTTON_ID,
   UPLOAD_BUTTON_ID,
+  addStringsNoDuplicate,
   buildQuery,
   getDiscardExistingDocumentChangesButtonState,
   getDiscardNewDocumentChangesButtonState,
@@ -64,12 +68,14 @@ jest.mock("Explorer/Controls/Editor/EditorReact", () => ({
   EditorReact: (props: EditorReactProps) => <>{props.content}</>,
 }));
 
+const mockDialogState = {
+  showOkCancelModalDialog: jest.fn((title: string, subText: string, okLabel: string, onOk: () => void) => onOk()),
+  showOkModalDialog: () => {},
+};
+
 jest.mock("Explorer/Controls/Dialog", () => ({
   useDialog: {
-    getState: jest.fn(() => ({
-      showOkCancelModalDialog: (title: string, subText: string, okLabel: string, onOk: () => void) => onOk(),
-      showOkModalDialog: () => {},
-    })),
+    getState: jest.fn(() => mockDialogState),
   },
 }));
 
@@ -79,6 +85,10 @@ jest.mock("Common/dataAccess/deleteDocument", () => ({
   ),
 }));
 
+jest.mock("Explorer/Controls/ProgressModalDialog", () => ({
+  ProgressModalDialog: jest.fn(() => <></>),
+}));
+
 async function waitForComponentToPaint<P = unknown>(wrapper: ReactWrapper<P> | ShallowWrapper<P>, amount = 0) {
   let newWrapper;
   await act(async () => {
@@ -91,7 +101,13 @@ async function waitForComponentToPaint<P = unknown>(wrapper: ReactWrapper<P> | S
 describe("Documents tab (noSql API)", () => {
   describe("buildQuery", () => {
     it("should generate the right select query for SQL API", () => {
-      expect(buildQuery(false, "")).toContain("select");
+      expect(
+        buildQuery(false, "", ["pk"], {
+          paths: ["pk"],
+          kind: "Hash",
+          version: 2,
+        }),
+      ).toContain("select");
     });
   });
 
@@ -339,7 +355,10 @@ describe("Documents tab (noSql API)", () => {
     const createMockProps = (): IDocumentsTabComponentProps => ({
       isPreferredApiMongoDB: false,
       documentIds: [],
-      collection: undefined,
+      collection: {
+        id: ko.observable<string>("collectionId"),
+        databaseId: "databaseId",
+      } as ViewModels.CollectionBase,
       partitionKey: { kind: "Hash", paths: ["/foo"], version: 2 },
       onLoadStartKey: 0,
       tabTitle: "",
@@ -380,7 +399,7 @@ describe("Documents tab (noSql API)", () => {
         .findWhere((node) => node.text() === "Edit Filter")
         .at(0)
         .simulate("click");
-      expect(wrapper.find("#filterInput").exists()).toBeTruthy();
+      expect(wrapper.find("Input.filterInput").exists()).toBeTruthy();
     });
   });
 
@@ -442,7 +461,7 @@ describe("Documents tab (noSql API)", () => {
         useCommandBar
           .getState()
           .contextButtons.find((button) => button.id === NEW_DOCUMENT_BUTTON_ID)
-          .onCommandClick(undefined);
+          .onCommandClick(undefined, undefined);
       });
       expect(wrapper.findWhere((node) => node.text().includes("replace_with_new_document_id")).exists()).toBeTruthy();
     });
@@ -452,14 +471,36 @@ describe("Documents tab (noSql API)", () => {
         useCommandBar
           .getState()
           .contextButtons.find((button) => button.id === NEW_DOCUMENT_BUTTON_ID)
-          .onCommandClick(undefined);
+          .onCommandClick(undefined, undefined);
       });
 
       expect(useCommandBar.getState().contextButtons.find((button) => button.id === SAVE_BUTTON_ID)).toBeDefined();
       expect(useCommandBar.getState().contextButtons.find((button) => button.id === DISCARD_BUTTON_ID)).toBeDefined();
     });
 
-    it("clicking Delete Document asks for confirmation", () => {
+    it("clicking Delete Document asks for confirmation", async () => {
+      act(async () => {
+        await useCommandBar
+          .getState()
+          .contextButtons.find((button) => button.id === DELETE_BUTTON_ID)
+          .onCommandClick(undefined, undefined);
+      });
+
+      expect(useDialog.getState().showOkCancelModalDialog).toHaveBeenCalled();
+    });
+
+    it("clicking Delete Document for NoSql shows progress dialog", () => {
+      act(() => {
+        useCommandBar
+          .getState()
+          .contextButtons.find((button) => button.id === DELETE_BUTTON_ID)
+          .onCommandClick(undefined, undefined);
+      });
+
+      expect(ProgressModalDialog).toHaveBeenCalled();
+    });
+
+    it("clicking Delete Document eventually calls delete client api", () => {
       const mockDeleteDocuments = deleteDocuments as jest.Mock;
       mockDeleteDocuments.mockClear();
 
@@ -467,10 +508,21 @@ describe("Documents tab (noSql API)", () => {
         useCommandBar
           .getState()
           .contextButtons.find((button) => button.id === DELETE_BUTTON_ID)
-          .onCommandClick(undefined);
+          .onCommandClick(undefined, undefined);
       });
 
-      expect(mockDeleteDocuments).toHaveBeenCalled();
+      // The implementation uses setTimeout, so wait for it to finish
+      waitFor(() => expect(mockDeleteDocuments).toHaveBeenCalled());
     });
   });
 });
+
+describe("Documents tab", () => {
+  it("should add strings to array without duplicate", () => {
+    const array1 = ["a", "b", "c"];
+    const array2 = ["b", "c", "d"];
+
+    const array3 = addStringsNoDuplicate(array1, array2);
+    expect(array3).toEqual(["a", "b", "c", "d"]);
+  });
+});

src/Explorer/Tabs/DocumentsTabV2/DocumentsTabV2Mongo.test.tsx

@@ -1,7 +1,7 @@
-import { deleteDocument } from "Common/MongoProxyClient";
+import { deleteDocuments } from "Common/MongoProxyClient";
 import { Platform, updateConfigContext } from "ConfigContext";
 import { EditorReactProps } from "Explorer/Controls/Editor/EditorReact";
-import { useCommandBar } from "Explorer/Menus/CommandBar/CommandBarComponentAdapter";
+import { useCommandBar } from "Explorer/Menus/CommandBar/useCommandBar";
 import {
   DELETE_BUTTON_ID,
   DISCARD_BUTTON_ID,
@@ -49,7 +49,9 @@ jest.mock("Common/MongoProxyClient", () => ({
       id: "id1",
     }),
   ),
-  deleteDocument: jest.fn(() => Promise.resolve()),
+  deleteDocuments: jest.fn(() => Promise.resolve({ deleteCount: 0, isAcknowledged: true })),
+  ThrottlingError: Error,
+  useMongoProxyEndpoint: jest.fn(() => true),
 }));
 
 jest.mock("Explorer/Controls/Editor/EditorReact", () => ({
@@ -161,7 +163,7 @@ describe("Documents tab (Mongo API)", () => {
         useCommandBar
           .getState()
           .contextButtons.find((button) => button.id === NEW_DOCUMENT_BUTTON_ID)
-          .onCommandClick(undefined);
+          .onCommandClick(undefined, undefined);
       });
       expect(wrapper.findWhere((node) => node.text().includes("replace_with_new_document_id")).exists()).toBeTruthy();
     });
@@ -171,25 +173,25 @@ describe("Documents tab (Mongo API)", () => {
         useCommandBar
           .getState()
           .contextButtons.find((button) => button.id === NEW_DOCUMENT_BUTTON_ID)
-          .onCommandClick(undefined);
+          .onCommandClick(undefined, undefined);
       });
 
       expect(useCommandBar.getState().contextButtons.find((button) => button.id === SAVE_BUTTON_ID)).toBeDefined();
       expect(useCommandBar.getState().contextButtons.find((button) => button.id === DISCARD_BUTTON_ID)).toBeDefined();
     });
 
-    it("clicking Delete Document asks for confirmation", () => {
-      const mockDeleteDocument = deleteDocument as jest.Mock;
-      mockDeleteDocument.mockClear();
+    it("clicking Delete Document eventually calls delete client api", () => {
+      const mockDeleteDocuments = deleteDocuments as jest.Mock;
+      mockDeleteDocuments.mockClear();
 
       act(() => {
         useCommandBar
           .getState()
           .contextButtons.find((button) => button.id === DELETE_BUTTON_ID)
-          .onCommandClick(undefined);
+          .onCommandClick(undefined, undefined);
       });
 
-      expect(mockDeleteDocument).toHaveBeenCalled();
+      expect(mockDeleteDocuments).toHaveBeenCalled();
     });
   });
 });

src/Explorer/Tabs/DocumentsTabV2/DocumentsTableComponent.test.tsx

@@ -1,6 +1,7 @@
 import { TableRowId } from "@fluentui/react-components";
 import { mount } from "enzyme";
 import React from "react";
+import * as ViewModels from "../../../Contracts/ViewModels";
 import { DocumentsTableComponent, IDocumentsTableComponentProps } from "./DocumentsTableComponent";
 
 const PARTITION_KEY_HEADER = "partitionKey";
@@ -20,11 +21,19 @@ describe("DocumentsTableComponent", () => {
       height: 0,
       width: 0,
     },
-    columnHeaders: {
-      idHeader: ID_HEADER,
-      partitionKeyHeaders: [PARTITION_KEY_HEADER],
+    columnDefinitions: [
+      { id: ID_HEADER, label: "ID", isPartitionKey: false },
+      { id: PARTITION_KEY_HEADER, label: "Partition Key", isPartitionKey: true },
+    ],
+    isRowSelectionDisabled: false,
+    collection: {
+      databaseId: "db",
+      id: ((): string => "coll") as ko.Observable<string>,
+    } as ViewModels.CollectionBase,
+    onRefreshTable: (): void => {
+      throw new Error("Function not implemented.");
     },
-    isSelectionDisabled: false,
+    selectedColumnIds: [],
   });
 
   it("should render documents and partition keys in header", () => {
@@ -35,7 +44,7 @@ describe("DocumentsTableComponent", () => {
 
   it("should not render selection column when isSelectionDisabled is true", () => {
     const props: IDocumentsTableComponentProps = createMockProps();
-    props.isSelectionDisabled = true;
+    props.isRowSelectionDisabled = true;
     const wrapper = mount(<DocumentsTableComponent {...props} />);
     expect(wrapper).toMatchSnapshot();
   });

src/Explorer/Tabs/DocumentsTabV2/DocumentsTableComponent.tsx

@@ -1,52 +1,86 @@
 import {
+  Button,
   Menu,
+  MenuDivider,
   MenuItem,
   MenuList,
   MenuPopover,
   MenuTrigger,
   TableRowData as RowStateBase,
+  SortDirection,
   Table,
   TableBody,
   TableCell,
   TableCellLayout,
   TableColumnDefinition,
+  TableColumnId,
   TableColumnSizingOptions,
   TableHeader,
   TableHeaderCell,
   TableRow,
   TableRowId,
   TableSelectionCell,
-  createTableColumn,
+  tokens,
   useArrowNavigationGroup,
   useTableColumnSizing_unstable,
   useTableFeatures,
   useTableSelection,
+  useTableSort,
 } from "@fluentui/react-components";
+import {
+  ArrowClockwise16Regular,
+  ArrowResetRegular,
+  DeleteRegular,
+  EditRegular,
+  MoreHorizontalRegular,
+  TableResizeColumnRegular,
+  TextSortAscendingRegular,
+  TextSortDescendingRegular,
+} from "@fluentui/react-icons";
 import { NormalizedEventKey } from "Common/Constants";
+import { Environment, getEnvironment } from "Common/EnvironmentUtility";
+import { TableColumnSelectionPane } from "Explorer/Panes/TableColumnSelectionPane/TableColumnSelectionPane";
+import {
+  ColumnSizesMap,
+  ColumnSort,
+  deleteSubComponentState,
+  readSubComponentState,
+  saveSubComponentState,
+  SubComponentName,
+} from "Explorer/Tabs/DocumentsTabV2/DocumentsTabStateUtil";
 import { INITIAL_SELECTED_ROW_INDEX, useDocumentsTabStyles } from "Explorer/Tabs/DocumentsTabV2/DocumentsTabV2";
 import { selectionHelper } from "Explorer/Tabs/DocumentsTabV2/SelectionHelper";
 import { LayoutConstants } from "Explorer/Theme/ThemeUtil";
 import { isEnvironmentCtrlPressed, isEnvironmentShiftPressed } from "Utils/KeyboardUtils";
+import { useSidePanel } from "hooks/useSidePanel";
 import React, { useCallback, useMemo } from "react";
 import { FixedSizeList as List, ListChildComponentProps } from "react-window";
+import * as ViewModels from "../../../Contracts/ViewModels";
 
 export type DocumentsTableComponentItem = {
   id: string;
-} & Record<string, string>;
+} & Record<string, string | number>;
 
-export type ColumnHeaders = {
-  idHeader: string;
-  partitionKeyHeaders: string[];
+export type ColumnDefinition = {
+  id: string;
+  label: string;
+  isPartitionKey: boolean;
 };
 export interface IDocumentsTableComponentProps {
+  onRefreshTable: () => void;
   items: DocumentsTableComponentItem[];
   onItemClicked: (index: number) => void;
   onSelectedRowsChange: (selectedItemsIndices: Set<TableRowId>) => void;
   selectedRows: Set<TableRowId>;
   size: { height: number; width: number };
-  columnHeaders: ColumnHeaders;
+  selectedColumnIds: string[];
+  columnDefinitions: ColumnDefinition[];
   style?: React.CSSProperties;
-  isSelectionDisabled?: boolean;
+  isRowSelectionDisabled?: boolean;
+  collection: ViewModels.CollectionBase;
+  onColumnSelectionChange?: (newSelectedColumnIds: string[]) => void;
+  defaultColumnSelection?: string[];
+  isColumnSelectionDisabled?: boolean;
 }
 
 interface TableRowData extends RowStateBase<DocumentsTableComponentItem> {
@@ -59,72 +93,204 @@ interface ReactWindowRenderFnProps extends ListChildComponentProps {
   data: TableRowData[];
 }
 
+const COLUMNS_MENU_NAME = "columnsMenu";
+
+const defaultSize = {
+  idealWidth: 200,
+  minWidth: 50,
+};
 export const DocumentsTableComponent: React.FC<IDocumentsTableComponentProps> = ({
+  onRefreshTable,
   items,
   onSelectedRowsChange,
   selectedRows,
   style,
   size,
-  columnHeaders,
-  isSelectionDisabled,
+  selectedColumnIds,
+  columnDefinitions,
+  isRowSelectionDisabled: isSelectionDisabled,
+  collection,
+  onColumnSelectionChange,
+  defaultColumnSelection,
+  isColumnSelectionDisabled,
 }: IDocumentsTableComponentProps) => {
   const styles = useDocumentsTabStyles();
 
-  const initialSizingOptions: TableColumnSizingOptions = {
-    id: {
-      idealWidth: 280,
+  const [columnSizingOptions, setColumnSizingOptions] = React.useState<TableColumnSizingOptions>(() => {
+    const columnSizesMap: ColumnSizesMap = readSubComponentState(SubComponentName.ColumnSizes, collection, {});
+    const columnSizesPx: TableColumnSizingOptions = {};
+    selectedColumnIds.forEach((columnId) => {
+      if (
+        !columnSizesMap ||
+        !columnSizesMap[columnId] ||
+        columnSizesMap[columnId].widthPx === undefined ||
+        isNaN(columnSizesMap[columnId].widthPx)
+      ) {
+        columnSizesPx[columnId] = defaultSize;
+      } else {
+        columnSizesPx[columnId] = {
+          idealWidth: columnSizesMap[columnId].widthPx,
           minWidth: 50,
-    },
         };
-  columnHeaders.partitionKeyHeaders.forEach((pkHeader) => {
-    initialSizingOptions[pkHeader] = {
-      idealWidth: 200,
-      minWidth: 50,
+      }
+    });
+    return columnSizesPx;
+  });
+
+  const [sortState, setSortState] = React.useState<{
+    sortDirection: "ascending" | "descending";
+    sortColumn: TableColumnId | undefined;
+  }>(() => {
+    const sort = readSubComponentState<ColumnSort>(SubComponentName.ColumnSort, collection, undefined);
+
+    if (!sort) {
+      return {
+        sortDirection: undefined,
+        sortColumn: undefined,
+      };
+    }
+
+    return {
+      sortDirection: sort.direction,
+      sortColumn: sort.columnId,
     };
   });
 
-  const [columnSizingOptions, setColumnSizingOptions] = React.useState<TableColumnSizingOptions>(initialSizingOptions);
-
-  const onColumnResize = React.useCallback((_, { columnId, width }) => {
-    setColumnSizingOptions((state) => ({
+  const onColumnResize = React.useCallback((_, { columnId, width }: { columnId: string; width: number }) => {
+    setColumnSizingOptions((state) => {
+      const newSizingOptions = {
         ...state,
         [columnId]: {
           ...state[columnId],
           idealWidth: width,
         },
-    }));
+      };
+
+      const persistentSizes = Object.keys(newSizingOptions).reduce((acc, key) => {
+        acc[key] = {
+          widthPx: newSizingOptions[key].idealWidth,
+        };
+        return acc;
+      }, {} as ColumnSizesMap);
+
+      saveSubComponentState<ColumnSizesMap>(SubComponentName.ColumnSizes, collection, persistentSizes, true);
+
+      return newSizingOptions;
+    });
   }, []);
 
+  // const restoreFocusTargetAttribute = useRestoreFocusTarget();
+
+  const onSortClick = (event: React.SyntheticEvent, columnId: string, direction: SortDirection) => {
+    setColumnSort(event, columnId, direction);
+
+    if (columnId === undefined || direction === undefined) {
+      deleteSubComponentState(SubComponentName.ColumnSort, collection);
+      return;
+    }
+
+    saveSubComponentState<ColumnSort>(SubComponentName.ColumnSort, collection, { columnId, direction });
+  };
+
   // Columns must be a static object and cannot change on re-renders otherwise React will complain about too many refreshes
   const columns: TableColumnDefinition<DocumentsTableComponentItem>[] = useMemo(
     () =>
-      [
-        createTableColumn<DocumentsTableComponentItem>({
-          columnId: "id",
-          compare: (a, b) => a.id.localeCompare(b.id),
-          renderHeaderCell: () => columnHeaders.idHeader,
+      columnDefinitions
+        .filter((column) => selectedColumnIds.includes(column.id))
+        .map((column) => ({
+          columnId: column.id,
+          compare: (a, b) => {
+            if (typeof a[column.id] === "string") {
+              return (a[column.id] as string).localeCompare(b[column.id] as string);
+            } else if (typeof a[column.id] === "number") {
+              return (a[column.id] as number) - (b[column.id] as number);
+            } else {
+              // Should not happen
+              return 0;
+            }
+          },
+          renderHeaderCell: () => (
+            <>
+              <span title={column.label}>{column.label}</span>
+              <Menu>
+                <MenuTrigger disableButtonEnhancement>
+                  <Button
+                    // {...restoreFocusTargetAttribute}
+                    appearance="transparent"
+                    aria-label="Select column"
+                    size="small"
+                    icon={<MoreHorizontalRegular />}
+                    style={{ position: "absolute", right: 0, backgroundColor: tokens.colorNeutralBackground1 }}
+                  />
+                </MenuTrigger>
+                <MenuPopover>
+                  <MenuList>
+                    <MenuItem key="refresh" icon={<ArrowClockwise16Regular />} onClick={onRefreshTable}>
+                      Refresh
+                    </MenuItem>
+                    {[Environment.Development, Environment.Mpac].includes(getEnvironment()) && (
+                      <>
+                        <MenuItem
+                          icon={<TextSortAscendingRegular />}
+                          onClick={(e) => onSortClick(e, column.id, "ascending")}
+                        >
+                          Sort ascending
+                        </MenuItem>
+                        <MenuItem
+                          icon={<TextSortDescendingRegular />}
+                          onClick={(e) => onSortClick(e, column.id, "descending")}
+                        >
+                          Sort descending
+                        </MenuItem>
+                        <MenuItem icon={<ArrowResetRegular />} onClick={(e) => onSortClick(e, undefined, undefined)}>
+                          Reset sorting
+                        </MenuItem>
+                        {!isColumnSelectionDisabled && (
+                          <MenuItem key="editcolumns" icon={<EditRegular />} onClick={openColumnSelectionPane}>
+                            Edit columns
+                          </MenuItem>
+                        )}
+                        <MenuDivider />
+                      </>
+                    )}
+                    <MenuItem
+                      key="keyboardresize"
+                      icon={<TableResizeColumnRegular />}
+                      onClick={columnSizing.enableKeyboardMode(column.id)}
+                    >
+                      Resize with left/right arrow keys
+                    </MenuItem>
+                    {[Environment.Development, Environment.Mpac].includes(getEnvironment()) &&
+                      !isColumnSelectionDisabled && (
+                        <MenuItem
+                          key="remove"
+                          icon={<DeleteRegular />}
+                          onClick={() => {
+                            // Remove column id from selectedColumnIds
+                            const index = selectedColumnIds.indexOf(column.id);
+                            if (index === -1) {
+                              return;
+                            }
+                            const newSelectedColumnIds = [...selectedColumnIds];
+                            newSelectedColumnIds.splice(index, 1);
+                            onColumnSelectionChange(newSelectedColumnIds);
+                          }}
+                        >
+                          Remove column
+                        </MenuItem>
+                      )}
+                  </MenuList>
+                </MenuPopover>
+              </Menu>
+            </>
+          ),
           renderCell: (item) => (
-            <TableCellLayout truncate title={item.id}>
-              {item.id}
+            <TableCellLayout truncate title={`${item[column.id]}`}>
+              {item[column.id]}
             </TableCellLayout>
           ),
-        }),
-      ].concat(
-        columnHeaders.partitionKeyHeaders.map((pkHeader) =>
-          createTableColumn<DocumentsTableComponentItem>({
-            columnId: pkHeader,
-            compare: (a, b) => a[pkHeader].localeCompare(b[pkHeader]),
-            // Show Refresh button on last column
-            renderHeaderCell: () => <span title={pkHeader}>{pkHeader}</span>,
-            renderCell: (item) => (
-              <TableCellLayout truncate title={item[pkHeader]}>
-                {item[pkHeader]}
-              </TableCellLayout>
-            ),
-          }),
-        ),
-      ),
-    [columnHeaders],
+        })),
+    [columnDefinitions, onColumnSelectionChange, selectedColumnIds],
   );
 
   const [selectionStartIndex, setSelectionStartIndex] = React.useState<number>(INITIAL_SELECTED_ROW_INDEX);
@@ -214,6 +380,7 @@ export const DocumentsTableComponent: React.FC<IDocumentsTableComponentProps> =
     columnSizing_unstable: columnSizing,
     tableRef,
     selection: { allRowsSelected, someRowsSelected, toggleAllRows, toggleRow, isRowSelected },
+    sort: { getSortDirection, setColumnSort, sort },
   } = useTableFeatures(
     {
       columns,
@@ -227,10 +394,20 @@ export const DocumentsTableComponent: React.FC<IDocumentsTableComponentProps> =
         // eslint-disable-next-line react/prop-types
         onSelectionChange: (e, data) => onSelectedRowsChange(data.selectedItems),
       }),
+      useTableSort({
+        sortState,
+        onSortChange: (e, nextSortState) => setSortState(nextSortState),
+      }),
     ],
   );
 
-  const rows: TableRowData[] = getRows((row) => {
+  const headerSortProps = (columnId: TableColumnId) => ({
+    // onClick: (e: React.MouseEvent) => toggleColumnSort(e, columnId),
+    sortDirection: getSortDirection(columnId),
+  });
+
+  const rows: TableRowData[] = sort(
+    getRows((row) => {
       const selected = isRowSelected(row.rowId);
       return {
         ...row,
@@ -244,7 +421,8 @@ export const DocumentsTableComponent: React.FC<IDocumentsTableComponentProps> =
         selected,
         appearance: selected ? ("brand" as const) : ("none" as const),
       };
-  });
+    }),
+  );
 
   const toggleAllKeydown = React.useCallback(
     (e: React.KeyboardEvent<HTMLDivElement>) => {
@@ -271,39 +449,53 @@ export const DocumentsTableComponent: React.FC<IDocumentsTableComponentProps> =
     ...style,
   };
 
+  const checkedValues: { [COLUMNS_MENU_NAME]: string[] } = {
+    [COLUMNS_MENU_NAME]: [],
+  };
+  columnDefinitions.forEach(
+    (columnDefinition) =>
+      selectedColumnIds.includes(columnDefinition.id) && checkedValues[COLUMNS_MENU_NAME].push(columnDefinition.id),
+  );
+
+  const openColumnSelectionPane = (): void => {
+    useSidePanel
+      .getState()
+      .openSidePanel(
+        "Select columns",
+        <TableColumnSelectionPane
+          selectedColumnIds={selectedColumnIds}
+          columnDefinitions={columnDefinitions}
+          onSelectionChange={onColumnSelectionChange}
+          defaultSelection={defaultColumnSelection}
+        />,
+      );
+  };
+
   return (
     <Table noNativeElements {...tableProps}>
-      <TableHeader>
+      <TableHeader className={styles.tableHeader}>
         <TableRow className={styles.tableRow} style={{ width: size ? size.width - 15 : "100%" }}>
           {!isSelectionDisabled && (
             <TableSelectionCell
+              key="selectcell"
               checked={allRowsSelected ? true : someRowsSelected ? "mixed" : false}
               onClick={toggleAllRows}
               onKeyDown={toggleAllKeydown}
               checkboxIndicator={{ "aria-label": "Select all rows " }}
             />
           )}
-          {columns.map((column /* index */) => (
-            <Menu openOnContext key={column.columnId}>
-              <MenuTrigger>
+          {columns.map((column) => (
             <TableHeaderCell
               className={styles.tableCell}
               key={column.columnId}
               {...columnSizing.getTableHeaderCellProps(column.columnId)}
+              {...headerSortProps(column.columnId)}
             >
               {column.renderHeaderCell()}
             </TableHeaderCell>
-              </MenuTrigger>
-              <MenuPopover>
-                <MenuList>
-                  <MenuItem onClick={columnSizing.enableKeyboardMode(column.columnId)}>
-                    Keyboard Column Resizing
-                  </MenuItem>
-                </MenuList>
-              </MenuPopover>
-            </Menu>
           ))}
         </TableRow>
+        <div className={styles.tableHeaderFiller}></div>
       </TableHeader>
       <TableBody>
         <List

src/Explorer/Tabs/DocumentsTabV2/SelectionHelper.ts

@@ -1,3 +1,5 @@
+import { useEffect, useRef } from "react";
+
 /**
  * Utility class to help with selection.
  * This emulates File Explorer selection behavior.
@@ -90,3 +92,12 @@ export const selectionHelper = (
     }
   }
 };
+
+// To get previous values of a state in useEffect
+export const usePrevious = <T>(value: T): T | undefined => {
+  const ref = useRef<T>();
+  useEffect(() => {
+    ref.current = value;
+  });
+  return ref.current;
+};

src/Explorer/Tabs/DocumentsTabV2/__snapshots__/DocumentsTabV2.test.tsx.snap

@@ -38,9 +38,11 @@ exports[`Documents tab (noSql API) when rendered should render the page 1`] = `
         }
       }
     >
-      <Allotment>
+      <Allotment
+        onDragEnd={[Function]}
+      >
         <Allotment.Pane
-          minSize={175}
+          minSize={55}
           preferredSize="35%"
         >
           <div
@@ -52,41 +54,50 @@ exports[`Documents tab (noSql API) when rendered should render the page 1`] = `
               }
             }
           >
-            <div
-              className="___77lcry0_0000000 f10pi13n"
-            >
-              <div
-                className="___1rwkz4r_0000000 f1euv43f f1l8gmrm f1e31b4d f150nix6 fy6ml6n f19g0ac"
-              >
-                <Button
-                  appearance="transparent"
-                  aria-label="Refresh"
-                  icon={<ArrowClockwise16Filled />}
-                  onClick={[Function]}
-                  onKeyDown={[Function]}
-                  size="small"
-                  style={
-                    {
-                      "color": undefined,
-                    }
-                  }
-                />
-              </div>
-            </div>
             <div
               className="___9o87uj0_0000000 ffefeo0"
             >
-              <DocumentsTableComponent
-                columnHeaders={
+              <div
+                style={
                   {
-                    "idHeader": "id",
-                    "partitionKeyHeaders": [],
+                    "height": "100%",
+                    "width": "calc(100% + -11px)",
                   }
                 }
-                isSelectionDisabled={true}
+              >
+                <DocumentsTableComponent
+                  collection={
+                    {
+                      "databaseId": "databaseId",
+                      "id": [Function],
+                    }
+                  }
+                  columnDefinitions={
+                    [
+                      {
+                        "id": "id",
+                        "isPartitionKey": false,
+                        "label": "id",
+                      },
+                    ]
+                  }
+                  defaultColumnSelection={
+                    [
+                      "id",
+                    ]
+                  }
+                  isColumnSelectionDisabled={false}
+                  isRowSelectionDisabled={true}
                   items={[]}
+                  onColumnSelectionChange={[Function]}
                   onItemClicked={[Function]}
+                  onRefreshTable={[Function]}
                   onSelectedRowsChange={[Function]}
+                  selectedColumnIds={
+                    [
+                      "id",
+                    ]
+                  }
                   selectedRows={
                     Set {
                       0,
@@ -95,10 +106,10 @@ exports[`Documents tab (noSql API) when rendered should render the page 1`] = `
                 />
               </div>
             </div>
+          </div>
         </Allotment.Pane>
         <Allotment.Pane
-          minSize={300}
-          preferredSize="65%"
+          minSize={30}
         >
           <div
             style={

src/Explorer/Tabs/NotebookV2Tab.ts

@@ -152,7 +152,6 @@ export default class NotebookTabV2 extends NotebookTabBase {
         ariaLabel: saveLabel,
         children: saveButtonChildren.length && [
           {
-            iconName: "Save",
             onCommandClick: () => this.notebookComponentAdapter.notebookSave(),
             commandButtonLabel: saveLabel,
             hasPopup: false,

src/Explorer/Tabs/QueryTab/ErrorList.tsx

@@ -12,7 +12,7 @@ import {
   createTableColumn,
   tokens,
 } from "@fluentui/react-components";
-import { ErrorCircleFilled, MoreHorizontalRegular, WarningFilled } from "@fluentui/react-icons";
+import { ErrorCircleFilled, MoreHorizontalRegular, QuestionRegular, WarningFilled } from "@fluentui/react-icons";
 import QueryError, { QueryErrorSeverity, compareSeverity } from "Common/QueryError";
 import { useQueryTabStyles } from "Explorer/Tabs/QueryTab/Styles";
 import { useNotificationConsole } from "hooks/useNotificationConsole";
@@ -34,25 +34,32 @@ export const ErrorList: React.FC<{ errors: QueryError[] }> = ({ errors }) => {
     createTableColumn<QueryError>({
       columnId: "code",
       compare: (item1, item2) => item1.code.localeCompare(item2.code),
-      renderHeaderCell: () => null,
-      renderCell: (item) => item.code,
+      renderHeaderCell: () => "Code",
+      renderCell: (item) => <TableCellLayout truncate>{item.code}</TableCellLayout>,
     }),
     createTableColumn<QueryError>({
       columnId: "severity",
       compare: (item1, item2) => compareSeverity(item1.severity, item2.severity),
-      renderHeaderCell: () => null,
-      renderCell: (item) => <TableCellLayout media={severityIcons[item.severity]}>{item.severity}</TableCellLayout>,
+      renderHeaderCell: () => "Severity",
+      renderCell: (item) => (
+        <TableCellLayout truncate media={severityIcons[item.severity]}>
+          {item.severity}
+        </TableCellLayout>
+      ),
     }),
     createTableColumn<QueryError>({
       columnId: "location",
       compare: (item1, item2) => item1.location?.start?.offset - item2.location?.start?.offset,
       renderHeaderCell: () => "Location",
-      renderCell: (item) =>
-        item.location
+      renderCell: (item) => (
+        <TableCellLayout truncate>
+          {item.location
             ? item.location.start.lineNumber
               ? `Line ${item.location.start.lineNumber}`
               : "<unknown>"
-          : "<no location>",
+            : "<no location>"}
+        </TableCellLayout>
+      ),
     }),
     createTableColumn<QueryError>({
       columnId: "message",
@@ -60,8 +67,20 @@ export const ErrorList: React.FC<{ errors: QueryError[] }> = ({ errors }) => {
       renderHeaderCell: () => "Message",
       renderCell: (item) => (
         <div className={styles.errorListMessageCell}>
-          <div className={styles.errorListMessage}>{item.message}</div>
-          <div>
+          <div className={styles.errorListMessage} title={item.message}>
+            {item.message}
+          </div>
+          <div className={styles.errorListMessageActions}>
+            {item.helpLink && (
+              <Button
+                as="a"
+                aria-label="Help"
+                appearance="subtle"
+                icon={<QuestionRegular />}
+                href={item.helpLink}
+                target="_blank"
+              />
+            )}
             <Button
               aria-label="Details"
               appearance="subtle"
@@ -76,9 +95,9 @@ export const ErrorList: React.FC<{ errors: QueryError[] }> = ({ errors }) => {
 
   const columnSizingOptions: TableColumnSizingOptions = {
     code: {
-      minWidth: 75,
-      idealWidth: 75,
-      defaultWidth: 75,
+      minWidth: 90,
+      idealWidth: 90,
+      defaultWidth: 90,
     },
     severity: {
       minWidth: 100,

src/Explorer/Tabs/QueryTab/QueryTabComponent.test.tsx

@@ -2,12 +2,14 @@ import { fireEvent, render } from "@testing-library/react";
 import { CollectionTabKind } from "Contracts/ViewModels";
 import { CopilotProvider } from "Explorer/QueryCopilot/QueryCopilotContext";
 import { QueryCopilotPromptbar } from "Explorer/QueryCopilot/QueryCopilotPromptbar";
+import { CopilotSubComponentNames } from "Explorer/QueryCopilot/QueryCopilotUtilities";
 import {
   IQueryTabComponentProps,
   QueryTabComponent,
   QueryTabCopilotComponent,
 } from "Explorer/Tabs/QueryTab/QueryTabComponent";
 import TabsBase from "Explorer/Tabs/TabsBase";
+import { AppStateComponentNames, StorePath } from "Shared/AppStatePersistenceUtility";
 import { updateUserContext, userContext } from "UserContext";
 import { mount } from "enzyme";
 import { useQueryCopilot } from "hooks/useQueryCopilot";
@@ -16,6 +18,24 @@ import React from "react";
 
 jest.mock("Explorer/Controls/Editor/EditorReact");
 
+const loadState = (path: StorePath) => {
+  if (
+    path.componentName === AppStateComponentNames.QueryCopilot &&
+    path.subComponentName === CopilotSubComponentNames.toggleStatus
+  ) {
+    return true;
+  } else {
+    return undefined;
+  }
+};
+
+jest.mock("Shared/AppStatePersistenceUtility", () => ({
+  loadState,
+  AppStateComponentNames: {
+    QueryCopilot: "QueryCopilot",
+  },
+}));
+
 describe("QueryTabComponent", () => {
   const mockStore = useQueryCopilot.getState();
   beforeEach(() => {
@@ -32,7 +52,7 @@ describe("QueryTabComponent", () => {
       },
     });
     const propsMock: Readonly<IQueryTabComponentProps> = {
-      collection: { databaseId: "CopilotSampleDb" },
+      collection: { databaseId: "CopilotSampleDB" },
       onTabAccessor: () => jest.fn(),
       isExecutionError: false,
       tabId: "mockTabId",
@@ -50,6 +70,17 @@ describe("QueryTabComponent", () => {
   });
 
   it("copilot should be enabled by default when tab is active", () => {
+    updateUserContext({
+      databaseAccount: {
+        name: "name",
+        properties: undefined,
+        id: "",
+        location: "",
+        type: "",
+        kind: "",
+      },
+    });
+
     useQueryCopilot.getState().setCopilotEnabled(true);
     useQueryCopilot.getState().setCopilotUserDBEnabled(true);
     const activeTab = new TabsBase({

src/Explorer/Tabs/QueryTab/QueryTabComponent.tsx

@@ -6,9 +6,11 @@ import { SplitterDirection } from "Common/Splitter";
 import { Platform, configContext } from "ConfigContext";
 import { useDialog } from "Explorer/Controls/Dialog";
 import { monaco } from "Explorer/LazyMonaco";
+import { useCommandBar } from "Explorer/Menus/CommandBar/useCommandBar";
 import { QueryCopilotFeedbackModal } from "Explorer/QueryCopilot/Modal/QueryCopilotFeedbackModal";
 import { useCopilotStore } from "Explorer/QueryCopilot/QueryCopilotContext";
 import { QueryCopilotPromptbar } from "Explorer/QueryCopilot/QueryCopilotPromptbar";
+import { readCopilotToggleStatus, saveCopilotToggleStatus } from "Explorer/QueryCopilot/QueryCopilotUtilities";
 import { OnExecuteQueryClick, QueryDocumentsPerPage } from "Explorer/QueryCopilot/Shared/QueryCopilotClient";
 import { QueryCopilotSidebar } from "Explorer/QueryCopilot/V2/Sidebar/QueryCopilotSidebar";
 import { QueryResultSection } from "Explorer/Tabs/QueryTab/QueryResultSection";
@@ -46,7 +48,6 @@ import { queryDocuments } from "../../../Common/dataAccess/queryDocuments";
 import { queryDocumentsPage } from "../../../Common/dataAccess/queryDocumentsPage";
 import * as DataModels from "../../../Contracts/DataModels";
 import * as ViewModels from "../../../Contracts/ViewModels";
-import * as StringUtility from "../../../Shared/StringUtility";
 import * as TelemetryProcessor from "../../../Shared/Telemetry/TelemetryProcessor";
 import { userContext } from "../../../UserContext";
 import * as QueryUtils from "../../../Utils/QueryUtils";
@@ -54,7 +55,6 @@ import { useSidePanel } from "../../../hooks/useSidePanel";
 import { CommandButtonComponentProps } from "../../Controls/CommandButton/CommandButtonComponent";
 import { EditorReact } from "../../Controls/Editor/EditorReact";
 import Explorer from "../../Explorer";
-import { useCommandBar } from "../../Menus/CommandBar/CommandBarComponentAdapter";
 import { BrowseQueriesPane } from "../../Panes/BrowseQueriesPane/BrowseQueriesPane";
 import { SaveQueryPane } from "../../Panes/SaveQueryPane/SaveQueryPane";
 import TabsBase from "../TabsBase";
@@ -209,13 +209,7 @@ class QueryTabComponentImpl extends React.Component<QueryTabComponentImplProps,
 
   private _queryCopilotActive(): boolean {
     if (this.props.copilotEnabled) {
-      const cachedCopilotToggleStatus: string = localStorage.getItem(
-        `${userContext.databaseAccount?.id}-queryCopilotToggleStatus`,
-      );
-      const copilotInitialActive: boolean = cachedCopilotToggleStatus
-        ? StringUtility.toBoolean(cachedCopilotToggleStatus)
-        : true;
-      return copilotInitialActive;
+      return readCopilotToggleStatus(userContext.databaseAccount);
     }
     return false;
   }
@@ -584,7 +578,7 @@ class QueryTabComponentImpl extends React.Component<QueryTabComponentImplProps,
   private _toggleCopilot = (active: boolean) => {
     this.setState({ copilotActive: active });
     useQueryCopilot.getState().setCopilotEnabledforExecution(active);
-    localStorage.setItem(`${userContext.databaseAccount?.id}-queryCopilotToggleStatus`, active.toString());
+    saveCopilotToggleStatus(userContext.databaseAccount, active);
 
     TelemetryProcessor.traceSuccess(active ? Action.ActivateQueryCopilot : Action.DeactivateQueryCopilot, {
       databaseName: this.props.collection.databaseId,

src/Explorer/Tabs/QueryTab/Styles.ts

@@ -72,6 +72,11 @@ export const useQueryTabStyles = makeStyles({
   metricsGridButtons: {
     ...cosmosShorthands.borderTop(),
   },
+  errorListTableCell: {
+    textOverflow: "ellipsis",
+    whiteSpace: "nowrap",
+    overflow: "hidden",
+  },
   errorListMessageCell: {
     display: "flex",
     flexDirection: "row",
@@ -80,5 +85,12 @@ export const useQueryTabStyles = makeStyles({
   },
   errorListMessage: {
     flexGrow: 1,
+    textOverflow: "ellipsis",
+    whiteSpace: "nowrap",
+    overflow: "hidden",
+  },
+  errorListMessageActions: {
+    display: "flex",
+    flexDirection: "row",
   },
 });

src/Explorer/Tabs/StoredProcedureTab/StoredProcedureTabComponent.tsx

@@ -1,5 +1,6 @@
 import { Resource, StoredProcedureDefinition } from "@azure/cosmos";
 import { Pivot, PivotItem } from "@fluentui/react";
+import { useCommandBar } from "Explorer/Menus/CommandBar/useCommandBar";
 import { KeyboardAction } from "KeyboardShortcuts";
 import React from "react";
 import ExecuteQueryIcon from "../../../../images/ExecuteQuery.svg";
@@ -15,7 +16,6 @@ import { useTabs } from "../../../hooks/useTabs";
 import { CommandButtonComponentProps } from "../../Controls/CommandButton/CommandButtonComponent";
 import { EditorReact } from "../../Controls/Editor/EditorReact";
 import Explorer from "../../Explorer";
-import { useCommandBar } from "../../Menus/CommandBar/CommandBarComponentAdapter";
 import StoredProcedure from "../../Tree/StoredProcedure";
 import { useSelectedNode } from "../../useSelectedNode";
 import ScriptTabBase from "../ScriptTabBase";

src/Explorer/Tabs/Tabs.tsx

@@ -1,12 +1,13 @@
-import { IMessageBarStyles, Link, MessageBar, MessageBarButton, MessageBarType } from "@fluentui/react";
+import { IMessageBarStyles, MessageBar, MessageBarButton, MessageBarType } from "@fluentui/react";
 import { CassandraProxyEndpoints, MongoProxyEndpoints } from "Common/Constants";
 import { sendMessage } from "Common/MessageHandler";
-import { Platform, configContext, updateConfigContext } from "ConfigContext";
+import { configContext } from "ConfigContext";
 import { IpRule } from "Contracts/DataModels";
 import { MessageTypes } from "Contracts/ExplorerContracts";
 import { CollectionTabKind } from "Contracts/ViewModels";
 import Explorer from "Explorer/Explorer";
-import { useCommandBar } from "Explorer/Menus/CommandBar/CommandBarComponentAdapter";
+import { useCommandBar } from "Explorer/Menus/CommandBar/useCommandBar";
+import { CommandBarV2 } from "Explorer/Menus/CommandBarV2/CommandBarV2";
 import { QueryCopilotTab } from "Explorer/QueryCopilot/QueryCopilotTab";
 import { SplashScreen } from "Explorer/SplashScreen/SplashScreen";
 import { ConnectTab } from "Explorer/Tabs/ConnectTab";
@@ -16,7 +17,6 @@ import { VcoreMongoConnectTab } from "Explorer/Tabs/VCoreMongoConnectTab";
 import { VcoreMongoQuickstartTab } from "Explorer/Tabs/VCoreMongoQuickstartTab";
 import { LayoutConstants } from "Explorer/Theme/ThemeUtil";
 import { KeyboardAction, KeyboardActionGroup, useKeyboardActionGroup } from "KeyboardShortcuts";
-import { hasRUThresholdBeenConfigured } from "Shared/StorageUtility";
 import { userContext } from "UserContext";
 import { CassandraProxyOutboundIPs, MongoProxyOutboundIPs, PortalBackendIPs } from "Utils/EndpointUtils";
 import { useTeachingBubble } from "hooks/useTeachingBubble";
@@ -37,9 +37,6 @@ interface TabsProps {
 
 export const Tabs = ({ explorer }: TabsProps): JSX.Element => {
   const { openedTabs, openedReactTabs, activeTab, activeReactTab, networkSettingsWarning } = useTabs();
-  const [showRUThresholdMessageBar, setShowRUThresholdMessageBar] = useState<boolean>(
-    userContext.apiType === "SQL" && configContext.platform !== Platform.Fabric && !hasRUThresholdBeenConfigured(),
-  );
   const [
     showMongoAndCassandraProxiesNetworkSettingsWarningState,
     setShowMongoAndCassandraProxiesNetworkSettingsWarningState,
@@ -87,30 +84,6 @@ export const Tabs = ({ explorer }: TabsProps): JSX.Element => {
           {networkSettingsWarning}
         </MessageBar>
       )}
-      {showRUThresholdMessageBar && (
-        <MessageBar
-          messageBarType={MessageBarType.info}
-          onDismiss={() => {
-            setShowRUThresholdMessageBar(false);
-          }}
-          styles={{
-            ...defaultMessageBarStyles,
-            innerText: {
-              fontWeight: "bold",
-            },
-          }}
-        >
-          {`To prevent queries from using excessive RUs, Data Explorer has a 5,000 RU default limit. To modify or remove
-          the limit, go to the Settings cog on the right and find "RU Threshold".`}
-          <Link
-            className="underlinedLink"
-            href="https://review.learn.microsoft.com/en-us/azure/cosmos-db/data-explorer?branch=main#configure-request-unit-threshold"
-            target="_blank"
-          >
-            Learn More
-          </Link>
-        </MessageBar>
-      )}
       {showMongoAndCassandraProxiesNetworkSettingsWarningState && (
         <MessageBar
           messageBarType={MessageBarType.warning}
@@ -119,7 +92,7 @@ export const Tabs = ({ explorer }: TabsProps): JSX.Element => {
             setShowMongoAndCassandraProxiesNetworkSettingsWarningState(false);
           }}
         >
-          {`We are moving our middleware to new infrastructure. To avoid future issues with Data Explorer access, please
+          {`We have migrated our middleware to new infrastructure. To avoid issues with Data Explorer access, please
           re-enable "Allow access from Azure Portal" on the Networking blade for your account.`}
         </MessageBar>
       )}
@@ -134,6 +107,7 @@ export const Tabs = ({ explorer }: TabsProps): JSX.Element => {
         </ul>
       </div>
       <div className="tabPanesContainer">
+        {userContext.features.commandBarV2 && <CommandBarV2 explorer={explorer} />}
         {activeReactTab !== undefined && getReactTabContent(activeReactTab, explorer)}
         {openedTabs.map((tab) => (
           <TabPane key={tab.tabId} tab={tab} active={activeTab === tab} />
@@ -398,12 +372,6 @@ const showMongoAndCassandraProxiesNetworkSettingsWarning = (): boolean => {
         ipAddressesFromIPRules.includes(mongoProxyOutboundIP),
       );
 
-      if (ipRulesIncludeMongoProxy) {
-        updateConfigContext({
-          MONGO_PROXY_OUTBOUND_IPS_ALLOWLISTED: true,
-        });
-      }
-
       return !ipRulesIncludeMongoProxy;
     } else if (userContext.apiType === "Cassandra") {
       const isProdOrMpacCassandraProxyEndpoint: boolean = [
@@ -422,12 +390,6 @@ const showMongoAndCassandraProxiesNetworkSettingsWarning = (): boolean => {
         (cassandraProxyOutboundIP: string) => ipAddressesFromIPRules.includes(cassandraProxyOutboundIP),
       );
 
-      if (ipRulesIncludeCassandraProxy) {
-        updateConfigContext({
-          CASSANDRA_PROXY_OUTBOUND_IPS_ALLOWLISTED: true,
-        });
-      }
-
       return !ipRulesIncludeCassandraProxy;
     }
   }

src/Explorer/Tabs/TabsBase.ts

@@ -1,8 +1,8 @@
+import { useCommandBar } from "Explorer/Menus/CommandBar/useCommandBar";
 import { KeyboardActionGroup, clearKeyboardActionGroup } from "KeyboardShortcuts";
 import * as ko from "knockout";
 import * as Constants from "../../Common/Constants";
 import * as ThemeUtility from "../../Common/ThemeUtility";
-import * as DataModels from "../../Contracts/DataModels";
 import * as ViewModels from "../../Contracts/ViewModels";
 import { Action, ActionModifiers } from "../../Shared/Telemetry/TelemetryConstants";
 import * as TelemetryProcessor from "../../Shared/Telemetry/TelemetryProcessor";
@@ -10,7 +10,6 @@ import { useNotificationConsole } from "../../hooks/useNotificationConsole";
 import { useTabs } from "../../hooks/useTabs";
 import { CommandButtonComponentProps } from "../Controls/CommandButton/CommandButtonComponent";
 import Explorer from "../Explorer";
-import { useCommandBar } from "../Menus/CommandBar/CommandBarComponentAdapter";
 import { WaitsForTemplateViewModel } from "../WaitsForTemplateViewModel";
 import { useSelectedNode } from "../useSelectedNode";
 // TODO: Use specific actions for logging telemetry data
@@ -28,7 +27,6 @@ export default class TabsBase extends WaitsForTemplateViewModel {
   public tabPath: ko.Observable<string>;
   public isExecutionError = ko.observable(false);
   public isExecuting = ko.observable(false);
-  public pendingNotification?: ko.Observable<DataModels.Notification>;
   protected _theme: string;
   public onLoadStartKey: number;
 
@@ -45,7 +43,6 @@ export default class TabsBase extends WaitsForTemplateViewModel {
     this.tabPath =
       this.collection &&
       ko.observable<string>(`${this.collection.databaseId}>${this.collection.id()}>${options.title}`);
-    this.pendingNotification = ko.observable<DataModels.Notification>(undefined);
     this.onLoadStartKey = options.onLoadStartKey;
     this.closeTabButton = {
       enabled: ko.computed<boolean>(() => {

src/Explorer/Tabs/TriggerTabContent.tsx

@@ -1,5 +1,6 @@
 import { TriggerDefinition } from "@azure/cosmos";
 import { Dropdown, IDropdownOption, Label, TextField } from "@fluentui/react";
+import { useCommandBar } from "Explorer/Menus/CommandBar/useCommandBar";
 import { KeyboardAction } from "KeyboardShortcuts";
 import React, { Component } from "react";
 import DiscardIcon from "../../../images/discard.svg";
@@ -14,7 +15,6 @@ import * as TelemetryProcessor from "../../Shared/Telemetry/TelemetryProcessor";
 import { SqlTriggerResource } from "../../Utils/arm/generatedClients/cosmos/types";
 import { CommandButtonComponentProps } from "../Controls/CommandButton/CommandButtonComponent";
 import { EditorReact } from "../Controls/Editor/EditorReact";
-import { useCommandBar } from "../Menus/CommandBar/CommandBarComponentAdapter";
 import TriggerTab from "./TriggerTab";
 
 const triggerTypeOptions: IDropdownOption[] = [

src/Explorer/Tabs/UserDefinedFunctionTabContent.tsx

@@ -1,5 +1,6 @@
 import { UserDefinedFunctionDefinition } from "@azure/cosmos";
 import { Label, TextField } from "@fluentui/react";
+import { useCommandBar } from "Explorer/Menus/CommandBar/useCommandBar";
 import { KeyboardAction } from "KeyboardShortcuts";
 import React, { Component } from "react";
 import DiscardIcon from "../../../images/discard.svg";
@@ -13,7 +14,6 @@ import { Action } from "../../Shared/Telemetry/TelemetryConstants";
 import * as TelemetryProcessor from "../../Shared/Telemetry/TelemetryProcessor";
 import { CommandButtonComponentProps } from "../Controls/CommandButton/CommandButtonComponent";
 import { EditorReact } from "../Controls/Editor/EditorReact";
-import { useCommandBar } from "../Menus/CommandBar/CommandBarComponentAdapter";
 import UserDefinedFunctionTab from "./UserDefinedFunctionTab";
 
 interface IUserDefinedFunctionTabContentState {

src/Explorer/Theme/ThemeUtil.tsx

@@ -16,7 +16,7 @@ import React from "react";
 import { appThemeFabricTealBrandRamp } from "../../Platform/Fabric/FabricTheme";
 
 export const LayoutConstants = {
-  rowHeight: 36,
+  rowHeight: 32,
 };
 
 // Our CosmosFluentProvider has the same props as a FluentProvider.
@@ -91,15 +91,30 @@ const appThemePortalBrandRamp: BrandVariants = {
   160: "#CDD8EF",
 };
 
-const cosmosThemeElements = {
-  layoutRowHeight: `${LayoutConstants.rowHeight}px`,
+export enum LayoutSize {
+  Compact,
+  // TODO: Cozy and Roomy layouts.
+}
+
+interface CosmosThemeElements {
+  layoutRowHeight: string;
+}
+
+export type CosmosTheme = Theme & CosmosThemeElements;
+
+const sizeMappings: Record<LayoutSize, Partial<Theme> & CosmosThemeElements> = {
+  [LayoutSize.Compact]: {
+    layoutRowHeight: "32px",
+    fontSizeBase300: "13px",
+  },
+};
+
+const cosmosTheme = {
   sidebarMinimumWidth: "200px",
   sidebarInitialWidth: "300px",
 };
 
-export type CosmosTheme = Theme & typeof cosmosThemeElements;
-
-export const tokens = themeToTokensObject({ ...webLightTheme, ...cosmosThemeElements });
+export const tokens = themeToTokensObject({ ...webLightTheme, ...cosmosTheme, ...sizeMappings[LayoutSize.Compact] });
 
 export const cosmosShorthands = {
   border: () => shorthands.border("1px", "solid", tokens.colorNeutralStroke2),
@@ -117,6 +132,7 @@ export function getPlatformTheme(platform: Platform): CosmosTheme {
 
   return {
     ...baseTheme,
-    ...cosmosThemeElements,
+    ...cosmosTheme,
+    ...sizeMappings[LayoutSize.Compact], // TODO: Allow for different layout sizes.
   };
 }

src/Explorer/Tree/Collection.ts

@@ -1,12 +1,11 @@
 import { Resource, StoredProcedureDefinition, TriggerDefinition, UserDefinedFunctionDefinition } from "@azure/cosmos";
+import { useCommandBar } from "Explorer/Menus/CommandBar/useCommandBar";
 import { useNotebook } from "Explorer/Notebook/useNotebook";
 import { DocumentsTabV2 } from "Explorer/Tabs/DocumentsTabV2/DocumentsTabV2";
 import * as ko from "knockout";
 import * as _ from "underscore";
 import * as Constants from "../../Common/Constants";
 import { getErrorMessage, getErrorStack } from "../../Common/ErrorHandlingUtils";
-import * as Logger from "../../Common/Logger";
-import { fetchPortalNotifications } from "../../Common/PortalNotifications";
 import { bulkCreateDocument } from "../../Common/dataAccess/bulkCreateDocument";
 import { createDocument } from "../../Common/dataAccess/createDocument";
 import { getCollectionUsageSizeInKB } from "../../Common/dataAccess/getCollectionDataUsageSize";
@@ -25,7 +24,6 @@ import { logConsoleInfo } from "../../Utils/NotificationConsoleUtils";
 import { SqlTriggerResource } from "../../Utils/arm/generatedClients/cosmos/types";
 import { useTabs } from "../../hooks/useTabs";
 import Explorer from "../Explorer";
-import { useCommandBar } from "../Menus/CommandBar/CommandBarComponentAdapter";
 import { CassandraAPIDataClient, CassandraTableKey, CassandraTableKeys } from "../Tables/TableDataClient";
 import ConflictsTab from "../Tabs/ConflictsTab";
 import GraphTab from "../Tabs/GraphTab";
@@ -1020,41 +1018,6 @@ export default class Collection implements ViewModels.Collection {
     this.uploadFiles(event.originalEvent.dataTransfer.files);
   }
 
-  public async getPendingThroughputSplitNotification(): Promise<DataModels.Notification> {
-    if (!this.container) {
-      return undefined;
-    }
-
-    try {
-      const notifications: DataModels.Notification[] = await fetchPortalNotifications();
-      if (!notifications || notifications.length === 0) {
-        return undefined;
-      }
-
-      return _.find(notifications, (notification: DataModels.Notification) => {
-        const throughputUpdateRegExp: RegExp = new RegExp("Throughput update (.*) in progress");
-        return (
-          notification.kind === "message" &&
-          notification.collectionName === this.id() &&
-          notification.description &&
-          throughputUpdateRegExp.test(notification.description)
-        );
-      });
-    } catch (error) {
-      Logger.logError(
-        JSON.stringify({
-          error: getErrorMessage(error),
-          accountName: userContext?.databaseAccount,
-          databaseName: this.databaseId,
-          collectionName: this.id(),
-        }),
-        "Settings tree node",
-      );
-
-      return undefined;
-    }
-  }
-
   public async uploadFiles(files: FileList): Promise<{ data: UploadDetailsRecord[] }> {
     const data = await Promise.all(Array.from(files).map((file) => this.uploadFile(file)));
 

src/Explorer/Tree/Database.tsx

@@ -4,8 +4,6 @@ import * as _ from "underscore";
 import { AuthType } from "../../AuthType";
 import * as Constants from "../../Common/Constants";
 import { getErrorMessage, getErrorStack } from "../../Common/ErrorHandlingUtils";
-import * as Logger from "../../Common/Logger";
-import { fetchPortalNotifications } from "../../Common/PortalNotifications";
 import { readCollections, readCollectionsWithPagination } from "../../Common/dataAccess/readCollections";
 import { readDatabaseOffer } from "../../Common/dataAccess/readDatabaseOffer";
 import * as DataModels from "../../Contracts/DataModels";
@@ -76,7 +74,6 @@ export default class Database implements ViewModels.Database {
       await useDatabases.getState().loadAllOffers();
     }
 
-    const pendingNotificationsPromise: Promise<DataModels.Notification> = this.getPendingThroughputSplitNotification();
     const tabKind = ViewModels.CollectionTabKind.DatabaseSettingsV2;
     const matchingTabs = useTabs.getState().getTabs(tabKind, (tab) => tab.node?.id() === this.id());
     let settingsTab = matchingTabs?.[0] as DatabaseSettingsTabV2;
@@ -87,10 +84,8 @@ export default class Database implements ViewModels.Database {
         dataExplorerArea: Constants.Areas.Tab,
         tabTitle: "Scale",
       });
-      pendingNotificationsPromise.then(
-        // eslint-disable-next-line @typescript-eslint/no-explicit-any
-        (data: any) => {
-          const pendingNotification: DataModels.Notification = data?.[0];
+
+      try {
         const tabOptions: ViewModels.TabOptions = {
           tabKind,
           title: "Scale",
@@ -101,10 +96,8 @@ export default class Database implements ViewModels.Database {
           onLoadStartKey: startKey,
         };
         settingsTab = new DatabaseSettingsTabV2(tabOptions);
-          settingsTab.pendingNotification(pendingNotification);
         useTabs.getState().activateNewTab(settingsTab);
-        },
-        (error) => {
+      } catch (error) {
         const errorMessage = getErrorMessage(error);
         TelemetryProcessor.traceFailure(
           Action.Tab,
@@ -121,19 +114,9 @@ export default class Database implements ViewModels.Database {
         );
         logConsoleError(`Error while fetching database settings for database ${this.id()}: ${errorMessage}`);
         throw error;
-        },
-      );
+      }
     } else {
-      pendingNotificationsPromise.then(
-        (pendingNotification: DataModels.Notification) => {
-          settingsTab.pendingNotification(pendingNotification);
       useTabs.getState().activateTab(settingsTab);
-        },
-        () => {
-          settingsTab.pendingNotification(undefined);
-          useTabs.getState().activateTab(settingsTab);
-        },
-      );
     }
   };
 
@@ -260,42 +243,6 @@ export default class Database implements ViewModels.Database {
     }
   }
 
-  public async getPendingThroughputSplitNotification(): Promise<DataModels.Notification> {
-    if (!this.container) {
-      return undefined;
-    }
-
-    try {
-      const notifications: DataModels.Notification[] = await fetchPortalNotifications();
-      if (!notifications || notifications.length === 0) {
-        return undefined;
-      }
-
-      return _.find(notifications, (notification: DataModels.Notification) => {
-        const throughputUpdateRegExp = new RegExp("Throughput update (.*) in progress");
-        return (
-          notification.kind === "message" &&
-          !notification.collectionName &&
-          notification.databaseName === this.id() &&
-          notification.description &&
-          throughputUpdateRegExp.test(notification.description)
-        );
-      });
-    } catch (error) {
-      Logger.logError(
-        JSON.stringify({
-          error: getErrorMessage(error),
-          accountName: userContext?.databaseAccount,
-          databaseName: this.id(),
-          collectionName: this.id(),
-        }),
-        "Settings tree node",
-      );
-
-      return undefined;
-    }
-  }
-
   private getDeltaCollections(updatedCollectionsList: DataModels.Collection[]): {
     toAdd: DataModels.Collection[];
     toDelete: Collection[];

src/Explorer/Tree/ResourceTreeAdapter.tsx

@@ -1,4 +1,6 @@
 import { TreeNodeMenuItem } from "Explorer/Controls/TreeComponent/TreeNodeComponent";
+import { useCommandBar } from "Explorer/Menus/CommandBar/useCommandBar";
+import { collectionWasOpened } from "Explorer/MostRecentActivity/MostRecentActivity";
 import { shouldShowScriptNodes } from "Explorer/Tree/treeNodeUtil";
 import { getItemName } from "Utils/APITypeUtils";
 import * as ko from "knockout";
@@ -27,8 +29,6 @@ import * as ResourceTreeContextMenuButtonFactory from "../ContextMenuButtonFacto
 import { useDialog } from "../Controls/Dialog";
 import { LegacyTreeComponent, LegacyTreeNode } from "../Controls/TreeComponent/LegacyTreeComponent";
 import Explorer from "../Explorer";
-import { useCommandBar } from "../Menus/CommandBar/CommandBarComponentAdapter";
-import { mostRecentActivity } from "../MostRecentActivity/MostRecentActivity";
 import { NotebookContentItem, NotebookContentItemType } from "../Notebook/NotebookContentItem";
 import { NotebookUtil } from "../Notebook/NotebookUtil";
 import { useNotebook } from "../Notebook/useNotebook";
@@ -229,7 +229,7 @@ export class ResourceTreeAdapter implements ReactAdapter {
       onClick: () => {
         collection.openTab();
         // push to most recent
-        mostRecentActivity.collectionWasOpened(userContext.databaseAccount?.id, collection);
+        collectionWasOpened(userContext.databaseAccount?.name, collection);
       },
       isSelected: () =>
         useSelectedNode

src/Explorer/Tree/SampleDataTree.tsx

@@ -1,4 +1,4 @@
-import { useCommandBar } from "Explorer/Menus/CommandBar/CommandBarComponentAdapter";
+import { useCommandBar } from "Explorer/Menus/CommandBar/useCommandBar";
 import TabsBase from "Explorer/Tabs/TabsBase";
 import { useSelectedNode } from "Explorer/useSelectedNode";
 import { useTabs } from "hooks/useTabs";

src/Explorer/Tree/__snapshots__/treeNodeUtil.test.ts.snap

@@ -30,6 +30,9 @@ exports[`createDatabaseTreeNodes generates the correct tree structure for the Ca
             "styleClass": "deleteCollectionMenuItem",
           },
         ],
+        "iconSrc": <DocumentMultipleRegular
+          fontSize={16}
+        />,
         "isExpanded": true,
         "isSelected": [Function],
         "label": "standardCollection",
@@ -69,6 +72,9 @@ exports[`createDatabaseTreeNodes generates the correct tree structure for the Ca
             "styleClass": "deleteCollectionMenuItem",
           },
         ],
+        "iconSrc": <DocumentMultipleRegular
+          fontSize={16}
+        />,
         "isExpanded": true,
         "isSelected": [Function],
         "label": "conflictsCollection",
@@ -92,6 +98,9 @@ exports[`createDatabaseTreeNodes generates the correct tree structure for the Ca
         "styleClass": "deleteDatabaseMenuItem",
       },
     ],
+    "iconSrc": <DatabaseRegular
+      fontSize={16}
+    />,
     "isExpanded": true,
     "isSelected": [Function],
     "label": "standardDb",
@@ -102,6 +111,9 @@ exports[`createDatabaseTreeNodes generates the correct tree structure for the Ca
   {
     "children": [
       {
+        "iconSrc": <SettingsRegular
+          fontSize={16}
+        />,
         "id": "",
         "isSelected": [Function],
         "label": "Scale",
@@ -133,6 +145,9 @@ exports[`createDatabaseTreeNodes generates the correct tree structure for the Ca
             "styleClass": "deleteCollectionMenuItem",
           },
         ],
+        "iconSrc": <DocumentMultipleRegular
+          fontSize={16}
+        />,
         "isExpanded": true,
         "isSelected": [Function],
         "label": "sampleItemsCollection",
@@ -156,6 +171,9 @@ exports[`createDatabaseTreeNodes generates the correct tree structure for the Ca
         "styleClass": "deleteDatabaseMenuItem",
       },
     ],
+    "iconSrc": <DatabaseRegular
+      fontSize={16}
+    />,
     "isExpanded": true,
     "isSelected": [Function],
     "label": "sharedDatabase",
@@ -246,6 +264,9 @@ exports[`createDatabaseTreeNodes generates the correct tree structure for the Ca
             "styleClass": "deleteCollectionMenuItem",
           },
         ],
+        "iconSrc": <DocumentMultipleRegular
+          fontSize={16}
+        />,
         "isExpanded": true,
         "isSelected": [Function],
         "label": "schemaCollection",
@@ -274,6 +295,9 @@ exports[`createDatabaseTreeNodes generates the correct tree structure for the Ca
         "styleClass": "deleteDatabaseMenuItem",
       },
     ],
+    "iconSrc": <DatabaseRegular
+      fontSize={16}
+    />,
     "isExpanded": true,
     "isSelected": [Function],
     "label": "giganticDatabase",
@@ -345,6 +369,9 @@ exports[`createDatabaseTreeNodes generates the correct tree structure for the Mo
             "styleClass": "deleteCollectionMenuItem",
           },
         ],
+        "iconSrc": <DocumentMultipleRegular
+          fontSize={16}
+        />,
         "isExpanded": true,
         "isSelected": [Function],
         "label": "standardCollection",
@@ -415,6 +442,9 @@ exports[`createDatabaseTreeNodes generates the correct tree structure for the Mo
             "styleClass": "deleteCollectionMenuItem",
           },
         ],
+        "iconSrc": <DocumentMultipleRegular
+          fontSize={16}
+        />,
         "isExpanded": true,
         "isSelected": [Function],
         "label": "conflictsCollection",
@@ -438,6 +468,9 @@ exports[`createDatabaseTreeNodes generates the correct tree structure for the Mo
         "styleClass": "deleteDatabaseMenuItem",
       },
     ],
+    "iconSrc": <DatabaseRegular
+      fontSize={16}
+    />,
     "isExpanded": true,
     "isSelected": [Function],
     "label": "standardDb",
@@ -448,6 +481,9 @@ exports[`createDatabaseTreeNodes generates the correct tree structure for the Mo
   {
     "children": [
       {
+        "iconSrc": <SettingsRegular
+          fontSize={16}
+        />,
         "id": "",
         "isSelected": [Function],
         "label": "Scale",
@@ -510,6 +546,9 @@ exports[`createDatabaseTreeNodes generates the correct tree structure for the Mo
             "styleClass": "deleteCollectionMenuItem",
           },
         ],
+        "iconSrc": <DocumentMultipleRegular
+          fontSize={16}
+        />,
         "isExpanded": true,
         "isSelected": [Function],
         "label": "sampleItemsCollection",
@@ -533,6 +572,9 @@ exports[`createDatabaseTreeNodes generates the correct tree structure for the Mo
         "styleClass": "deleteDatabaseMenuItem",
       },
     ],
+    "iconSrc": <DatabaseRegular
+      fontSize={16}
+    />,
     "isExpanded": true,
     "isSelected": [Function],
     "label": "sharedDatabase",
@@ -654,6 +696,9 @@ exports[`createDatabaseTreeNodes generates the correct tree structure for the Mo
             "styleClass": "deleteCollectionMenuItem",
           },
         ],
+        "iconSrc": <DocumentMultipleRegular
+          fontSize={16}
+        />,
         "isExpanded": true,
         "isSelected": [Function],
         "label": "schemaCollection",
@@ -682,6 +727,9 @@ exports[`createDatabaseTreeNodes generates the correct tree structure for the Mo
         "styleClass": "deleteDatabaseMenuItem",
       },
     ],
+    "iconSrc": <DatabaseRegular
+      fontSize={16}
+    />,
     "isExpanded": true,
     "isSelected": [Function],
     "label": "giganticDatabase",
@@ -706,6 +754,9 @@ exports[`createDatabaseTreeNodes generates the correct tree structure for the SQ
             "onClick": [Function],
           },
         ],
+        "iconSrc": <DocumentMultipleRegular
+          fontSize={16}
+        />,
         "isExpanded": true,
         "isSelected": [Function],
         "label": "standardCollection",
@@ -724,6 +775,9 @@ exports[`createDatabaseTreeNodes generates the correct tree structure for the SQ
             "onClick": [Function],
           },
         ],
+        "iconSrc": <DocumentMultipleRegular
+          fontSize={16}
+        />,
         "isExpanded": true,
         "isSelected": [Function],
         "label": "conflictsCollection",
@@ -747,6 +801,9 @@ exports[`createDatabaseTreeNodes generates the correct tree structure for the SQ
         "styleClass": "deleteDatabaseMenuItem",
       },
     ],
+    "iconSrc": <DatabaseRegular
+      fontSize={16}
+    />,
     "isExpanded": true,
     "isSelected": [Function],
     "label": "standardDb",
@@ -766,6 +823,9 @@ exports[`createDatabaseTreeNodes generates the correct tree structure for the SQ
             "onClick": [Function],
           },
         ],
+        "iconSrc": <DocumentMultipleRegular
+          fontSize={16}
+        />,
         "isExpanded": true,
         "isSelected": [Function],
         "label": "sampleItemsCollection",
@@ -789,6 +849,9 @@ exports[`createDatabaseTreeNodes generates the correct tree structure for the SQ
         "styleClass": "deleteDatabaseMenuItem",
       },
     ],
+    "iconSrc": <DatabaseRegular
+      fontSize={16}
+    />,
     "isExpanded": true,
     "isSelected": [Function],
     "label": "sharedDatabase",
@@ -808,6 +871,9 @@ exports[`createDatabaseTreeNodes generates the correct tree structure for the SQ
             "onClick": [Function],
           },
         ],
+        "iconSrc": <DocumentMultipleRegular
+          fontSize={16}
+        />,
         "isExpanded": true,
         "isSelected": [Function],
         "label": "schemaCollection",
@@ -836,6 +902,9 @@ exports[`createDatabaseTreeNodes generates the correct tree structure for the SQ
         "styleClass": "deleteDatabaseMenuItem",
       },
     ],
+    "iconSrc": <DatabaseRegular
+      fontSize={16}
+    />,
     "isExpanded": true,
     "isSelected": [Function],
     "label": "giganticDatabase",
@@ -976,6 +1045,9 @@ exports[`createDatabaseTreeNodes generates the correct tree structure for the SQ
             "styleClass": "deleteCollectionMenuItem",
           },
         ],
+        "iconSrc": <DocumentMultipleRegular
+          fontSize={16}
+        />,
         "isExpanded": true,
         "isSelected": [Function],
         "label": "standardCollection",
@@ -1076,6 +1148,9 @@ exports[`createDatabaseTreeNodes generates the correct tree structure for the SQ
             "styleClass": "deleteCollectionMenuItem",
           },
         ],
+        "iconSrc": <DocumentMultipleRegular
+          fontSize={16}
+        />,
         "isExpanded": true,
         "isSelected": [Function],
         "label": "conflictsCollection",
@@ -1099,6 +1174,9 @@ exports[`createDatabaseTreeNodes generates the correct tree structure for the SQ
         "styleClass": "deleteDatabaseMenuItem",
       },
     ],
+    "iconSrc": <DatabaseRegular
+      fontSize={16}
+    />,
     "isExpanded": true,
     "isSelected": [Function],
     "label": "standardDb",
@@ -1109,6 +1187,9 @@ exports[`createDatabaseTreeNodes generates the correct tree structure for the SQ
   {
     "children": [
       {
+        "iconSrc": <SettingsRegular
+          fontSize={16}
+        />,
         "id": "",
         "isSelected": [Function],
         "label": "Scale",
@@ -1201,6 +1282,9 @@ exports[`createDatabaseTreeNodes generates the correct tree structure for the SQ
             "styleClass": "deleteCollectionMenuItem",
           },
         ],
+        "iconSrc": <DocumentMultipleRegular
+          fontSize={16}
+        />,
         "isExpanded": true,
         "isSelected": [Function],
         "label": "sampleItemsCollection",
@@ -1224,6 +1308,9 @@ exports[`createDatabaseTreeNodes generates the correct tree structure for the SQ
         "styleClass": "deleteDatabaseMenuItem",
       },
     ],
+    "iconSrc": <DatabaseRegular
+      fontSize={16}
+    />,
     "isExpanded": true,
     "isSelected": [Function],
     "label": "sharedDatabase",
@@ -1375,6 +1462,9 @@ exports[`createDatabaseTreeNodes generates the correct tree structure for the SQ
             "styleClass": "deleteCollectionMenuItem",
           },
         ],
+        "iconSrc": <DocumentMultipleRegular
+          fontSize={16}
+        />,
         "isExpanded": true,
         "isSelected": [Function],
         "label": "schemaCollection",
@@ -1403,6 +1493,9 @@ exports[`createDatabaseTreeNodes generates the correct tree structure for the SQ
         "styleClass": "deleteDatabaseMenuItem",
       },
     ],
+    "iconSrc": <DatabaseRegular
+      fontSize={16}
+    />,
     "isExpanded": true,
     "isSelected": [Function],
     "label": "giganticDatabase",
@@ -1543,6 +1636,9 @@ exports[`createDatabaseTreeNodes using NoSQL API on Hosted Platform creates expe
             "styleClass": "deleteCollectionMenuItem",
           },
         ],
+        "iconSrc": <DocumentMultipleRegular
+          fontSize={16}
+        />,
         "isExpanded": true,
         "isSelected": [Function],
         "label": "standardCollection",
@@ -1638,6 +1734,9 @@ exports[`createDatabaseTreeNodes using NoSQL API on Hosted Platform creates expe
             "styleClass": "deleteCollectionMenuItem",
           },
         ],
+        "iconSrc": <DocumentMultipleRegular
+          fontSize={16}
+        />,
         "isExpanded": true,
         "isSelected": [Function],
         "label": "conflictsCollection",
@@ -1661,6 +1760,9 @@ exports[`createDatabaseTreeNodes using NoSQL API on Hosted Platform creates expe
         "styleClass": "deleteDatabaseMenuItem",
       },
     ],
+    "iconSrc": <DatabaseRegular
+      fontSize={16}
+    />,
     "isExpanded": true,
     "isSelected": [Function],
     "label": "standardDb",
@@ -1671,6 +1773,9 @@ exports[`createDatabaseTreeNodes using NoSQL API on Hosted Platform creates expe
   {
     "children": [
       {
+        "iconSrc": <SettingsRegular
+          fontSize={16}
+        />,
         "id": "",
         "isSelected": [Function],
         "label": "Scale",
@@ -1763,6 +1868,9 @@ exports[`createDatabaseTreeNodes using NoSQL API on Hosted Platform creates expe
             "styleClass": "deleteCollectionMenuItem",
           },
         ],
+        "iconSrc": <DocumentMultipleRegular
+          fontSize={16}
+        />,
         "isExpanded": true,
         "isSelected": [Function],
         "label": "sampleItemsCollection",
@@ -1786,6 +1894,9 @@ exports[`createDatabaseTreeNodes using NoSQL API on Hosted Platform creates expe
         "styleClass": "deleteDatabaseMenuItem",
       },
     ],
+    "iconSrc": <DatabaseRegular
+      fontSize={16}
+    />,
     "isExpanded": true,
     "isSelected": [Function],
     "label": "sharedDatabase",
@@ -1937,6 +2048,9 @@ exports[`createDatabaseTreeNodes using NoSQL API on Hosted Platform creates expe
             "styleClass": "deleteCollectionMenuItem",
           },
         ],
+        "iconSrc": <DocumentMultipleRegular
+          fontSize={16}
+        />,
         "isExpanded": true,
         "isSelected": [Function],
         "label": "schemaCollection",
@@ -1965,6 +2079,9 @@ exports[`createDatabaseTreeNodes using NoSQL API on Hosted Platform creates expe
         "styleClass": "deleteDatabaseMenuItem",
       },
     ],
+    "iconSrc": <DatabaseRegular
+      fontSize={16}
+    />,
     "isExpanded": true,
     "isSelected": [Function],
     "label": "giganticDatabase",
@@ -1986,6 +2103,9 @@ exports[`createResourceTokenTreeNodes creates the expected tree nodes 1`] = `
       },
     ],
     "className": "collectionNode",
+    "iconSrc": <DocumentMultipleRegular
+      fontSize={16}
+    />,
     "isExpanded": true,
     "isSelected": [Function],
     "label": "testCollection",
@@ -2021,6 +2141,9 @@ exports[`createSampleDataTreeNodes creates the expected tree nodes 1`] = `
             "onClick": [Function],
           },
         ],
+        "iconSrc": <DocumentMultipleRegular
+          fontSize={16}
+        />,
         "isExpanded": false,
         "isSelected": [Function],
         "label": "testCollection",

src/Explorer/Tree/treeNodeUtil.test.ts

@@ -2,7 +2,7 @@ import { CapabilityNames } from "Common/Constants";
 import { Platform, updateConfigContext } from "ConfigContext";
 import { TreeNode } from "Explorer/Controls/TreeComponent/TreeNodeComponent";
 import Explorer from "Explorer/Explorer";
-import { useCommandBar } from "Explorer/Menus/CommandBar/CommandBarComponentAdapter";
+import { useCommandBar } from "Explorer/Menus/CommandBar/useCommandBar";
 import { useNotebook } from "Explorer/Notebook/useNotebook";
 import { DeleteDatabaseConfirmationPanel } from "Explorer/Panes/DeleteDatabaseConfirmationPanel";
 import TabsBase from "Explorer/Tabs/TabsBase";

src/Explorer/Tree/treeNodeUtil.tsx

@@ -1,4 +1,7 @@
+import { DatabaseRegular, DocumentMultipleRegular, SettingsRegular } from "@fluentui/react-icons";
 import { TreeNode } from "Explorer/Controls/TreeComponent/TreeNodeComponent";
+import { useCommandBar } from "Explorer/Menus/CommandBar/useCommandBar";
+import { collectionWasOpened } from "Explorer/MostRecentActivity/MostRecentActivity";
 import TabsBase from "Explorer/Tabs/TabsBase";
 import StoredProcedure from "Explorer/Tree/StoredProcedure";
 import Trigger from "Explorer/Tree/Trigger";
@@ -7,6 +10,7 @@ import { useDatabases } from "Explorer/useDatabases";
 import { getItemName } from "Utils/APITypeUtils";
 import { isServerlessAccount } from "Utils/CapabilityUtils";
 import { useTabs } from "hooks/useTabs";
+import React from "react";
 import { isPublicInternetAccessAllowed } from "../../Common/DatabaseAccountUtility";
 import { Platform, configContext } from "../../ConfigContext";
 import * as DataModels from "../../Contracts/DataModels";
@@ -14,8 +18,6 @@ import * as ViewModels from "../../Contracts/ViewModels";
 import { userContext } from "../../UserContext";
 import * as ResourceTreeContextMenuButtonFactory from "../ContextMenuButtonFactory";
 import Explorer from "../Explorer";
-import { useCommandBar } from "../Menus/CommandBar/CommandBarComponentAdapter";
-import { mostRecentActivity } from "../MostRecentActivity/MostRecentActivity";
 import { useNotebook } from "../Notebook/useNotebook";
 import { useSelectedNode } from "../useSelectedNode";
 
@@ -25,6 +27,10 @@ export const shouldShowScriptNodes = (): boolean => {
   );
 };
 
+const TreeDatabaseIcon = <DatabaseRegular fontSize={16} />;
+const TreeSettingsIcon = <SettingsRegular fontSize={16} />;
+const TreeCollectionIcon = <DocumentMultipleRegular fontSize={16} />;
+
 export const createSampleDataTreeNodes = (sampleDataResourceTokenCollection: ViewModels.CollectionBase): TreeNode[] => {
   const updatedSampleTree: TreeNode = {
     label: sampleDataResourceTokenCollection.databaseId,
@@ -36,6 +42,7 @@ export const createSampleDataTreeNodes = (sampleDataResourceTokenCollection: Vie
         isExpanded: false,
         className: "collectionNode",
         contextMenu: ResourceTreeContextMenuButtonFactory.createSampleCollectionContextMenuButton(),
+        iconSrc: TreeCollectionIcon,
         onClick: () => {
           useSelectedNode.getState().setSelectedNode(sampleDataResourceTokenCollection);
           useCommandBar.getState().setContextButtons([]);
@@ -91,7 +98,7 @@ export const createResourceTokenTreeNodes = (collection: ViewModels.CollectionBa
     onClick: () => {
       collection.onDocumentDBDocumentsClick();
       // push to most recent
-      mostRecentActivity.collectionWasOpened(userContext.databaseAccount?.id, collection);
+      collectionWasOpened(userContext.databaseAccount?.name, collection);
     },
     isSelected: () =>
       useSelectedNode
@@ -104,6 +111,7 @@ export const createResourceTokenTreeNodes = (collection: ViewModels.CollectionBa
     isExpanded: true,
     children,
     className: "collectionNode",
+    iconSrc: TreeCollectionIcon,
     onClick: () => {
       // Rewritten version of expandCollapseCollection
       useSelectedNode.getState().setSelectedNode(collection);
@@ -133,6 +141,7 @@ export const createDatabaseTreeNodes = (
         databaseNode.children.push({
           id: database.isSampleDB ? "sampleScaleSettings" : "",
           label: "Scale",
+          iconSrc: TreeSettingsIcon,
           isSelected: () =>
             useSelectedNode
               .getState()
@@ -169,6 +178,7 @@ export const createDatabaseTreeNodes = (
       children: [],
       isSelected: () => useSelectedNode.getState().isDataNodeSelected(database.id()),
       contextMenu: ResourceTreeContextMenuButtonFactory.createDatabaseContextMenu(container, database.id()),
+      iconSrc: TreeDatabaseIcon,
       onExpanded: async () => {
         useSelectedNode.getState().setSelectedNode(database);
         if (!databaseNode.children || databaseNode.children?.length === 0) {
@@ -219,11 +229,12 @@ export const buildCollectionNode = (
     children: children,
     className: "collectionNode",
     contextMenu: ResourceTreeContextMenuButtonFactory.createCollectionContextMenuButton(container, collection),
+    iconSrc: TreeCollectionIcon,
     onClick: () => {
       useSelectedNode.getState().setSelectedNode(collection);
       collection.openTab();
       // push to most recent
-      mostRecentActivity.collectionWasOpened(userContext.databaseAccount?.id, collection);
+      collectionWasOpened(userContext.databaseAccount?.name, collection);
     },
     onExpanded: async () => {
       // Rewritten version of expandCollapseCollection
@@ -271,7 +282,7 @@ const buildCollectionNodeChildren = (
     onClick: () => {
       collection.openTab();
       // push to most recent
-      mostRecentActivity.collectionWasOpened(userContext.databaseAccount?.id, collection);
+      collectionWasOpened(userContext.databaseAccount?.name, collection);
     },
     isSelected: () =>
       useSelectedNode

src/Main.tsx

@@ -20,9 +20,11 @@ import "../externals/jquery.typeahead.min.css";
 import "../externals/jquery.typeahead.min.js";
 // Image Dependencies
 import { Platform } from "ConfigContext";
+import { CommandBar } from "Explorer/Menus/CommandBar/CommandBarComponentAdapter";
 import { QueryCopilotCarousel } from "Explorer/QueryCopilot/CopilotCarousel";
 import { SidebarContainer } from "Explorer/Sidebar";
 import { KeyboardShortcutRoot } from "KeyboardShortcuts";
+import { userContext } from "UserContext";
 import "allotment/dist/style.css";
 import "../images/CosmosDB_rgb_ui_lighttheme.ico";
 import hdeConnectImage from "../images/HdeConnectCosmosDB.svg";
@@ -48,7 +50,6 @@ import "./Explorer/Controls/Notebook/NotebookTerminalComponent.less";
 import "./Explorer/Controls/TreeComponent/treeComponent.less";
 import "./Explorer/Graph/GraphExplorerComponent/graphExplorer.less";
 import "./Explorer/Menus/CommandBar/CommandBarComponent.less";
-import { CommandBar } from "./Explorer/Menus/CommandBar/CommandBarComponentAdapter";
 import "./Explorer/Menus/CommandBar/ConnectionStatusComponent.less";
 import "./Explorer/Menus/CommandBar/MemoryTrackerComponent.less";
 import "./Explorer/Menus/NotificationConsole/NotificationConsole.less";
@@ -86,7 +87,7 @@ const App: React.FunctionComponent = () => {
         <div id="divExplorer" className="flexContainer hideOverflows">
           <div id="freeTierTeachingBubble"> </div>
           {/* Main Command Bar - Start */}
-          <CommandBar container={explorer} />
+          {!userContext.features.commandBarV2 && <CommandBar container={explorer} />}
           {/* Collections Tree and Tabs - Begin */}
           <SidebarContainer explorer={explorer} />
           {/* Collections Tree and Tabs - End */}

src/Platform/Hosted/Components/ConnectExplorer.tsx

@@ -52,7 +52,7 @@ export const isAccountRestrictedForConnectionStringLogin = async (connectionStri
   const headers = new Headers();
   headers.append(HttpHeaders.connectionString, connectionString);
 
-  const backendEndpoint: string = useNewPortalBackendEndpoint(BackendApi.PortalSettings)
+  const backendEndpoint: string = useNewPortalBackendEndpoint(BackendApi.AccountRestrictions)
     ? configContext.PORTAL_BACKEND_ENDPOINT
     : configContext.BACKEND_ENDPOINT;
 

src/Platform/Hosted/Components/FeedbackCommandButton.tsx

@@ -1,22 +1,18 @@
 import * as React from "react";
-import { CommandButtonComponent } from "../../../Explorer/Controls/CommandButton/CommandButtonComponent";
 import FeedbackIcon from "../../../../images/Feedback.svg";
 
+const onClick = () => {
+  window.open("https://aka.ms/cosmosdbfeedback?subject=Cosmos%20DB%20Hosted%20Data%20Explorer%20Feedback");
+};
+
 export const FeedbackCommandButton: React.FunctionComponent = () => {
   return (
     <div className="feedbackConnectSettingIcons">
-      <CommandButtonComponent
-        id="commandbutton-feedback"
-        iconSrc={FeedbackIcon}
-        iconAlt="feeback button"
-        onCommandClick={() =>
-          window.open("https://aka.ms/cosmosdbfeedback?subject=Cosmos%20DB%20Hosted%20Data%20Explorer%20Feedback")
-        }
-        ariaLabel="feeback button"
-        tooltipText="Send feedback"
-        hasPopup={true}
-        disabled={false}
-      />
+      <div className="commandButtonReact">
+        <a href="#" title="Send feedback" aria-haspopup="dialog" onClick={onClick}>
+          <img src={FeedbackIcon} alt="Send feedback" />
+        </a>
+      </div>
     </div>
   );
 };

src/Platform/Hosted/Helpers/ResourceTokenUtils.test.ts

@@ -11,7 +11,7 @@ describe("parseResourceTokenConnectionString", () => {
       collectionId: "fakeCollectionId",
       databaseId: "fakeDatabaseId",
       partitionKey: undefined,
-      resourceToken: "type=resource&ver=1&sig=2dIP+CdIfT1ScwHWdv5GGw==;fakeToken;",
+      resourceToken: "type=resource&ver=1&sig=2dIP+CdIfT1ScwHWdv5GGw==;fakeToken",
     });
   });
 
@@ -25,7 +25,7 @@ describe("parseResourceTokenConnectionString", () => {
       collectionId: "fakeCollectionId",
       databaseId: "fakeDatabaseId",
       partitionKey: "fakePartitionKey",
-      resourceToken: "type=resource&ver=1&sig=2dIP+CdIfT1ScwHWdv5GGw==;fakeToken;",
+      resourceToken: "type=resource&ver=1&sig=2dIP+CdIfT1ScwHWdv5GGw==;fakeToken",
     });
   });
 });

src/Platform/Hosted/Helpers/ResourceTokenUtils.ts

@@ -30,6 +30,10 @@ export function parseResourceTokenConnectionString(connectionString: string): Pa
     }
   });
 
+  if (resourceToken && resourceToken.endsWith(";")) {
+    resourceToken = resourceToken.substring(0, resourceToken.length - 1);
+  }
+
   return {
     accountEndpoint,
     collectionId,

src/Platform/Hosted/extractFeatures.ts

@@ -38,6 +38,7 @@ export type Features = {
   readonly copilotChatFixedMonacoEditorHeight: boolean;
   readonly enablePriorityBasedExecution: boolean;
   readonly disableConnectionStringLogin: boolean;
+  readonly commandBarV2: boolean;
 
   // can be set via both flight and feature flag
   autoscaleDefault: boolean;
@@ -108,6 +109,7 @@ export function extractFeatures(given = new URLSearchParams(window.location.sear
     copilotChatFixedMonacoEditorHeight: "true" === get("copilotchatfixedmonacoeditorheight"),
     enablePriorityBasedExecution: "true" === get("enableprioritybasedexecution"),
     disableConnectionStringLogin: "true" === get("disableconnectionstringlogin"),
+    commandBarV2: "true" === get("commandbarv2"),
   };
 }
 

src/Shared/AppStatePersistenceUtility.test.ts

@@ -0,0 +1,200 @@
+import {
+  AppStateComponentNames,
+  createKeyFromPath,
+  deleteState,
+  loadState,
+  MAX_ENTRY_NB,
+  PATH_SEPARATOR,
+  saveState,
+} from "Shared/AppStatePersistenceUtility";
+import { LocalStorageUtility, StorageKey } from "Shared/StorageUtility";
+
+jest.mock("Shared/StorageUtility", () => ({
+  LocalStorageUtility: {
+    getEntryObject: jest.fn(),
+    setEntryObject: jest.fn(),
+  },
+  StorageKey: {
+    AppState: "AppState",
+  },
+}));
+
+describe("AppStatePersistenceUtility", () => {
+  const storePath = {
+    componentName: AppStateComponentNames.DocumentsTab,
+    subComponentName: "b",
+    globalAccountName: "c",
+    databaseName: "d",
+    containerName: "e",
+  };
+  const key = createKeyFromPath(storePath);
+
+  beforeEach(() => {
+    jest.clearAllMocks();
+  });
+
+  beforeEach(() => {
+    (LocalStorageUtility.getEntryObject as jest.Mock).mockReturnValue({
+      key0: {
+        schemaVersion: 1,
+        timestamp: 0,
+        data: {},
+      },
+    });
+  });
+
+  describe("saveState()", () => {
+    const testState = { aa: 1, bb: "2", cc: [3, 4] };
+
+    it("should save state", () => {
+      saveState(storePath, testState);
+      expect(LocalStorageUtility.setEntryObject).toHaveBeenCalledTimes(1);
+      expect(LocalStorageUtility.setEntryObject).toHaveBeenCalledWith(StorageKey.AppState, expect.any(Object));
+
+      const passedState = (LocalStorageUtility.setEntryObject as jest.Mock).mock.calls[0][1];
+      expect(passedState[key].data).toHaveProperty("aa", 1);
+    });
+
+    it("should save state with timestamp", () => {
+      saveState(storePath, testState);
+      const passedState = (LocalStorageUtility.setEntryObject as jest.Mock).mock.calls[0][1];
+      expect(passedState[key]).toHaveProperty("timestamp");
+      expect(passedState[key].timestamp).toBeGreaterThan(0);
+    });
+
+    it("should add state to existing state", () => {
+      (LocalStorageUtility.getEntryObject as jest.Mock).mockReturnValue({
+        key0: {
+          schemaVersion: 1,
+          timestamp: 0,
+          data: { dd: 5 },
+        },
+      });
+
+      saveState(storePath, testState);
+      const passedState = (LocalStorageUtility.setEntryObject as jest.Mock).mock.calls[0][1];
+      expect(passedState["key0"].data).toHaveProperty("dd", 5);
+    });
+
+    it("should remove the oldest entry when the number of entries exceeds the limit", () => {
+      // Fill up storage with MAX entries
+      const currentAppState = {};
+      for (let i = 0; i < MAX_ENTRY_NB; i++) {
+        // eslint-disable-next-line @typescript-eslint/no-explicit-any
+        (currentAppState as any)[`key${i}`] = {
+          schemaVersion: 1,
+          timestamp: i,
+          data: {},
+        };
+      }
+      (LocalStorageUtility.getEntryObject as jest.Mock).mockReturnValue(currentAppState);
+
+      saveState(storePath, testState);
+
+      // Verify that the new entry is saved
+      const passedState = (LocalStorageUtility.setEntryObject as jest.Mock).mock.calls[0][1];
+      expect(passedState[key].data).toHaveProperty("aa", 1);
+
+      // Verify that the oldest entry is removed (smallest timestamp)
+      const passedAppState = (LocalStorageUtility.setEntryObject as jest.Mock).mock.calls[0][1];
+      expect(Object.keys(passedAppState).length).toBe(MAX_ENTRY_NB);
+      expect(passedAppState).not.toHaveProperty("key0");
+    });
+
+    it("should not remove the oldest entry when the number of entries does not exceed the limit", () => {
+      (LocalStorageUtility.getEntryObject as jest.Mock).mockReturnValue({
+        key0: {
+          schemaVersion: 1,
+          timestamp: 0,
+          data: {},
+        },
+        key1: {
+          schemaVersion: 1,
+          timestamp: 1,
+          data: {},
+        },
+      });
+      saveState(storePath, testState);
+      const passedAppState = (LocalStorageUtility.setEntryObject as jest.Mock).mock.calls[0][1];
+      expect(Object.keys(passedAppState).length).toBe(3);
+    });
+  });
+
+  describe("loadState()", () => {
+    it("should load state", () => {
+      const data = { aa: 1, bb: "2", cc: [3, 4] };
+      const testState = {
+        [key]: {
+          schemaVersion: 1,
+          timestamp: 0,
+          data,
+        },
+      };
+      (LocalStorageUtility.getEntryObject as jest.Mock).mockReturnValue(testState);
+      const state = loadState(storePath);
+      expect(state).toEqual(data);
+    });
+
+    it("should return undefined if the state is not found", () => {
+      (LocalStorageUtility.getEntryObject as jest.Mock).mockReturnValue(null);
+      const state = loadState(storePath);
+      expect(state).toBeUndefined();
+    });
+  });
+
+  describe("deleteState()", () => {
+    it("should delete state", () => {
+      const key = createKeyFromPath(storePath);
+      (LocalStorageUtility.getEntryObject as jest.Mock).mockReturnValue({
+        [key]: {
+          schemaVersion: 1,
+          timestamp: 0,
+          data: {},
+        },
+        otherKey: {
+          schemaVersion: 2,
+          timestamp: 0,
+          data: {},
+        },
+      });
+
+      deleteState(storePath);
+      expect(LocalStorageUtility.setEntryObject).toHaveBeenCalledTimes(1);
+      const passedAppState = (LocalStorageUtility.setEntryObject as jest.Mock).mock.calls[0][1];
+      expect(passedAppState).not.toHaveProperty(key);
+      expect(passedAppState).toHaveProperty("otherKey");
+    });
+  });
+  describe("createKeyFromPath()", () => {
+    it("should create path that contains all components", () => {
+      const key = createKeyFromPath(storePath);
+      expect(key).toContain(storePath.componentName);
+      expect(key).toContain(storePath.subComponentName);
+      expect(key).toContain(storePath.globalAccountName);
+      expect(key).toContain(storePath.databaseName);
+      expect(key).toContain(storePath.containerName);
+    });
+
+    it("should handle components that include special characters", () => {
+      const storePath = {
+        componentName: AppStateComponentNames.DocumentsTab,
+        subComponentName: 'd"e"f',
+        globalAccountName: "g:hi{j",
+        databaseName: "a/b/c",
+        containerName: "https://blahblah.document.azure.com:443/",
+      };
+      const key = createKeyFromPath(storePath);
+      const segments = key.split(PATH_SEPARATOR);
+      expect(segments.length).toEqual(6); // There should be 5 segments
+      expect(segments[0]).toBe("");
+
+      const expectSubstringsInValue = (value: string, subStrings: string[]): boolean =>
+        subStrings.every((subString) => value.includes(subString));
+
+      expect(expectSubstringsInValue(segments[2], ["d", "e", "f"])).toBe(true);
+      expect(expectSubstringsInValue(segments[3], ["g", "hi", "j"])).toBe(true);
+      expect(expectSubstringsInValue(segments[4], ["a", "b", "c"])).toBe(true);
+      expect(expectSubstringsInValue(segments[5], ["https", "blahblah", "document", "com", "443"])).toBe(true);
+    });
+  });
+});

src/Shared/AppStatePersistenceUtility.ts

@@ -0,0 +1,114 @@
+import { LocalStorageUtility, StorageKey } from "Shared/StorageUtility";
+
+// The component name whose state is being saved. Component name must not include special characters.
+export enum AppStateComponentNames {
+  DocumentsTab = "DocumentsTab",
+  MostRecentActivity = "MostRecentActivity",
+  QueryCopilot = "QueryCopilot",
+}
+
+export const PATH_SEPARATOR = "/"; // export for testing purposes
+const SCHEMA_VERSION = 1;
+
+// Export for testing purposes
+export const MAX_ENTRY_NB = 100_000; // Limit number of entries to 100k
+
+export interface StateData {
+  schemaVersion: number;
+  timestamp: number;
+  data: unknown;
+}
+
+// Export for testing purposes
+export type StorePath = {
+  componentName: AppStateComponentNames;
+  subComponentName?: string;
+  globalAccountName?: string;
+  databaseName?: string;
+  containerName?: string;
+};
+
+// Load and save state data
+export const loadState = (path: StorePath): unknown => {
+  const appState =
+    LocalStorageUtility.getEntryObject<ApplicationState>(StorageKey.AppState) || ({} as ApplicationState);
+  const key = createKeyFromPath(path);
+  return appState[key]?.data;
+};
+
+export const saveState = (path: StorePath, state: unknown): void => {
+  // Retrieve state object
+  const appState =
+    LocalStorageUtility.getEntryObject<ApplicationState>(StorageKey.AppState) || ({} as ApplicationState);
+  const key = createKeyFromPath(path);
+  appState[key] = {
+    schemaVersion: SCHEMA_VERSION,
+    timestamp: Date.now(),
+    data: state,
+  };
+
+  if (Object.keys(appState).length > MAX_ENTRY_NB) {
+    // Remove the oldest entry
+    const oldestKey = Object.keys(appState).reduce((oldest, current) =>
+      appState[current].timestamp < appState[oldest].timestamp ? current : oldest,
+    );
+    delete appState[oldestKey];
+  }
+
+  LocalStorageUtility.setEntryObject(StorageKey.AppState, appState);
+};
+
+export const deleteState = (path: StorePath): void => {
+  // Retrieve state object
+  const appState =
+    LocalStorageUtility.getEntryObject<ApplicationState>(StorageKey.AppState) || ({} as ApplicationState);
+  const key = createKeyFromPath(path);
+  delete appState[key];
+  LocalStorageUtility.setEntryObject(StorageKey.AppState, appState);
+};
+
+export const hasState = (path: StorePath): boolean => {
+  return loadState(path) !== undefined;
+};
+
+// This is for high-frequency state changes
+let timeoutId: NodeJS.Timeout | undefined;
+export const saveStateDebounced = (path: StorePath, state: unknown, debounceDelayMs = 1000): void => {
+  if (timeoutId) {
+    clearTimeout(timeoutId);
+  }
+  timeoutId = setTimeout(() => saveState(path, state), debounceDelayMs);
+};
+
+interface ApplicationState {
+  [statePath: string]: StateData;
+}
+
+const orderedPathSegments: (keyof StorePath)[] = [
+  "subComponentName",
+  "globalAccountName",
+  "databaseName",
+  "containerName",
+];
+
+/**
+ * /componentName/subComponentName/globalAccountName/databaseName/containerName/
+ * Any of the path segments can be "" except componentName
+ * Export for testing purposes
+ * @param path
+ */
+export const createKeyFromPath = (path: StorePath): string => {
+  let key = `${PATH_SEPARATOR}${encodeURIComponent(path.componentName)}`; // ComponentName is always there
+  orderedPathSegments.forEach((segment) => {
+    const segmentValue = path[segment as keyof StorePath];
+    key += `${PATH_SEPARATOR}${segmentValue !== undefined ? encodeURIComponent(segmentValue) : ""}`;
+  });
+  return key;
+};
+
+/**
+ * Remove the entire app state key from local storage
+ */
+export const deleteAllStates = (): void => {
+  LocalStorageUtility.removeEntry(StorageKey.AppState);
+};

src/Shared/LocalStorageUtility.ts

@@ -20,3 +20,14 @@ export const setEntryNumber = (key: StorageKey, value: number): void =>
 
 export const setEntryBoolean = (key: StorageKey, value: boolean): void =>
   localStorage.setItem(StorageKey[key], value.toString());
+
+export const setEntryObject = (key: StorageKey, value: unknown): void => {
+  localStorage.setItem(StorageKey[key], JSON.stringify(value));
+};
+export const getEntryObject = <T>(key: StorageKey): T | null => {
+  const item = localStorage.getItem(StorageKey[key]);
+  if (item) {
+    return JSON.parse(item) as T;
+  }
+  return null;
+};

src/Shared/StorageUtility.ts

@@ -24,12 +24,14 @@ export enum StorageKey {
   MaxDegreeOfParellism,
   IsGraphAutoVizDisabled,
   TenantId,
-  MostRecentActivity,
+  MostRecentActivity, // deprecated
   SetPartitionKeyUndefined,
   GalleryCalloutDismissed,
   VisitedAccounts,
   PriorityLevel,
+  DocumentsTabPrefs,
   DefaultQueryResultsView,
+  AppState,
 }
 
 export const hasRUThresholdBeenConfigured = (): boolean => {
@@ -56,10 +58,10 @@ export const getRUThreshold = (): number => {
 
 export const getDefaultQueryResultsView = (): SplitterDirection => {
   const defaultQueryResultsViewRaw = LocalStorageUtility.getEntryString(StorageKey.DefaultQueryResultsView);
-  if (defaultQueryResultsViewRaw === SplitterDirection.Horizontal) {
-    return SplitterDirection.Horizontal;
-  }
+  if (defaultQueryResultsViewRaw === SplitterDirection.Vertical) {
     return SplitterDirection.Vertical;
+  }
+  return SplitterDirection.Horizontal;
 };
 
 export const DefaultRUThreshold = 5000;

src/Shared/Telemetry/TelemetryConstants.ts

@@ -139,6 +139,9 @@ export enum Action {
   QueryEdited,
   ExecuteQueryGeneratedFromQueryCopilot,
   DeleteDocuments,
+  ReadPersistedTabState,
+  SavePersistedTabState,
+  DeletePersistedTabState,
 }
 
 export const ActionModifiers = {

src/Utils/EndpointUtils.ts

@@ -52,7 +52,11 @@ export const defaultAllowedArmEndpoints: ReadonlyArray<string> = [
   "https://management.chinacloudapi.cn",
 ];
 
-export const allowedAadEndpoints: ReadonlyArray<string> = ["https://login.microsoftonline.com/"];
+export const allowedAadEndpoints: ReadonlyArray<string> = [
+  "https://login.microsoftonline.com/",
+  "https://login.microsoftonline.us/",
+  "https://login.partner.microsoftonline.cn/",
+];
 
 export const defaultAllowedBackendEndpoints: ReadonlyArray<string> = [
   "https://main.documentdb.ext.azure.com",
@@ -74,6 +78,13 @@ export const PortalBackendIPs: { [key: string]: string[] } = {
   //usnat: ["7.28.202.68"],
 };
 
+export const PortalBackendOutboundIPs: { [key: string]: string[] } = {
+  [PortalBackendEndpoints.Mpac]: ["13.91.105.215", "4.210.172.107"],
+  [PortalBackendEndpoints.Prod]: ["13.88.56.148", "40.91.218.243"],
+  [PortalBackendEndpoints.Fairfax]: ["52.247.163.6", "52.244.134.181"],
+  [PortalBackendEndpoints.Mooncake]: ["163.228.137.6", "143.64.170.142"],
+};
+
 export const MongoProxyOutboundIPs: { [key: string]: string[] } = {
   [MongoProxyEndpoints.Mpac]: ["20.245.81.54", "40.118.23.126"],
   [MongoProxyEndpoints.Prod]: ["40.80.152.199", "13.95.130.121"],
@@ -164,7 +175,28 @@ export function useNewPortalBackendEndpoint(backendApi: string): boolean {
       PortalBackendEndpoints.Mpac,
       PortalBackendEndpoints.Prod,
     ],
-    [BackendApi.AccountRestrictions]: [PortalBackendEndpoints.Development, PortalBackendEndpoints.Mpac],
+    [BackendApi.AccountRestrictions]: [
+      PortalBackendEndpoints.Development,
+      PortalBackendEndpoints.Mpac,
+      PortalBackendEndpoints.Prod,
+    ],
+    [BackendApi.RuntimeProxy]: [
+      PortalBackendEndpoints.Development,
+      PortalBackendEndpoints.Mpac,
+      PortalBackendEndpoints.Prod,
+    ],
+    [BackendApi.DisallowedLocations]: [
+      PortalBackendEndpoints.Development,
+      PortalBackendEndpoints.Mpac,
+      PortalBackendEndpoints.Prod,
+      PortalBackendEndpoints.Fairfax,
+      PortalBackendEndpoints.Mooncake,
+    ],
+    [BackendApi.SampleData]: [
+      PortalBackendEndpoints.Development,
+      PortalBackendEndpoints.Mpac,
+      PortalBackendEndpoints.Prod,
+    ],
   };
 
   if (!newBackendApiEnvironmentMap[backendApi] || !configContext.PORTAL_BACKEND_ENDPOINT) {

src/Utils/NetworkUtility.test.ts

@@ -1,20 +1,15 @@
+import { MongoProxyEndpoints, PortalBackendEndpoints } from "Common/Constants";
 import { resetConfigContext, updateConfigContext } from "ConfigContext";
 import { DatabaseAccount, IpRule } from "Contracts/DataModels";
 import { updateUserContext } from "UserContext";
-import { PortalBackendIPs } from "Utils/EndpointUtils";
+import { MongoProxyOutboundIPs, PortalBackendIPs, PortalBackendOutboundIPs } from "Utils/EndpointUtils";
 import { getNetworkSettingsWarningMessage } from "./NetworkUtility";
 
 describe("NetworkUtility tests", () => {
   describe("getNetworkSettingsWarningMessage", () => {
+    const legacyBackendEndpoint: string = "https://main.documentdb.ext.azure.com";
     const publicAccessMessagePart = "Please enable public access to proceed";
     const accessMessagePart = "Please allow access from Azure Portal to proceed";
-    // validEnpoints are a subset of those from Utils/EndpointValidation/PortalBackendIPs
-    const validEndpoints = [
-      "https://main.documentdb.ext.azure.com",
-      "https://main.documentdb.ext.azure.cn",
-      "https://main.documentdb.ext.azure.us",
-    ];
-
     let warningMessageResult: string;
     const warningMessageFunc = (msg: string) => (warningMessageResult = msg);
 
@@ -52,20 +47,28 @@ describe("NetworkUtility tests", () => {
       expect(warningMessageResult).toContain(publicAccessMessagePart);
     });
 
-    it(`should return no message when the appropriate ip rules are added to mongo/cassandra account per endpoint`, () => {
-      validEndpoints.forEach(async (endpoint) => {
+    it(`should return no message when the appropriate ip rules are added to mongo/cassandra account per endpoint`, async () => {
+      const portalBackendOutboundIPsWithLegacyIPs: string[] = [
+        ...PortalBackendOutboundIPs[PortalBackendEndpoints.Mpac],
+        ...PortalBackendOutboundIPs[PortalBackendEndpoints.Prod],
+        ...MongoProxyOutboundIPs[MongoProxyEndpoints.Mpac],
+        ...MongoProxyOutboundIPs[MongoProxyEndpoints.Prod],
+        ...PortalBackendIPs["https://main.documentdb.ext.azure.com"],
+      ];
       updateUserContext({
         databaseAccount: {
           kind: "MongoDB",
           properties: {
-              ipRules: PortalBackendIPs[endpoint].map((ip: string) => ({ ipAddressOrRange: ip }) as IpRule),
+            ipRules: portalBackendOutboundIPsWithLegacyIPs.map((ip: string) => ({ ipAddressOrRange: ip }) as IpRule),
             publicNetworkAccess: "Enabled",
           },
         } as DatabaseAccount,
       });
 
       updateConfigContext({
-          BACKEND_ENDPOINT: endpoint,
+        BACKEND_ENDPOINT: legacyBackendEndpoint,
+        PORTAL_BACKEND_ENDPOINT: PortalBackendEndpoints.Mpac,
+        MONGO_PROXY_ENDPOINT: MongoProxyEndpoints.Mpac,
       });
 
       let asyncWarningMessageResult: string;
@@ -74,10 +77,8 @@ describe("NetworkUtility tests", () => {
       await getNetworkSettingsWarningMessage(asyncWarningMessageFunc);
       expect(asyncWarningMessageResult).toBeUndefined();
     });
-    });
 
-    it("should return accessMessage when incorrent ip rule is added to mongo/cassandra account per endpoint", () => {
-      validEndpoints.forEach(async (endpoint) => {
+    it("should return accessMessage when incorrent ip rule is added to mongo/cassandra account per endpoint", async () => {
       updateUserContext({
         databaseAccount: {
           kind: "MongoDB",
@@ -89,7 +90,9 @@ describe("NetworkUtility tests", () => {
       });
 
       updateConfigContext({
-          BACKEND_ENDPOINT: endpoint,
+        BACKEND_ENDPOINT: legacyBackendEndpoint,
+        PORTAL_BACKEND_ENDPOINT: PortalBackendEndpoints.Mpac,
+        MONGO_PROXY_ENDPOINT: MongoProxyEndpoints.Mpac,
       });
 
       let asyncWarningMessageResult: string;
@@ -98,7 +101,6 @@ describe("NetworkUtility tests", () => {
       await getNetworkSettingsWarningMessage(asyncWarningMessageFunc);
       expect(asyncWarningMessageResult).toContain(accessMessagePart);
     });
-    });
 
     // Postgres and vcore mongo account checks basically pass through to CheckFirewallRules so those
     // tests are omitted here and included in CheckFirewallRules.test.ts

src/Utils/NetworkUtility.ts

@@ -1,7 +1,13 @@
+import { CassandraProxyEndpoints, MongoProxyEndpoints, PortalBackendEndpoints } from "Common/Constants";
 import { configContext } from "ConfigContext";
 import { checkFirewallRules } from "Explorer/Tabs/Shared/CheckFirewallRules";
 import { userContext } from "UserContext";
-import { PortalBackendIPs } from "Utils/EndpointUtils";
+import {
+  CassandraProxyOutboundIPs,
+  MongoProxyOutboundIPs,
+  PortalBackendIPs,
+  PortalBackendOutboundIPs,
+} from "Utils/EndpointUtils";
 
 export const getNetworkSettingsWarningMessage = async (
   setStateFunc: (warningMessage: string) => void,
@@ -45,8 +51,44 @@ export const getNetworkSettingsWarningMessage = async (
     const ipRules = accountProperties.ipRules;
     // public network access is NOT set to "All networks"
     if (ipRules?.length > 0) {
-      if (userContext.apiType === "Cassandra" || userContext.apiType === "Mongo") {
-        const portalIPs = PortalBackendIPs[configContext.BACKEND_ENDPOINT];
+      const isProdOrMpacPortalBackendEndpoint: boolean = [
+        PortalBackendEndpoints.Mpac,
+        PortalBackendEndpoints.Prod,
+      ].includes(configContext.PORTAL_BACKEND_ENDPOINT);
+      const portalBackendOutboundIPs: string[] = isProdOrMpacPortalBackendEndpoint
+        ? [
+            ...PortalBackendOutboundIPs[PortalBackendEndpoints.Mpac],
+            ...PortalBackendOutboundIPs[PortalBackendEndpoints.Prod],
+          ]
+        : PortalBackendOutboundIPs[configContext.PORTAL_BACKEND_ENDPOINT];
+      let portalIPs: string[] = [...portalBackendOutboundIPs, ...PortalBackendIPs[configContext.BACKEND_ENDPOINT]];
+
+      if (userContext.apiType === "Mongo") {
+        const isProdOrMpacMongoProxyEndpoint: boolean = [MongoProxyEndpoints.Mpac, MongoProxyEndpoints.Prod].includes(
+          configContext.MONGO_PROXY_ENDPOINT,
+        );
+
+        const mongoProxyOutboundIPs: string[] = isProdOrMpacMongoProxyEndpoint
+          ? [...MongoProxyOutboundIPs[MongoProxyEndpoints.Mpac], ...MongoProxyOutboundIPs[MongoProxyEndpoints.Prod]]
+          : MongoProxyOutboundIPs[configContext.MONGO_PROXY_ENDPOINT];
+
+        portalIPs = [...portalIPs, ...mongoProxyOutboundIPs];
+      } else if (userContext.apiType === "Cassandra") {
+        const isProdOrMpacCassandraProxyEndpoint: boolean = [
+          CassandraProxyEndpoints.Mpac,
+          CassandraProxyEndpoints.Prod,
+        ].includes(configContext.CASSANDRA_PROXY_ENDPOINT);
+
+        const cassandraProxyOutboundIPs: string[] = isProdOrMpacCassandraProxyEndpoint
+          ? [
+              ...CassandraProxyOutboundIPs[CassandraProxyEndpoints.Mpac],
+              ...CassandraProxyOutboundIPs[CassandraProxyEndpoints.Prod],
+            ]
+          : CassandraProxyOutboundIPs[configContext.CASSANDRA_PROXY_ENDPOINT];
+
+        portalIPs = [...portalIPs, ...cassandraProxyOutboundIPs];
+      }
+
       let numberOfMatches = 0;
       ipRules.forEach((ipRule) => {
         if (portalIPs.indexOf(ipRule.ipAddressOrRange) !== -1) {
@@ -59,5 +101,4 @@ export const getNetworkSettingsWarningMessage = async (
       }
     }
   }
-  }
 };