diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a53b92645..fd097a194 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,6 +8,9 @@ on:
   pull_request:
     branches:
       - master
+permissions:
+  id-token: write
+  contents: read
 jobs:
   codemetrics:
     runs-on: ubuntu-latest
@@ -134,7 +137,7 @@ jobs:
     runs-on: ubuntu-latest
     env:
       NODE_TLS_REJECT_UNAUTHORIZED: 0
-      NOTEBOOKS_TEST_RUNNER_CLIENT_SECRET: ${{ secrets.NOTEBOOKS_TEST_RUNNER_CLIENT_SECRET }}
+      AZURE_SUBSCRIPTION_ID: ${{ secrets.AZURE_SUBSCRIPTION_ID }}
     strategy:
       fail-fast: false
       matrix:
@@ -145,11 +148,18 @@ jobs:
           - ./test/mongo/container.spec.ts
           - ./test/mongo/container32.spec.ts
           - ./test/selfServe/selfServeExample.spec.ts
-          # - ./test/notebooks/upload.spec.ts // TEMP disabled since notebooks service is off
           - ./test/sql/resourceToken.spec.ts
           - ./test/tables/container.spec.ts
     steps:
       - uses: actions/checkout@v4
+
+      - name: "Az CLI login"
+        uses: azure/login@v1
+        with:
+          client-id: ${{ secrets.AZURE_CLIENT_ID }}
+          tenant-id: ${{ secrets.AZURE_TENANT_ID }}
+          subscription-id: ${{ secrets.AZURE_SUBSCRIPTION_ID }}
+
       - name: Use Node.js 18.x
         uses: actions/setup-node@v4
         with:
diff --git a/.github/workflows/cleanup.yml b/.github/workflows/cleanup.yml
index 229477f0b..6698951ae 100644
--- a/.github/workflows/cleanup.yml
+++ b/.github/workflows/cleanup.yml
@@ -9,6 +9,10 @@ on:
     # Once every hour
     - cron: "0 15 * * *"
 
+permissions:
+  id-token: write
+  contents: read
+
 # A workflow run is made up of one or more jobs that can run sequentially or in parallel
 jobs:
   # This workflow contains a single job called "build"
@@ -16,10 +20,17 @@ jobs:
     name: "Cleanup Test Database Accounts"
     runs-on: ubuntu-latest
     env:
-      NOTEBOOKS_TEST_RUNNER_CLIENT_ID: ${{ secrets.NOTEBOOKS_TEST_RUNNER_CLIENT_ID }}
-      NOTEBOOKS_TEST_RUNNER_CLIENT_SECRET: ${{ secrets.NOTEBOOKS_TEST_RUNNER_CLIENT_SECRET }}
+      AZURE_SUBSCRIPTION_ID: ${{ secrets.AZURE_SUBSCRIPTION_ID }}
     steps:
       - uses: actions/checkout@v2
+
+      - name: "Az CLI login"
+        uses: azure/login@v1
+        with:
+          client-id: ${{ secrets.AZURE_CLIENT_ID }}
+          tenant-id: ${{ secrets.AZURE_TENANT_ID }}
+          subscription-id: ${{ secrets.AZURE_SUBSCRIPTION_ID }}
+
       - name: Use Node.js 18.x
         uses: actions/setup-node@v1
         with:
diff --git a/less/documentDB.less b/less/documentDB.less
index aa970cfe4..00ac72a7e 100644
--- a/less/documentDB.less
+++ b/less/documentDB.less
@@ -2296,6 +2296,17 @@ a:link {
   display: none !important;
 }
 
+.monaco-editor .quick-input-list-label {
+  /* Restore some of Monaco's default styles that are clobbered by our global styles */
+  padding: 0;
+  line-height: 22px;
+}
+
+.monaco-editor .quick-input-list .highlight {
+  /* Padding in highlighted text within the quick input list breaks the flow of the text */
+  padding: 0;
+}
+
 td a {
   color: #393939;
 }
diff --git a/src/Common/Constants.ts b/src/Common/Constants.ts
index fe9c2672d..1eed03a4f 100644
--- a/src/Common/Constants.ts
+++ b/src/Common/Constants.ts
@@ -124,8 +124,9 @@ export enum MongoBackendEndpointType {
   remote,
 }
 
-export enum BackendApi {
-  GenerateToken,
+export class BackendApi {
+  public static readonly GenerateToken: string = "GenerateToken";
+  public static readonly PortalSettings: string = "PortalSettings";
 }
 
 export class PortalBackendEndpoints {
diff --git a/src/Common/MongoProxyClient.ts b/src/Common/MongoProxyClient.ts
index e37b0eff5..44400d874 100644
--- a/src/Common/MongoProxyClient.ts
+++ b/src/Common/MongoProxyClient.ts
@@ -67,7 +67,7 @@ export function queryDocuments(
   query: string,
   continuationToken?: string,
 ): Promise<QueryResponse> {
-  if (!useMongoProxyEndpoint("resourcelist")) {
+  if (!useMongoProxyEndpoint("resourcelist") || !useMongoProxyEndpoint("queryDocuments")) {
     return queryDocuments_ToBeDeprecated(databaseId, collection, isResourceList, query, continuationToken);
   }
 
@@ -106,7 +106,7 @@ export function queryDocuments(
     headers[CosmosSDKConstants.HttpHeaders.Continuation] = continuationToken;
   }
 
-  const path = isResourceList ? "/resourcelist" : "";
+  const path = isResourceList ? "/resourcelist" : "/queryDocuments";
 
   return window
     .fetch(`${endpoint}${path}`, {
@@ -690,9 +690,16 @@ export function getARMCreateCollectionEndpoint(params: DataModels.MongoParameter
 }
 
 function useMongoProxyEndpoint(api: string): boolean {
-  const activeMongoProxyEndpoints: string[] = [MongoProxyEndpoints.Development];
+  const activeMongoProxyEndpoints: string[] = [
+    MongoProxyEndpoints.Development,
+    MongoProxyEndpoints.Mpac,
+    MongoProxyEndpoints.Prod,
+  ];
   let canAccessMongoProxy: boolean = userContext.databaseAccount.properties.publicNetworkAccess === "Enabled";
-  if (userContext.databaseAccount.properties.ipRules?.length > 0) {
+  if (
+    configContext.MONGO_PROXY_ENDPOINT !== MongoProxyEndpoints.Development &&
+    userContext.databaseAccount.properties.ipRules?.length > 0
+  ) {
     canAccessMongoProxy = canAccessMongoProxy && configContext.MONGO_PROXY_OUTBOUND_IPS_ALLOWLISTED;
   }
 
diff --git a/src/ConfigContext.ts b/src/ConfigContext.ts
index e3350c7f6..435166b90 100644
--- a/src/ConfigContext.ts
+++ b/src/ConfigContext.ts
@@ -99,24 +99,19 @@ let configContext: Readonly<ConfigContext> = {
   JUNO_ENDPOINT: JunoEndpoints.Prod,
   BACKEND_ENDPOINT: "https://main.documentdb.ext.azure.com",
   PORTAL_BACKEND_ENDPOINT: PortalBackendEndpoints.Prod,
-  NEW_BACKEND_APIS: [BackendApi.GenerateToken],
   MONGO_PROXY_ENDPOINT: MongoProxyEndpoints.Prod,
   NEW_MONGO_APIS: [
-    // "resourcelist",
-    // "createDocument",
-    // "readDocument",
-    // "updateDocument",
-    // "deleteDocument",
-    // "createCollectionWithProxy",
+    "resourcelist",
+    "queryDocuments",
+    "createDocument",
+    "readDocument",
+    "updateDocument",
+    "deleteDocument",
+    "createCollectionWithProxy",
   ],
   MONGO_PROXY_OUTBOUND_IPS_ALLOWLISTED: false,
   CASSANDRA_PROXY_ENDPOINT: CassandraProxyEndpoints.Prod,
-  NEW_CASSANDRA_APIS: [
-    // "postQuery",
-    // "createOrDelete",
-    // "getKeys",
-    // "getSchema",
-  ],
+  NEW_CASSANDRA_APIS: ["postQuery", "createOrDelete", "getKeys", "getSchema"],
   CASSANDRA_PROXY_OUTBOUND_IPS_ALLOWLISTED: false,
   isTerminalEnabled: false,
   isPhoenixEnabled: false,
diff --git a/src/Contracts/FabricMessagesContract.ts b/src/Contracts/FabricMessagesContract.ts
index d0b36f1c6..b381fd845 100644
--- a/src/Contracts/FabricMessagesContract.ts
+++ b/src/Contracts/FabricMessagesContract.ts
@@ -53,6 +53,7 @@ export type FabricMessageV2 =
       id: string;
       message: {
         connectionId: string;
+        isVisible: boolean;
       };
     }
   | {
@@ -72,7 +73,7 @@ export type FabricMessageV2 =
       };
     }
   | {
-      type: "setToolbarStatus";
+      type: "explorerVisible";
       message: {
         visible: boolean;
       };
diff --git a/src/Contracts/MessageTypes.ts b/src/Contracts/MessageTypes.ts
index 1cbd86bb8..a19b69e5f 100644
--- a/src/Contracts/MessageTypes.ts
+++ b/src/Contracts/MessageTypes.ts
@@ -47,6 +47,7 @@ export enum MessageTypes {
   GetAllResourceTokens, // Data Explorer -> Fabric
   Ready, // Data Explorer -> Fabric
   OpenCESCVAFeedbackBlade,
+  ActivateTab,
 }
 
 export interface AuthorizationToken {
diff --git a/src/Contracts/ViewModels.ts b/src/Contracts/ViewModels.ts
index b79ddce4e..66fd54ec4 100644
--- a/src/Contracts/ViewModels.ts
+++ b/src/Contracts/ViewModels.ts
@@ -387,6 +387,7 @@ export interface DataExplorerInputsFrame {
   dnsSuffix?: string;
   serverId?: string;
   extensionEndpoint?: string;
+  portalBackendEndpoint?: string;
   mongoProxyEndpoint?: string;
   cassandraProxyEndpoint?: string;
   subscriptionType?: SubscriptionType;
diff --git a/src/Explorer/Controls/Editor/EditorReact.tsx b/src/Explorer/Controls/Editor/EditorReact.tsx
index 956253a05..47268c856 100644
--- a/src/Explorer/Controls/Editor/EditorReact.tsx
+++ b/src/Explorer/Controls/Editor/EditorReact.tsx
@@ -46,9 +46,25 @@ export class EditorReact extends React.Component<EditorReactProps, EditorReactSt
     }, 100);
   }
 
-  public componentDidUpdate(previous: EditorReactProps) {
-    if (this.props.content !== previous.content) {
-      this.editor?.setValue(this.props.content);
+  public componentDidUpdate() {
+    if (!this.editor) {
+      return;
+    }
+
+    const existingContent = this.editor.getModel().getValue();
+
+    if (this.props.content !== existingContent) {
+      if (this.props.isReadOnly) {
+        this.editor.setValue(this.props.content);
+      } else {
+        this.editor.pushUndoStop();
+        this.editor.executeEdits("", [
+          {
+            range: this.editor.getModel().getFullModelRange(),
+            text: this.props.content,
+          },
+        ]);
+      }
     }
   }
 
@@ -71,9 +87,14 @@ export class EditorReact extends React.Component<EditorReactProps, EditorReactSt
 
   protected configureEditor(editor: monaco.editor.IStandaloneCodeEditor) {
     this.editor = editor;
-    const queryEditorModel = this.editor.getModel();
     if (!this.props.isReadOnly && this.props.onContentChanged) {
-      queryEditorModel.onDidChangeContent(() => {
+      // Hooking the model's onDidChangeContent event because of some event ordering issues.
+      // If a single user input causes BOTH the editor content to change AND the cursor selection to change (which is likely),
+      // then there are some inconsistencies as to which event fires first.
+      // But the editor.onDidChangeModelContent event seems to always fire before the cursor selection event.
+      // (This is NOT true for the model's onDidChangeContent event, which sometimes fires after the cursor selection event.)
+      // If the cursor selection event fires first, then the calling component may re-render the component with old content, so we want to ensure the model content changed event always fires first.
+      this.editor.onDidChangeModelContent(() => {
         const queryEditorModel = this.editor.getModel();
         this.props.onContentChanged(queryEditorModel.getValue());
       });
diff --git a/src/Explorer/Menus/CommandBar/CommandBarComponentButtonFactory.test.ts b/src/Explorer/Menus/CommandBar/CommandBarComponentButtonFactory.test.ts
index 677df81de..0a4a805d2 100644
--- a/src/Explorer/Menus/CommandBar/CommandBarComponentButtonFactory.test.ts
+++ b/src/Explorer/Menus/CommandBar/CommandBarComponentButtonFactory.test.ts
@@ -2,10 +2,8 @@ import * as ko from "knockout";
 import { AuthType } from "../../../AuthType";
 import { DatabaseAccount } from "../../../Contracts/DataModels";
 import { CollectionBase } from "../../../Contracts/ViewModels";
-import { GitHubOAuthService } from "../../../GitHub/GitHubOAuthService";
 import { updateUserContext } from "../../../UserContext";
 import Explorer from "../../Explorer";
-import NotebookManager from "../../Notebook/NotebookManager";
 import { useNotebook } from "../../Notebook/useNotebook";
 import { useDatabases } from "../../useDatabases";
 import { useSelectedNode } from "../../useSelectedNode";
@@ -72,181 +70,6 @@ describe("CommandBarComponentButtonFactory tests", () => {
     });
   });
 
-  describe("Enable notebook button", () => {
-    const enableNotebookBtnLabel = "Enable Notebooks (Preview)";
-    const selectedNodeState = useSelectedNode.getState();
-
-    beforeAll(() => {
-      mockExplorer = {} as Explorer;
-      updateUserContext({
-        portalEnv: "prod",
-        databaseAccount: {
-          properties: {
-            capabilities: [{ name: "EnableTable" }],
-          },
-        } as DatabaseAccount,
-      });
-    });
-
-    afterEach(() => {
-      updateUserContext({
-        portalEnv: "prod",
-      });
-      useNotebook.getState().setIsNotebookEnabled(false);
-      useNotebook.getState().setIsNotebooksEnabledForAccount(false);
-    });
-
-    it("Notebooks is already enabled - button should be hidden", () => {
-      useNotebook.getState().setIsNotebookEnabled(true);
-      useNotebook.getState().setIsNotebooksEnabledForAccount(true);
-
-      const buttons = CommandBarComponentButtonFactory.createStaticCommandBarButtons(mockExplorer, selectedNodeState);
-      const enableNotebookBtn = buttons.find((button) => button.commandButtonLabel === enableNotebookBtnLabel);
-      expect(enableNotebookBtn).toBeUndefined();
-    });
-
-    it("Account is running on one of the national clouds - button should be hidden", () => {
-      updateUserContext({
-        portalEnv: "mooncake",
-      });
-
-      const buttons = CommandBarComponentButtonFactory.createStaticCommandBarButtons(mockExplorer, selectedNodeState);
-      const enableNotebookBtn = buttons.find((button) => button.commandButtonLabel === enableNotebookBtnLabel);
-      expect(enableNotebookBtn).toBeUndefined();
-    });
-
-    it("Notebooks is not enabled but is available - button should be shown and enabled", () => {
-      useNotebook.getState().setIsNotebooksEnabledForAccount(true);
-
-      const buttons = CommandBarComponentButtonFactory.createStaticCommandBarButtons(mockExplorer, selectedNodeState);
-      const enableNotebookBtn = buttons.find((button) => button.commandButtonLabel === enableNotebookBtnLabel);
-
-      //TODO: modify once notebooks are available
-      expect(enableNotebookBtn).toBeUndefined();
-      //expect(enableNotebookBtn).toBeDefined();
-      //expect(enableNotebookBtn.disabled).toBe(false);
-      //expect(enableNotebookBtn.tooltipText).toBe("");
-    });
-
-    it("Notebooks is not enabled and is unavailable - button should be shown and disabled", () => {
-      const buttons = CommandBarComponentButtonFactory.createStaticCommandBarButtons(mockExplorer, selectedNodeState);
-      const enableNotebookBtn = buttons.find((button) => button.commandButtonLabel === enableNotebookBtnLabel);
-
-      //TODO: modify once notebooks are available
-      expect(enableNotebookBtn).toBeUndefined();
-      //expect(enableNotebookBtn).toBeDefined();
-      //expect(enableNotebookBtn.disabled).toBe(true);
-      //expect(enableNotebookBtn.tooltipText).toBe(
-      //  "Notebooks are not yet available in your account's region. View supported regions here: https://aka.ms/cosmos-enable-notebooks."
-      //);
-    });
-  });
-
-  describe("Open Mongo shell button", () => {
-    const openMongoShellBtnLabel = "Open Mongo shell";
-    const selectedNodeState = useSelectedNode.getState();
-
-    beforeAll(() => {
-      mockExplorer = {} as Explorer;
-      updateUserContext({
-        databaseAccount: {
-          properties: {
-            capabilities: [{ name: "EnableTable" }],
-          },
-        } as DatabaseAccount,
-      });
-    });
-
-    afterAll(() => {
-      updateUserContext({
-        apiType: "SQL",
-      });
-      useNotebook.getState().setIsShellEnabled(false);
-    });
-
-    beforeEach(() => {
-      updateUserContext({
-        apiType: "Mongo",
-      });
-      useNotebook.getState().setIsShellEnabled(true);
-    });
-
-    afterEach(() => {
-      useNotebook.getState().setIsNotebookEnabled(false);
-      useNotebook.getState().setIsNotebooksEnabledForAccount(false);
-    });
-
-    it("Mongo Api not available - button should be hidden", () => {
-      updateUserContext({
-        apiType: "SQL",
-      });
-      const buttons = CommandBarComponentButtonFactory.createStaticCommandBarButtons(mockExplorer, selectedNodeState);
-      const openMongoShellBtn = buttons.find((button) => button.commandButtonLabel === openMongoShellBtnLabel);
-      expect(openMongoShellBtn).toBeUndefined();
-    });
-
-    it("Running on a national cloud - button should be hidden", () => {
-      updateUserContext({
-        portalEnv: "mooncake",
-      });
-
-      const buttons = CommandBarComponentButtonFactory.createStaticCommandBarButtons(mockExplorer, selectedNodeState);
-      const openMongoShellBtn = buttons.find((button) => button.commandButtonLabel === openMongoShellBtnLabel);
-      expect(openMongoShellBtn).toBeUndefined();
-    });
-
-    it("Notebooks is not enabled and is unavailable - button should be hidden", () => {
-      const buttons = CommandBarComponentButtonFactory.createStaticCommandBarButtons(mockExplorer, selectedNodeState);
-      const openMongoShellBtn = buttons.find((button) => button.commandButtonLabel === openMongoShellBtnLabel);
-      expect(openMongoShellBtn).toBeUndefined();
-    });
-
-    it("Notebooks is not enabled and is available - button should be hidden", () => {
-      useNotebook.getState().setIsNotebooksEnabledForAccount(true);
-
-      const buttons = CommandBarComponentButtonFactory.createStaticCommandBarButtons(mockExplorer, selectedNodeState);
-      const openMongoShellBtn = buttons.find((button) => button.commandButtonLabel === openMongoShellBtnLabel);
-      expect(openMongoShellBtn).toBeUndefined();
-    });
-
-    it("Notebooks is enabled and is unavailable - button should be shown and enabled", () => {
-      useNotebook.getState().setIsNotebookEnabled(true);
-
-      const buttons = CommandBarComponentButtonFactory.createStaticCommandBarButtons(mockExplorer, selectedNodeState);
-      const openMongoShellBtn = buttons.find((button) => button.commandButtonLabel === openMongoShellBtnLabel);
-      expect(openMongoShellBtn).toBeDefined();
-
-      //TODO: modify once notebooks are available
-      expect(openMongoShellBtn.disabled).toBe(true);
-      //expect(openMongoShellBtn.disabled).toBe(false);
-      //expect(openMongoShellBtn.tooltipText).toBe("");
-    });
-
-    it("Notebooks is enabled and is available - button should be shown and enabled", () => {
-      useNotebook.getState().setIsNotebookEnabled(true);
-      useNotebook.getState().setIsNotebooksEnabledForAccount(true);
-
-      const buttons = CommandBarComponentButtonFactory.createStaticCommandBarButtons(mockExplorer, selectedNodeState);
-      const openMongoShellBtn = buttons.find((button) => button.commandButtonLabel === openMongoShellBtnLabel);
-      expect(openMongoShellBtn).toBeDefined();
-
-      //TODO: modify once notebooks are available
-      expect(openMongoShellBtn.disabled).toBe(true);
-      //expect(openMongoShellBtn.disabled).toBe(false);
-      //expect(openMongoShellBtn.tooltipText).toBe("");
-    });
-
-    it("Notebooks is enabled and is available, terminal is unavailable due to ipRules - button should be hidden", () => {
-      useNotebook.getState().setIsNotebookEnabled(true);
-      useNotebook.getState().setIsNotebooksEnabledForAccount(true);
-      useNotebook.getState().setIsShellEnabled(false);
-
-      const buttons = CommandBarComponentButtonFactory.createStaticCommandBarButtons(mockExplorer, selectedNodeState);
-      const openMongoShellBtn = buttons.find((button) => button.commandButtonLabel === openMongoShellBtnLabel);
-      expect(openMongoShellBtn).toBeUndefined();
-    });
-  });
-
   describe("Open Cassandra shell button", () => {
     const openCassandraShellBtnLabel = "Open Cassandra shell";
     const selectedNodeState = useSelectedNode.getState();
@@ -305,42 +128,6 @@ describe("CommandBarComponentButtonFactory tests", () => {
       const openCassandraShellBtn = buttons.find((button) => button.commandButtonLabel === openCassandraShellBtnLabel);
       expect(openCassandraShellBtn).toBeUndefined();
     });
-
-    it("Notebooks is not enabled and is available - button should be shown and enabled", () => {
-      useNotebook.getState().setIsNotebooksEnabledForAccount(true);
-
-      const buttons = CommandBarComponentButtonFactory.createStaticCommandBarButtons(mockExplorer, selectedNodeState);
-      const openCassandraShellBtn = buttons.find((button) => button.commandButtonLabel === openCassandraShellBtnLabel);
-      expect(openCassandraShellBtn).toBeUndefined();
-    });
-
-    it("Notebooks is enabled and is unavailable - button should be shown and enabled", () => {
-      useNotebook.getState().setIsNotebookEnabled(true);
-
-      const buttons = CommandBarComponentButtonFactory.createStaticCommandBarButtons(mockExplorer, selectedNodeState);
-      const openCassandraShellBtn = buttons.find((button) => button.commandButtonLabel === openCassandraShellBtnLabel);
-
-      expect(openCassandraShellBtn).toBeDefined();
-
-      //TODO: modify once notebooks are available
-      expect(openCassandraShellBtn.disabled).toBe(true);
-      //expect(openCassandraShellBtn.disabled).toBe(false);
-      //expect(openCassandraShellBtn.tooltipText).toBe("");
-    });
-
-    it("Notebooks is enabled and is available - button should be shown and enabled", () => {
-      useNotebook.getState().setIsNotebookEnabled(true);
-      useNotebook.getState().setIsNotebooksEnabledForAccount(true);
-
-      const buttons = CommandBarComponentButtonFactory.createStaticCommandBarButtons(mockExplorer, selectedNodeState);
-      const openCassandraShellBtn = buttons.find((button) => button.commandButtonLabel === openCassandraShellBtnLabel);
-      expect(openCassandraShellBtn).toBeDefined();
-
-      //TODO: modify once notebooks are available
-      expect(openCassandraShellBtn.disabled).toBe(true);
-      //expect(openCassandraShellBtn.disabled).toBe(false);
-      //expect(openCassandraShellBtn.tooltipText).toBe("");
-    });
   });
 
   describe("Open Postgres and vCore Mongo buttons", () => {
@@ -368,62 +155,6 @@ describe("CommandBarComponentButtonFactory tests", () => {
     });
   });
 
-  describe("GitHub buttons", () => {
-    const connectToGitHubBtnLabel = "Connect to GitHub";
-    const manageGitHubSettingsBtnLabel = "Manage GitHub settings";
-    const selectedNodeState = useSelectedNode.getState();
-
-    beforeAll(() => {
-      mockExplorer = {} as Explorer;
-      updateUserContext({
-        databaseAccount: {
-          properties: {
-            capabilities: [{ name: "EnableTable" }],
-          },
-        } as DatabaseAccount,
-      });
-
-      mockExplorer.notebookManager = new NotebookManager();
-      mockExplorer.notebookManager.gitHubOAuthService = new GitHubOAuthService(undefined);
-    });
-
-    afterEach(() => {
-      jest.resetAllMocks();
-      useNotebook.getState().setIsNotebookEnabled(false);
-    });
-
-    it("Notebooks is enabled and GitHubOAuthService is not logged in - connect to github button should be visible", () => {
-      useNotebook.getState().setIsNotebookEnabled(true);
-
-      const buttons = CommandBarComponentButtonFactory.createStaticCommandBarButtons(mockExplorer, selectedNodeState);
-      const connectToGitHubBtn = buttons.find((button) => button.commandButtonLabel === connectToGitHubBtnLabel);
-      expect(connectToGitHubBtn).toBeDefined();
-    });
-
-    it("Notebooks is enabled and GitHubOAuthService is logged in - manage github settings button should be visible", () => {
-      useNotebook.getState().setIsNotebookEnabled(true);
-      mockExplorer.notebookManager.gitHubOAuthService.isLoggedIn = jest.fn().mockReturnValue(true);
-
-      const buttons = CommandBarComponentButtonFactory.createStaticCommandBarButtons(mockExplorer, selectedNodeState);
-      const manageGitHubSettingsBtn = buttons.find(
-        (button) => button.commandButtonLabel === manageGitHubSettingsBtnLabel,
-      );
-      expect(manageGitHubSettingsBtn).toBeDefined();
-    });
-
-    it("Notebooks is not enabled - connect to github and manage github settings buttons should be hidden", () => {
-      const buttons = CommandBarComponentButtonFactory.createStaticCommandBarButtons(mockExplorer, selectedNodeState);
-
-      const connectToGitHubBtn = buttons.find((button) => button.commandButtonLabel === connectToGitHubBtnLabel);
-      expect(connectToGitHubBtn).toBeUndefined();
-
-      const manageGitHubSettingsBtn = buttons.find(
-        (button) => button.commandButtonLabel === manageGitHubSettingsBtnLabel,
-      );
-      expect(manageGitHubSettingsBtn).toBeUndefined();
-    });
-  });
-
   describe("Resource token", () => {
     const mockCollection = { id: ko.observable("test") } as CollectionBase;
     useSelectedNode.getState().setSelectedNode(mockCollection);
diff --git a/src/Explorer/Menus/CommandBar/CommandBarComponentButtonFactory.tsx b/src/Explorer/Menus/CommandBar/CommandBarComponentButtonFactory.tsx
index c37ae41fb..9851dd668 100644
--- a/src/Explorer/Menus/CommandBar/CommandBarComponentButtonFactory.tsx
+++ b/src/Explorer/Menus/CommandBar/CommandBarComponentButtonFactory.tsx
@@ -7,14 +7,10 @@ import AddStoredProcedureIcon from "../../../../images/AddStoredProcedure.svg";
 import AddTriggerIcon from "../../../../images/AddTrigger.svg";
 import AddUdfIcon from "../../../../images/AddUdf.svg";
 import BrowseQueriesIcon from "../../../../images/BrowseQuery.svg";
-import CosmosTerminalIcon from "../../../../images/Cosmos-Terminal.svg";
 import FeedbackIcon from "../../../../images/Feedback-Command.svg";
 import HomeIcon from "../../../../images/Home_16.svg";
 import HostedTerminalIcon from "../../../../images/Hosted-Terminal.svg";
 import OpenQueryFromDiskIcon from "../../../../images/OpenQueryFromDisk.svg";
-import GitHubIcon from "../../../../images/github.svg";
-import NewNotebookIcon from "../../../../images/notebook/Notebook-new.svg";
-import ResetWorkspaceIcon from "../../../../images/notebook/Notebook-reset-workspace.svg";
 import OpenInTabIcon from "../../../../images/open-in-tab.svg";
 import SettingsIcon from "../../../../images/settings_15x15.svg";
 import SynapseIcon from "../../../../images/synapse-link.svg";
@@ -22,7 +18,6 @@ import { AuthType } from "../../../AuthType";
 import * as Constants from "../../../Common/Constants";
 import { Platform, configContext } from "../../../ConfigContext";
 import * as ViewModels from "../../../Contracts/ViewModels";
-import { JunoClient } from "../../../Juno/JunoClient";
 import { userContext } from "../../../UserContext";
 import { getCollectionName, getDatabaseName } from "../../../Utils/APITypeUtils";
 import { isRunningOnNationalCloud } from "../../../Utils/CloudUtils";
@@ -33,7 +28,6 @@ import { useNotebook } from "../../Notebook/useNotebook";
 import { OpenFullScreen } from "../../OpenFullScreen";
 import { AddDatabasePanel } from "../../Panes/AddDatabasePanel/AddDatabasePanel";
 import { BrowseQueriesPane } from "../../Panes/BrowseQueriesPane/BrowseQueriesPane";
-import { GitHubReposPanel } from "../../Panes/GitHubReposPanel/GitHubReposPanel";
 import { LoadQueryPane } from "../../Panes/LoadQueryPane/LoadQueryPane";
 import { SettingsPane } from "../../Panes/SettingsPane/SettingsPane";
 import { useDatabases } from "../../useDatabases";
@@ -80,57 +74,6 @@ export function createStaticCommandBarButtons(
     }
   }
 
-  if (useNotebook.getState().isNotebookEnabled) {
-    addDivider();
-    const notebookButtons: CommandButtonComponentProps[] = [];
-
-    const newNotebookButton = createNewNotebookButton(container);
-    newNotebookButton.children = [createNewNotebookButton(container), createuploadNotebookButton(container)];
-    notebookButtons.push(newNotebookButton);
-
-    if (container.notebookManager?.gitHubOAuthService) {
-      notebookButtons.push(createManageGitHubAccountButton(container));
-    }
-    if (useNotebook.getState().isPhoenixFeatures && configContext.isTerminalEnabled) {
-      notebookButtons.push(createOpenTerminalButton(container));
-    }
-    if (useNotebook.getState().isPhoenixNotebooks && selectedNodeState.isConnectedToContainer()) {
-      notebookButtons.push(createNotebookWorkspaceResetButton(container));
-    }
-    if (
-      (userContext.apiType === "Mongo" &&
-        useNotebook.getState().isShellEnabled &&
-        selectedNodeState.isDatabaseNodeOrNoneSelected()) ||
-      userContext.apiType === "Cassandra"
-    ) {
-      notebookButtons.push(createDivider());
-      if (userContext.apiType === "Cassandra") {
-        notebookButtons.push(createOpenTerminalButtonByKind(container, ViewModels.TerminalKind.Cassandra));
-      } else {
-        notebookButtons.push(createOpenTerminalButtonByKind(container, ViewModels.TerminalKind.Mongo));
-      }
-    }
-
-    notebookButtons.forEach((btn) => {
-      if (btn.commandButtonLabel.indexOf("Cassandra") !== -1) {
-        if (!useNotebook.getState().isPhoenixFeatures) {
-          applyNotebooksTemporarilyDownStyle(btn, Constants.Notebook.cassandraShellTemporarilyDownMsg);
-        }
-      } else if (btn.commandButtonLabel.indexOf("Mongo") !== -1) {
-        if (!useNotebook.getState().isPhoenixFeatures) {
-          applyNotebooksTemporarilyDownStyle(btn, Constants.Notebook.mongoShellTemporarilyDownMsg);
-        }
-      } else if (btn.commandButtonLabel.indexOf("Open Terminal") !== -1) {
-        if (!useNotebook.getState().isPhoenixFeatures) {
-          applyNotebooksTemporarilyDownStyle(btn, Constants.Notebook.temporarilyDownMsg);
-        }
-      } else if (!useNotebook.getState().isPhoenixNotebooks) {
-        applyNotebooksTemporarilyDownStyle(btn, Constants.Notebook.temporarilyDownMsg);
-      }
-      buttons.push(btn);
-    });
-  }
-
   if (!selectedNodeState.isDatabaseNodeOrNoneSelected()) {
     const isQuerySupported = userContext.apiType === "SQL" || userContext.apiType === "Gremlin";
 
@@ -240,7 +183,7 @@ export function createControlCommandBarButtons(container: Explorer): CommandButt
     buttons.push(fullScreenButton);
   }
 
-  if (configContext.platform !== Platform.Emulator) {
+  if (configContext.platform === Platform.Portal) {
     const label = "Feedback";
     const feedbackButtonOptions: CommandButtonComponentProps = {
       iconSrc: FeedbackIcon,
@@ -449,40 +392,6 @@ export function createScriptCommandButtons(selectedNodeState: SelectedNodeState)
   return buttons;
 }
 
-function applyNotebooksTemporarilyDownStyle(buttonProps: CommandButtonComponentProps, tooltip: string): void {
-  if (!buttonProps.isDivider) {
-    buttonProps.disabled = true;
-    buttonProps.tooltipText = tooltip;
-  }
-}
-
-function createNewNotebookButton(container: Explorer): CommandButtonComponentProps {
-  const label = "New Notebook";
-  return {
-    id: "newNotebookBtn",
-    iconSrc: NewNotebookIcon,
-    iconAlt: label,
-    onCommandClick: () => container.onNewNotebookClicked(),
-    commandButtonLabel: label,
-    hasPopup: false,
-    disabled: useSelectedNode.getState().isQueryCopilotCollectionSelected(),
-    ariaLabel: label,
-  };
-}
-
-function createuploadNotebookButton(container: Explorer): CommandButtonComponentProps {
-  const label = "Upload to Notebook Server";
-  return {
-    iconSrc: NewNotebookIcon,
-    iconAlt: label,
-    onCommandClick: () => container.openUploadFilePanel(),
-    commandButtonLabel: label,
-    hasPopup: false,
-    disabled: useSelectedNode.getState().isQueryCopilotCollectionSelected(),
-    ariaLabel: label,
-  };
-}
-
 function createOpenQueryButton(container: Explorer): CommandButtonComponentProps {
   const label = "Open Query";
   return {
@@ -510,19 +419,6 @@ function createOpenQueryFromDiskButton(): CommandButtonComponentProps {
   };
 }
 
-function createOpenTerminalButton(container: Explorer): CommandButtonComponentProps {
-  const label = "Open Terminal";
-  return {
-    iconSrc: CosmosTerminalIcon,
-    iconAlt: label,
-    onCommandClick: () => container.openNotebookTerminal(ViewModels.TerminalKind.Default),
-    commandButtonLabel: label,
-    hasPopup: false,
-    disabled: useSelectedNode.getState().isQueryCopilotCollectionSelected(),
-    ariaLabel: label,
-  };
-}
-
 function createOpenTerminalButtonByKind(
   container: Explorer,
   terminalKind: ViewModels.TerminalKind,
@@ -562,45 +458,6 @@ function createOpenTerminalButtonByKind(
   };
 }
 
-function createNotebookWorkspaceResetButton(container: Explorer): CommandButtonComponentProps {
-  const label = "Reset Workspace";
-  return {
-    iconSrc: ResetWorkspaceIcon,
-    iconAlt: label,
-    onCommandClick: () => container.resetNotebookWorkspace(),
-    commandButtonLabel: label,
-    hasPopup: false,
-    disabled: useSelectedNode.getState().isQueryCopilotCollectionSelected(),
-    ariaLabel: label,
-  };
-}
-
-function createManageGitHubAccountButton(container: Explorer): CommandButtonComponentProps {
-  const connectedToGitHub: boolean = container.notebookManager?.gitHubOAuthService.isLoggedIn();
-  const label = connectedToGitHub ? "Manage GitHub settings" : "Connect to GitHub";
-  const junoClient = new JunoClient();
-  return {
-    iconSrc: GitHubIcon,
-    iconAlt: label,
-    onCommandClick: () => {
-      useSidePanel
-        .getState()
-        .openSidePanel(
-          label,
-          <GitHubReposPanel
-            explorer={container}
-            gitHubClientProp={container.notebookManager.gitHubClient}
-            junoClientProp={junoClient}
-          />,
-        );
-    },
-    commandButtonLabel: label,
-    hasPopup: false,
-    disabled: useSelectedNode.getState().isQueryCopilotCollectionSelected(),
-    ariaLabel: label,
-  };
-}
-
 function createStaticCommandBarButtonsForResourceToken(
   container: Explorer,
   selectedNodeState: SelectedNodeState,
diff --git a/src/Explorer/OpenActions/OpenActions.tsx b/src/Explorer/OpenActions/OpenActions.tsx
index 876f8e391..f3ef288c8 100644
--- a/src/Explorer/OpenActions/OpenActions.tsx
+++ b/src/Explorer/OpenActions/OpenActions.tsx
@@ -1,4 +1,5 @@
 // TODO convert this file to an action registry in order to have actions and their handlers be more tightly coupled.
+import { useDatabases } from "Explorer/useDatabases";
 import React from "react";
 import { ActionContracts } from "../../Contracts/ExplorerContracts";
 import * as ViewModels from "../../Contracts/ViewModels";
@@ -40,97 +41,112 @@ function openCollectionTab(
   databases: ViewModels.Database[],
   initialDatabaseIndex = 0,
 ) {
-  for (let i = initialDatabaseIndex; i < databases.length; i++) {
-    const database: ViewModels.Database = databases[i];
-    if (!!action.databaseResourceId && database.id() !== action.databaseResourceId) {
-      continue;
-    }
-
-    const collectionActionHandler = (collections: ViewModels.Collection[]) => {
-      if (!action.collectionResourceId && collections.length === 0) {
-        subscription.dispose();
-        openCollectionTab(action, databases, ++i);
-        return;
-      }
-
-      for (let j = 0; j < collections.length; j++) {
-        const collection: ViewModels.Collection = collections[j];
-        if (!!action.collectionResourceId && collection.id() !== action.collectionResourceId) {
-          continue;
-        }
-
-        // select the collection
-        collection.expandCollection();
-
-        if (
-          action.tabKind === ActionContracts.TabKind.SQLDocuments ||
-          action.tabKind === ActionContracts.TabKind[ActionContracts.TabKind.SQLDocuments]
-        ) {
-          collection.onDocumentDBDocumentsClick();
-          break;
-        }
-
-        if (
-          action.tabKind === ActionContracts.TabKind.MongoDocuments ||
-          action.tabKind === ActionContracts.TabKind[ActionContracts.TabKind.MongoDocuments]
-        ) {
-          collection.onMongoDBDocumentsClick();
-          break;
-        }
-
-        if (
-          action.tabKind === ActionContracts.TabKind.SchemaAnalyzer ||
-          action.tabKind === ActionContracts.TabKind[ActionContracts.TabKind.SchemaAnalyzer]
-        ) {
-          collection.onSchemaAnalyzerClick();
-          break;
-        }
-
-        if (
-          action.tabKind === ActionContracts.TabKind.TableEntities ||
-          action.tabKind === ActionContracts.TabKind[ActionContracts.TabKind.TableEntities]
-        ) {
-          collection.onTableEntitiesClick();
-          break;
-        }
-
-        if (
-          action.tabKind === ActionContracts.TabKind.Graph ||
-          action.tabKind === ActionContracts.TabKind[ActionContracts.TabKind.Graph]
-        ) {
-          collection.onGraphDocumentsClick();
-          break;
-        }
-
-        if (
-          action.tabKind === ActionContracts.TabKind.SQLQuery ||
-          action.tabKind === ActionContracts.TabKind[ActionContracts.TabKind.SQLQuery]
-        ) {
-          collection.onNewQueryClick(
-            collection,
-            undefined,
-            generateQueryText(action as ActionContracts.OpenQueryTab, collection.partitionKeyProperties),
-          );
-          break;
-        }
-
-        if (
-          action.tabKind === ActionContracts.TabKind.ScaleSettings ||
-          action.tabKind === ActionContracts.TabKind[ActionContracts.TabKind.ScaleSettings]
-        ) {
-          collection.onSettingsClick();
-          break;
-        }
-      }
-      subscription.dispose();
+  //if databases are not yet loaded, wait until loaded
+  if (!databases || databases.length === 0) {
+    const databaseActionHandler = (databases: ViewModels.Database[]) => {
+      databasesUnsubscription();
+      openCollectionTab(action, databases, 0);
+      return;
     };
+    const databasesUnsubscription = useDatabases.subscribe(databaseActionHandler, (state) => state.databases);
+  } else {
+    for (let i = initialDatabaseIndex; i < databases.length; i++) {
+      const database: ViewModels.Database = databases[i];
+      if (!!action.databaseResourceId && database.id() !== action.databaseResourceId) {
+        continue;
+      }
 
-    const subscription = database.collections.subscribe((collections) => collectionActionHandler(collections));
-    if (database.collections && database.collections() && database.collections().length) {
-      collectionActionHandler(database.collections());
+      //expand database first if not expanded to load the collections
+      if (!database.isDatabaseExpanded?.()) {
+        database.expandDatabase?.();
+      }
+
+      const collectionActionHandler = (collections: ViewModels.Collection[]) => {
+        if (!action.collectionResourceId && collections.length === 0) {
+          subscription.dispose();
+          openCollectionTab(action, databases, ++i);
+          return;
+        }
+
+        for (let j = 0; j < collections.length; j++) {
+          const collection: ViewModels.Collection = collections[j];
+          if (!!action.collectionResourceId && collection.id() !== action.collectionResourceId) {
+            continue;
+          }
+
+          // select the collection
+          collection.expandCollection();
+
+          if (
+            action.tabKind === ActionContracts.TabKind.SQLDocuments ||
+            action.tabKind === ActionContracts.TabKind[ActionContracts.TabKind.SQLDocuments]
+          ) {
+            collection.onDocumentDBDocumentsClick();
+            break;
+          }
+
+          if (
+            action.tabKind === ActionContracts.TabKind.MongoDocuments ||
+            action.tabKind === ActionContracts.TabKind[ActionContracts.TabKind.MongoDocuments]
+          ) {
+            collection.onMongoDBDocumentsClick();
+            break;
+          }
+
+          if (
+            action.tabKind === ActionContracts.TabKind.SchemaAnalyzer ||
+            action.tabKind === ActionContracts.TabKind[ActionContracts.TabKind.SchemaAnalyzer]
+          ) {
+            collection.onSchemaAnalyzerClick();
+            break;
+          }
+
+          if (
+            action.tabKind === ActionContracts.TabKind.TableEntities ||
+            action.tabKind === ActionContracts.TabKind[ActionContracts.TabKind.TableEntities]
+          ) {
+            collection.onTableEntitiesClick();
+            break;
+          }
+
+          if (
+            action.tabKind === ActionContracts.TabKind.Graph ||
+            action.tabKind === ActionContracts.TabKind[ActionContracts.TabKind.Graph]
+          ) {
+            collection.onGraphDocumentsClick();
+            break;
+          }
+
+          if (
+            action.tabKind === ActionContracts.TabKind.SQLQuery ||
+            action.tabKind === ActionContracts.TabKind[ActionContracts.TabKind.SQLQuery]
+          ) {
+            collection.onNewQueryClick(
+              collection,
+              undefined,
+              generateQueryText(action as ActionContracts.OpenQueryTab, collection.partitionKeyProperties),
+            );
+            break;
+          }
+
+          if (
+            action.tabKind === ActionContracts.TabKind.ScaleSettings ||
+            action.tabKind === ActionContracts.TabKind[ActionContracts.TabKind.ScaleSettings]
+          ) {
+            collection.onSettingsClick();
+            break;
+          }
+        }
+        subscription.dispose();
+      };
+
+      const subscription = database.collections.subscribe((collections) => collectionActionHandler(collections));
+      if (database.collections && database.collections() && database.collections().length) {
+        collectionActionHandler(database.collections());
+      }
+
+      break;
     }
-
-    break;
   }
 }
 
diff --git a/src/Explorer/QueryCopilot/Shared/QueryCopilotClient.ts b/src/Explorer/QueryCopilot/Shared/QueryCopilotClient.ts
index 6d2cafdc5..59101cbb3 100644
--- a/src/Explorer/QueryCopilot/Shared/QueryCopilotClient.ts
+++ b/src/Explorer/QueryCopilot/Shared/QueryCopilotClient.ts
@@ -1,6 +1,7 @@
 import { FeedOptions } from "@azure/cosmos";
 import {
   Areas,
+  BackendApi,
   ConnectionStatusType,
   ContainerStatusType,
   HttpStatusCodes,
@@ -30,6 +31,7 @@ import { Action } from "Shared/Telemetry/TelemetryConstants";
 import { traceFailure, traceStart, traceSuccess } from "Shared/Telemetry/TelemetryProcessor";
 import { userContext } from "UserContext";
 import { getAuthorizationHeader } from "Utils/AuthorizationUtils";
+import { useNewPortalBackendEndpoint } from "Utils/EndpointUtils";
 import { queryPagesUntilContentPresent } from "Utils/QueryUtils";
 import { QueryCopilotState, useQueryCopilot } from "hooks/useQueryCopilot";
 import { useTabs } from "hooks/useTabs";
@@ -80,7 +82,11 @@ export const isCopilotFeatureRegistered = async (subscriptionId: string): Promis
 };
 
 export const getCopilotEnabled = async (): Promise<boolean> => {
-  const url = `${configContext.BACKEND_ENDPOINT}/api/portalsettings/querycopilot`;
+  const backendEndpoint: string = useNewPortalBackendEndpoint(BackendApi.PortalSettings)
+    ? configContext.PORTAL_BACKEND_ENDPOINT
+    : configContext.BACKEND_ENDPOINT;
+
+  const url = `${backendEndpoint}/api/portalsettings/querycopilot`;
   const authorizationHeader: AuthorizationTokenHeaderMetadata = getAuthorizationHeader();
   const headers = { [authorizationHeader.header]: authorizationHeader.token };
 
diff --git a/src/Explorer/Tables/TableDataClient.ts b/src/Explorer/Tables/TableDataClient.ts
index 3d5f05c72..c6882bc33 100644
--- a/src/Explorer/Tables/TableDataClient.ts
+++ b/src/Explorer/Tables/TableDataClient.ts
@@ -3,6 +3,7 @@ import * as ko from "knockout";
 import Q from "q";
 import { AuthType } from "../../AuthType";
 import * as Constants from "../../Common/Constants";
+import { CassandraProxyAPIs, CassandraProxyEndpoints } from "../../Common/Constants";
 import { handleError } from "../../Common/ErrorHandlingUtils";
 import * as HeadersUtility from "../../Common/HeadersUtility";
 import { createDocument } from "../../Common/dataAccess/createDocument";
@@ -19,7 +20,6 @@ import Explorer from "../Explorer";
 import * as TableConstants from "./Constants";
 import * as Entities from "./Entities";
 import * as TableEntityProcessor from "./TableEntityProcessor";
-import { CassandraProxyAPIs } from "../../Common/Constants";
 
 export interface CassandraTableKeys {
   partitionKeys: CassandraTableKey[];
@@ -458,7 +458,7 @@ export class CassandraAPIDataClient extends TableDataClient {
   }
 
   public getTableKeys(collection: ViewModels.Collection): Q.Promise<CassandraTableKeys> {
-    if (!this.useCassandraProxyEndpoint("getTableKeys")) {
+    if (!this.useCassandraProxyEndpoint("getKeys")) {
       return this.getTableKeys_ToBeDeprecated(collection);
     }
 
@@ -732,17 +732,23 @@ export class CassandraAPIDataClient extends TableDataClient {
   }
 
   private useCassandraProxyEndpoint(api: string): boolean {
+    const activeCassandraProxyEndpoints: string[] = [
+      CassandraProxyEndpoints.Development,
+      CassandraProxyEndpoints.Mpac,
+      CassandraProxyEndpoints.Prod,
+    ];
     let canAccessCassandraProxy: boolean = userContext.databaseAccount.properties.publicNetworkAccess === "Enabled";
-    if (userContext.databaseAccount.properties.ipRules?.length > 0) {
+    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) &&
-      [Constants.CassandraProxyEndpoints.Development, Constants.CassandraProxyEndpoints.Mpac].includes(
-        configContext.CASSANDRA_PROXY_ENDPOINT,
-      )
+      activeCassandraProxyEndpoints.includes(configContext.CASSANDRA_PROXY_ENDPOINT)
     );
   }
 }
diff --git a/src/Explorer/Tabs/QueryTab/QueryTab.tsx b/src/Explorer/Tabs/QueryTab/QueryTab.tsx
index 47c2ce2ba..f297f91f4 100644
--- a/src/Explorer/Tabs/QueryTab/QueryTab.tsx
+++ b/src/Explorer/Tabs/QueryTab/QueryTab.tsx
@@ -1,3 +1,5 @@
+import { sendMessage } from "Common/MessageHandler";
+import { MessageTypes } from "Contracts/MessageTypes";
 import { CopilotProvider } from "Explorer/QueryCopilot/QueryCopilotContext";
 import { userContext } from "UserContext";
 import React from "react";
@@ -54,6 +56,11 @@ export class NewQueryTab extends TabsBase {
     );
   }
 
+  public onActivate(): void {
+    this.propagateTabInformation(MessageTypes.ActivateTab);
+    super.onActivate();
+  }
+
   public onTabClick(): void {
     useTabs.getState().activateTab(this);
     this.iTabAccessor.onTabClickEvent();
@@ -61,6 +68,7 @@ export class NewQueryTab extends TabsBase {
 
   public onCloseTabButtonClick(): void {
     useTabs.getState().closeTab(this);
+    this.propagateTabInformation(MessageTypes.CloseTab);
     if (this.iTabAccessor) {
       this.iTabAccessor.onCloseClickEvent(true);
     }
@@ -69,4 +77,15 @@ export class NewQueryTab extends TabsBase {
   public getContainer(): Explorer {
     return this.props.container;
   }
+
+  private propagateTabInformation(type: MessageTypes): void {
+    sendMessage({
+      type,
+      data: {
+        kind: this.tabKind,
+        databaseId: this.collection?.databaseId,
+        collectionId: this.collection?.id?.(),
+      },
+    });
+  }
 }
diff --git a/src/Explorer/Tabs/QueryTab/QueryTabComponent.tsx b/src/Explorer/Tabs/QueryTab/QueryTabComponent.tsx
index ff44a4be3..fa849c212 100644
--- a/src/Explorer/Tabs/QueryTab/QueryTabComponent.tsx
+++ b/src/Explorer/Tabs/QueryTab/QueryTabComponent.tsx
@@ -134,7 +134,7 @@ export default class QueryTabComponent extends React.Component<IQueryTabComponen
 
     this.state = {
       toggleState: ToggleState.Result,
-      sqlQueryEditorContent: props.queryText || "SELECT * FROM c",
+      sqlQueryEditorContent: props.isPreferredApiMongoDB ? "{}" : props.queryText || "SELECT * FROM c",
       selectedContent: "",
       queryResults: undefined,
       error: "",
@@ -496,13 +496,16 @@ export default class QueryTabComponent extends React.Component<IQueryTabComponen
   };
 
   public onChangeContent(newContent: string): void {
+    // The copilot store's active query takes precedence over the local state,
+    // and we can't update both states in a single operation.
+    // So, we update the copilot store's state first, then update the local state.
+    if (this.state.copilotActive) {
+      this.props.copilotStore?.setQuery(newContent);
+    }
     this.setState({
       sqlQueryEditorContent: newContent,
       queryCopilotGeneratedQuery: "",
     });
-    if (this.state.copilotActive) {
-      this.props.copilotStore?.setQuery(newContent);
-    }
     if (this.isPreferredApiMongoDB) {
       if (newContent.length > 0) {
         this.executeQueryButton = {
@@ -544,7 +547,7 @@ export default class QueryTabComponent extends React.Component<IQueryTabComponen
     useCommandBar.getState().setContextButtons(this.getTabsButtons());
   }
 
-  public setEditorContent(): string {
+  public getEditorContent(): string {
     if (this.isCopilotTabActive && this.state.queryCopilotGeneratedQuery) {
       return this.state.queryCopilotGeneratedQuery;
     }
@@ -601,7 +604,7 @@ export default class QueryTabComponent extends React.Component<IQueryTabComponen
                 <div className="queryEditor" style={{ height: "100%" }}>
                   <EditorReact
                     language={"sql"}
-                    content={this.setEditorContent()}
+                    content={this.getEditorContent()}
                     isReadOnly={false}
                     wordWrap={"on"}
                     ariaLabel={"Editing Query"}
diff --git a/src/Explorer/Tabs/Tabs.tsx b/src/Explorer/Tabs/Tabs.tsx
index d80706a83..53678ed5a 100644
--- a/src/Explorer/Tabs/Tabs.tsx
+++ b/src/Explorer/Tabs/Tabs.tsx
@@ -324,13 +324,17 @@ const getReactTabContent = (activeReactTab: ReactTabKind, explorer: Explorer): J
 
 const showMongoAndCassandraProxiesNetworkSettingsWarning = (): boolean => {
   const ipRules: IpRule[] = userContext.databaseAccount?.properties?.ipRules;
-  if ((userContext.apiType === "Mongo" || userContext.apiType === "Cassandra") && ipRules?.length) {
+  if (
+    ((userContext.apiType === "Mongo" && configContext.MONGO_PROXY_ENDPOINT !== MongoProxyEndpoints.Development) ||
+      (userContext.apiType === "Cassandra" &&
+        configContext.CASSANDRA_PROXY_ENDPOINT !== CassandraProxyEndpoints.Development)) &&
+    ipRules?.length
+  ) {
     const legacyPortalBackendIPs: string[] = PortalBackendIPs[configContext.BACKEND_ENDPOINT];
     const ipAddressesFromIPRules: string[] = ipRules.map((ipRule) => ipRule.ipAddressOrRange);
-    const ipRulesIncludeLegacyPortalBackend: boolean =
-      ipAddressesFromIPRules.filter((ipAddressFromIPRule) => legacyPortalBackendIPs.includes(ipAddressFromIPRule))
-        ?.length === legacyPortalBackendIPs.length;
-
+    const ipRulesIncludeLegacyPortalBackend: boolean = legacyPortalBackendIPs.every((legacyPortalBackendIP: string) =>
+      ipAddressesFromIPRules.includes(legacyPortalBackendIP),
+    );
     if (!ipRulesIncludeLegacyPortalBackend) {
       return false;
     }
@@ -344,9 +348,9 @@ const showMongoAndCassandraProxiesNetworkSettingsWarning = (): boolean => {
         ? [...MongoProxyOutboundIPs[MongoProxyEndpoints.Mpac], ...MongoProxyOutboundIPs[MongoProxyEndpoints.Prod]]
         : MongoProxyOutboundIPs[configContext.MONGO_PROXY_ENDPOINT];
 
-      const ipRulesIncludeMongoProxy: boolean =
-        ipAddressesFromIPRules.filter((ipAddressFromIPRule) => mongoProxyOutboundIPs.includes(ipAddressFromIPRule))
-          ?.length === mongoProxyOutboundIPs.length;
+      const ipRulesIncludeMongoProxy: boolean = mongoProxyOutboundIPs.every((mongoProxyOutboundIP: string) =>
+        ipAddressesFromIPRules.includes(mongoProxyOutboundIP),
+      );
 
       if (ipRulesIncludeMongoProxy) {
         updateConfigContext({
@@ -368,9 +372,15 @@ const showMongoAndCassandraProxiesNetworkSettingsWarning = (): boolean => {
           ]
         : CassandraProxyOutboundIPs[configContext.CASSANDRA_PROXY_ENDPOINT];
 
-      const ipRulesIncludeCassandraProxy: boolean =
-        ipAddressesFromIPRules.filter((ipAddressFromIPRule) => cassandraProxyOutboundIPs.includes(ipAddressFromIPRule))
-          ?.length === cassandraProxyOutboundIPs.length;
+      const ipRulesIncludeCassandraProxy: boolean = cassandraProxyOutboundIPs.every(
+        (cassandraProxyOutboundIP: string) => ipAddressesFromIPRules.includes(cassandraProxyOutboundIP),
+      );
+
+      if (ipRulesIncludeCassandraProxy) {
+        updateConfigContext({
+          CASSANDRA_PROXY_OUTBOUND_IPS_ALLOWLISTED: true,
+        });
+      }
 
       return !ipRulesIncludeCassandraProxy;
     }
diff --git a/src/Explorer/Tabs/TabsBase.ts b/src/Explorer/Tabs/TabsBase.ts
index a6f3a45dd..0425eac91 100644
--- a/src/Explorer/Tabs/TabsBase.ts
+++ b/src/Explorer/Tabs/TabsBase.ts
@@ -40,11 +40,10 @@ export default class TabsBase extends WaitsForTemplateViewModel {
     this.database = options.database;
     this.rid = options.rid || (this.collection && this.collection.rid) || "";
     this.tabKind = options.tabKind;
-    this.tabTitle = ko.observable<string>(options.title);
+    this.tabTitle = ko.observable<string>(this.getTitle(options));
     this.tabPath =
-      ko.observable(options.tabPath ?? "") ||
-      (this.collection &&
-        ko.observable<string>(`${this.collection.databaseId}>${this.collection.id()}>${this.tabTitle()}`));
+      this.collection &&
+      ko.observable<string>(`${this.collection.databaseId}>${this.collection.id()}>${options.title}`);
     this.pendingNotification = ko.observable<DataModels.Notification>(undefined);
     this.onLoadStartKey = options.onLoadStartKey;
     this.closeTabButton = {
@@ -143,6 +142,26 @@ export default class TabsBase extends WaitsForTemplateViewModel {
     return (this.collection && this.collection.container) || (this.database && this.database.container);
   }
 
+  public getTitle(options: ViewModels.TabOptions): string {
+    const coll = this.collection?.id();
+    const db = this.database?.id();
+    if (coll) {
+      if (coll.length > 8) {
+        return coll.slice(0, 5) + "…" + options.title;
+      } else {
+        return coll + "." + options.title;
+      }
+    } else if (db) {
+      if (db.length > 8) {
+        return db.slice(0, 5) + "…" + options.title;
+      } else {
+        return db + "." + options.title;
+      }
+    } else {
+      return options.title;
+    }
+  }
+
   /** Renders a Javascript object to be displayed inside Monaco Editor */
   public renderObjectForEditor(value: any, replacer: any, space: string | number): string {
     return JSON.stringify(value, replacer, space);
diff --git a/src/Explorer/Tree/Collection.ts b/src/Explorer/Tree/Collection.ts
index 59d877c5b..3279c76d3 100644
--- a/src/Explorer/Tree/Collection.ts
+++ b/src/Explorer/Tree/Collection.ts
@@ -308,7 +308,7 @@ export default class Collection implements ViewModels.Collection {
         collectionName: this.id(),
 
         dataExplorerArea: Constants.Areas.Tab,
-        tabTitle: this.rawDataModel.id + " - Items",
+        tabTitle: "Items",
       });
       this.documentIds([]);
 
@@ -316,7 +316,7 @@ export default class Collection implements ViewModels.Collection {
         partitionKey: this.partitionKey,
         documentIds: ko.observableArray<DocumentId>([]),
         tabKind: ViewModels.CollectionTabKind.Documents,
-        title: this.rawDataModel.id + " - Items",
+        title: "Items",
         collection: this,
         node: this,
         tabPath: `${this.databaseId}>${this.id()}>Documents`,
diff --git a/src/Explorer/Tree/ResourceTree.tsx b/src/Explorer/Tree/ResourceTree.tsx
index b245f327f..b5f759534 100644
--- a/src/Explorer/Tree/ResourceTree.tsx
+++ b/src/Explorer/Tree/ResourceTree.tsx
@@ -373,11 +373,6 @@ export const ResourceTree: React.FC<ResourceTreeProps> = ({ container }: Resourc
         iconSrc: NewNotebookIcon,
         onClick: () => container.onCreateDirectory(item, isGithubTree),
       },
-      {
-        label: "New Notebook",
-        iconSrc: NewNotebookIcon,
-        onClick: () => container.onNewNotebookClicked(item, isGithubTree),
-      },
       {
         label: "Upload File",
         iconSrc: NewNotebookIcon,
@@ -786,9 +781,6 @@ export const ResourceTree: React.FC<ResourceTreeProps> = ({ container }: Resourc
             <AccordionItemComponent title={"DATA"} isExpanded={!gitHubNotebooksContentRoot}>
               <TreeComponent className="dataResourceTree" rootNode={dataRootNode} />
             </AccordionItemComponent>
-            <AccordionItemComponent title={"NOTEBOOKS"}>
-              <TreeComponent className="notebookResourceTree" rootNode={buildNotebooksTree()} />
-            </AccordionItemComponent>
           </AccordionComponent>
 
           {/* {buildGalleryCallout()} */}
diff --git a/src/Explorer/Tree/ResourceTreeAdapter.tsx b/src/Explorer/Tree/ResourceTreeAdapter.tsx
index abe05e85f..b22f0f916 100644
--- a/src/Explorer/Tree/ResourceTreeAdapter.tsx
+++ b/src/Explorer/Tree/ResourceTreeAdapter.tsx
@@ -800,11 +800,6 @@ export class ResourceTreeAdapter implements ReactAdapter {
         iconSrc: NewNotebookIcon,
         onClick: () => this.container.onCreateDirectory(item),
       },
-      {
-        label: "New Notebook",
-        iconSrc: NewNotebookIcon,
-        onClick: () => this.container.onNewNotebookClicked(item),
-      },
       {
         label: "Upload File",
         iconSrc: NewNotebookIcon,
diff --git a/src/Main.tsx b/src/Main.tsx
index d62f9b45e..c6b79b139 100644
--- a/src/Main.tsx
+++ b/src/Main.tsx
@@ -1,3 +1,6 @@
+// Import this first, to ensure that the dev tools hook is copied before React is loaded.
+import "./ReactDevTools";
+
 // CSS Dependencies
 import { initializeIcons, loadTheme } from "@fluentui/react";
 import { QuickstartCarousel } from "Explorer/Quickstart/QuickstartCarousel";
diff --git a/src/Platform/Hosted/Components/ConnectExplorer.tsx b/src/Platform/Hosted/Components/ConnectExplorer.tsx
index 6b33d021b..749f248ba 100644
--- a/src/Platform/Hosted/Components/ConnectExplorer.tsx
+++ b/src/Platform/Hosted/Components/ConnectExplorer.tsx
@@ -1,6 +1,6 @@
 import { useBoolean } from "@fluentui/react-hooks";
 import { userContext } from "UserContext";
-import { usePortalBackendEndpoint } from "Utils/EndpointUtils";
+import { useNewPortalBackendEndpoint } from "Utils/EndpointUtils";
 import * as React from "react";
 import ConnectImage from "../../../../images/HdeConnectCosmosDB.svg";
 import ErrorImage from "../../../../images/error.svg";
@@ -19,7 +19,7 @@ interface Props {
 }
 
 export const fetchEncryptedToken = async (connectionString: string): Promise<string> => {
-  if (!usePortalBackendEndpoint(BackendApi.GenerateToken)) {
+  if (!useNewPortalBackendEndpoint(BackendApi.GenerateToken)) {
     return await fetchEncryptedToken_ToBeDeprecated(connectionString);
   }
 
diff --git a/src/ReactDevTools.ts b/src/ReactDevTools.ts
index 09947f934..2a12d81d5 100644
--- a/src/ReactDevTools.ts
+++ b/src/ReactDevTools.ts
@@ -1,3 +1,7 @@
 if (window.parent !== window) {
-  (window as any).__REACT_DEVTOOLS_GLOBAL_HOOK__ = (window.parent as any).__REACT_DEVTOOLS_GLOBAL_HOOK__;
+  try {
+    (window as any).__REACT_DEVTOOLS_GLOBAL_HOOK__ = (window.parent as any).__REACT_DEVTOOLS_GLOBAL_HOOK__;
+  } catch {
+    // No-op. We can throw here if the parent is not the same origin (such as in the Azure portal).
+  }
 }
diff --git a/src/UserContext.ts b/src/UserContext.ts
index daae0f052..2fa1bb946 100644
--- a/src/UserContext.ts
+++ b/src/UserContext.ts
@@ -51,6 +51,7 @@ interface FabricContext {
   connectionId: string;
   databaseConnectionInfo: FabricDatabaseConnectionInfo | undefined;
   isReadOnly: boolean;
+  isVisible: boolean;
 }
 
 export type AdminFeedbackControlPolicy =
diff --git a/src/Utils/EndpointUtils.ts b/src/Utils/EndpointUtils.ts
index 4962c285b..c59db4205 100644
--- a/src/Utils/EndpointUtils.ts
+++ b/src/Utils/EndpointUtils.ts
@@ -145,8 +145,22 @@ export const allowedJunoOrigins: ReadonlyArray<string> = [
 
 export const allowedNotebookServerUrls: ReadonlyArray<string> = [];
 
-export function usePortalBackendEndpoint(backendApi: BackendApi): boolean {
-  const activePortalBackendEndpoints: string[] = [PortalBackendEndpoints.Development];
-  const activeBackendApi: boolean = configContext.NEW_BACKEND_APIS?.includes(backendApi) || false;
-  return activeBackendApi && activePortalBackendEndpoints.includes(configContext.PORTAL_BACKEND_ENDPOINT as string);
+//
+// Temporary function to determine if a portal backend API is supported by the
+// new backend in this environment.
+//
+// TODO: Remove this function once new backend migration is completed for all environments.
+//
+export function useNewPortalBackendEndpoint(backendApi: string): boolean {
+  // This maps backend APIs to the environments supported by the new backend.
+  const newBackendApiEnvironmentMap: { [key: string]: string[] } = {
+    [BackendApi.GenerateToken]: [PortalBackendEndpoints.Development],
+    [BackendApi.PortalSettings]: [PortalBackendEndpoints.Development, PortalBackendEndpoints.Mpac],
+  };
+
+  if (!newBackendApiEnvironmentMap[backendApi] || !configContext.PORTAL_BACKEND_ENDPOINT) {
+    return false;
+  }
+
+  return newBackendApiEnvironmentMap[backendApi].includes(configContext.PORTAL_BACKEND_ENDPOINT);
 }
diff --git a/src/hooks/useKnockoutExplorer.ts b/src/hooks/useKnockoutExplorer.ts
index 22b5078c9..4e80b3476 100644
--- a/src/hooks/useKnockoutExplorer.ts
+++ b/src/hooks/useKnockoutExplorer.ts
@@ -2,7 +2,6 @@ import { createUri } from "Common/UrlUtility";
 import { DATA_EXPLORER_RPC_VERSION } from "Contracts/DataExplorerMessagesContract";
 import { FABRIC_RPC_VERSION, FabricMessageV2 } from "Contracts/FabricMessagesContract";
 import Explorer from "Explorer/Explorer";
-import { useCommandBar } from "Explorer/Menus/CommandBar/CommandBarComponentAdapter";
 import { useSelectedNode } from "Explorer/useSelectedNode";
 import { scheduleRefreshDatabaseResourceToken } from "Platform/Fabric/FabricUtil";
 import { getNetworkSettingsWarningMessage } from "Utils/NetworkUtility";
@@ -90,6 +89,7 @@ async function configureFabric(): Promise<Explorer> {
   // These are the versions of Fabric that Data Explorer supports.
   const SUPPORTED_FABRIC_VERSIONS = [FABRIC_RPC_VERSION];
 
+  let firstContainerOpened = false;
   let explorer: Explorer;
   return new Promise<Explorer>((resolve) => {
     window.addEventListener(
@@ -121,7 +121,10 @@ async function configureFabric(): Promise<Explorer> {
             await scheduleRefreshDatabaseResourceToken(true);
             resolve(explorer);
             await explorer.refreshAllDatabases();
-            openFirstContainer(explorer, userContext.fabricContext.databaseConnectionInfo.databaseId);
+            if (userContext.fabricContext.isVisible && !firstContainerOpened) {
+              firstContainerOpened = true;
+              openFirstContainer(explorer, userContext.fabricContext.databaseConnectionInfo.databaseId);
+            }
             break;
           }
           case "newContainer":
@@ -132,8 +135,16 @@ async function configureFabric(): Promise<Explorer> {
             handleCachedDataMessage(data);
             break;
           }
-          case "setToolbarStatus": {
-            useCommandBar.getState().setIsHidden(data.message.visible === false);
+          case "explorerVisible": {
+            userContext.fabricContext.isVisible = data.message.visible;
+            if (
+              userContext.fabricContext.isVisible &&
+              !firstContainerOpened &&
+              userContext?.fabricContext?.databaseConnectionInfo?.databaseId !== undefined
+            ) {
+              firstContainerOpened = true;
+              openFirstContainer(explorer, userContext.fabricContext.databaseConnectionInfo.databaseId);
+            }
             break;
           }
           default:
@@ -327,12 +338,13 @@ function configureHostedWithResourceToken(config: ResourceToken): Explorer {
   return explorer;
 }
 
-function createExplorerFabric(params: { connectionId: string }): Explorer {
+function createExplorerFabric(params: { connectionId: string; isVisible: boolean }): Explorer {
   updateUserContext({
     fabricContext: {
       connectionId: params.connectionId,
       databaseConnectionInfo: undefined,
       isReadOnly: true,
+      isVisible: params.isVisible ?? true,
     },
     authType: AuthType.ConnectionString,
     databaseAccount: {
@@ -485,6 +497,7 @@ function updateContextsFromPortalMessage(inputs: DataExplorerInputsFrame) {
     ARM_ENDPOINT: normalizeArmEndpoint(inputs.csmEndpoint || configContext.ARM_ENDPOINT),
     MONGO_PROXY_ENDPOINT: inputs.mongoProxyEndpoint,
     CASSANDRA_PROXY_ENDPOINT: inputs.cassandraProxyEndpoint,
+    PORTAL_BACKEND_ENDPOINT: inputs.portalBackendEndpoint,
   });
 
   updateUserContext({
diff --git a/test/cassandra/container.spec.ts b/test/cassandra/container.spec.ts
index 48acddb79..80d5df41d 100644
--- a/test/cassandra/container.spec.ts
+++ b/test/cassandra/container.spec.ts
@@ -1,15 +1,18 @@
 import { jest } from "@jest/globals";
 import "expect-playwright";
-import { generateUniqueName } from "../utils/shared";
+import { generateUniqueName, getAzureCLICredentialsToken } from "../utils/shared";
 import { waitForExplorer } from "../utils/waitForExplorer";
 jest.setTimeout(120000);
 
 test("Cassandra keyspace and table CRUD", async () => {
   const keyspaceId = generateUniqueName("keyspace");
   const tableId = generateUniqueName("table");
+
+  // We can't retrieve AZ CLI credentials from the browser so we get them here.
+  const token = await getAzureCLICredentialsToken();
   page.setDefaultTimeout(50000);
 
-  await page.goto("https://localhost:1234/testExplorer.html?accountName=portal-cassandra-runner");
+  await page.goto(`https://localhost:1234/testExplorer.html?accountName=portal-cassandra-runner&token=${token}`);
   await page.waitForSelector("iframe");
   const explorer = await waitForExplorer();
 
diff --git a/test/graph/container.spec.ts b/test/graph/container.spec.ts
index 3e6155f1c..e7f288da5 100644
--- a/test/graph/container.spec.ts
+++ b/test/graph/container.spec.ts
@@ -1,15 +1,18 @@
 import { jest } from "@jest/globals";
 import "expect-playwright";
-import { generateDatabaseNameWithTimestamp, generateUniqueName } from "../utils/shared";
+import { generateDatabaseNameWithTimestamp, generateUniqueName, getAzureCLICredentialsToken } from "../utils/shared";
 import { waitForExplorer } from "../utils/waitForExplorer";
 jest.setTimeout(240000);
 
 test("Graph CRUD", async () => {
   const databaseId = generateDatabaseNameWithTimestamp();
   const containerId = generateUniqueName("container");
+
+  // We can't retrieve AZ CLI credentials from the browser so we get them here.
+  const token = await getAzureCLICredentialsToken();
   page.setDefaultTimeout(50000);
 
-  await page.goto("https://localhost:1234/testExplorer.html?accountName=portal-gremlin-runner");
+  await page.goto(`https://localhost:1234/testExplorer.html?accountName=portal-gremlin-runner&token=${token}`);
   const explorer = await waitForExplorer();
 
   // Create new database and graph
diff --git a/test/mongo/container.spec.ts b/test/mongo/container.spec.ts
index 88a311784..baafefbbe 100644
--- a/test/mongo/container.spec.ts
+++ b/test/mongo/container.spec.ts
@@ -1,15 +1,18 @@
 import { jest } from "@jest/globals";
 import "expect-playwright";
-import { generateDatabaseNameWithTimestamp, generateUniqueName } from "../utils/shared";
+import { generateDatabaseNameWithTimestamp, generateUniqueName, getAzureCLICredentialsToken } from "../utils/shared";
 import { waitForExplorer } from "../utils/waitForExplorer";
 jest.setTimeout(240000);
 
 test("Mongo CRUD", async () => {
   const databaseId = generateDatabaseNameWithTimestamp();
   const containerId = generateUniqueName("container");
+
+  // We can't retrieve AZ CLI credentials from the browser so we get them here.
+  const token = await getAzureCLICredentialsToken();
   page.setDefaultTimeout(50000);
 
-  await page.goto("https://localhost:1234/testExplorer.html?accountName=portal-mongo-runner");
+  await page.goto(`https://localhost:1234/testExplorer.html?accountName=portal-mongo-runner&token=${token}`);
   const explorer = await waitForExplorer();
 
   // Create new database and collection
diff --git a/test/mongo/container32.spec.ts b/test/mongo/container32.spec.ts
index 25466e266..c71f9d0cc 100644
--- a/test/mongo/container32.spec.ts
+++ b/test/mongo/container32.spec.ts
@@ -1,15 +1,18 @@
 import { jest } from "@jest/globals";
 import "expect-playwright";
-import { generateDatabaseNameWithTimestamp, generateUniqueName } from "../utils/shared";
+import { generateDatabaseNameWithTimestamp, generateUniqueName, getAzureCLICredentialsToken } from "../utils/shared";
 import { waitForExplorer } from "../utils/waitForExplorer";
 jest.setTimeout(240000);
 
 test("Mongo CRUD", async () => {
   const databaseId = generateDatabaseNameWithTimestamp();
   const containerId = generateUniqueName("container");
+
+  // We can't retrieve AZ CLI credentials from the browser so we get them here.
+  const token = await getAzureCLICredentialsToken();
   page.setDefaultTimeout(50000);
 
-  await page.goto("https://localhost:1234/testExplorer.html?accountName=portal-mongo32-runner");
+  await page.goto(`https://localhost:1234/testExplorer.html?accountName=portal-mongo32-runner&token=${token}`);
   const explorer = await waitForExplorer();
 
   // Create new database and collection
diff --git a/test/selfServe/selfServeExample.spec.ts b/test/selfServe/selfServeExample.spec.ts
index 7e10c1ce2..3678f5b35 100644
--- a/test/selfServe/selfServeExample.spec.ts
+++ b/test/selfServe/selfServeExample.spec.ts
@@ -1,5 +1,10 @@
+import { getAzureCLICredentialsToken } from "../utils/shared";
+
 test("Self Serve", async () => {
-  await page.goto("https://localhost:1234/testExplorer.html?iframeSrc=selfServe.html");
+  // We can't retrieve AZ CLI credentials from the browser so we get them here.
+  const token = await getAzureCLICredentialsToken();
+
+  await page.goto(`https://localhost:1234/testExplorer.html?iframeSrc=selfServe.html&token=${token}`);
   const handle = await page.waitForSelector("iframe");
   const frame = await handle.contentFrame();
 
diff --git a/test/sql/container.spec.ts b/test/sql/container.spec.ts
index aead57b92..a1aacfd42 100644
--- a/test/sql/container.spec.ts
+++ b/test/sql/container.spec.ts
@@ -1,15 +1,18 @@
 import { jest } from "@jest/globals";
 import "expect-playwright";
-import { generateUniqueName } from "../utils/shared";
+import { generateUniqueName, getAzureCLICredentialsToken } from "../utils/shared";
 import { waitForExplorer } from "../utils/waitForExplorer";
 jest.setTimeout(120000);
 
 test("SQL CRUD", async () => {
   const databaseId = generateUniqueName("db");
   const containerId = generateUniqueName("container");
+
+  // We can't retrieve AZ CLI credentials from the browser so we get them here.
+  const token = await getAzureCLICredentialsToken();
   page.setDefaultTimeout(50000);
 
-  await page.goto("https://localhost:1234/testExplorer.html?accountName=portal-sql-runner-west-us");
+  await page.goto(`https://localhost:1234/testExplorer.html?accountName=portal-sql-runner-west-us&token=${token}`);
   const explorer = await waitForExplorer();
 
   await explorer.click('[data-test="New Container"]');
diff --git a/test/sql/resourceToken.spec.ts b/test/sql/resourceToken.spec.ts
index f2e9d94ef..18228c7ed 100644
--- a/test/sql/resourceToken.spec.ts
+++ b/test/sql/resourceToken.spec.ts
@@ -1,19 +1,15 @@
 import { CosmosDBManagementClient } from "@azure/arm-cosmosdb";
 import { CosmosClient, PermissionMode } from "@azure/cosmos";
-import * as msRestNodeAuth from "@azure/ms-rest-nodeauth";
 import { jest } from "@jest/globals";
 import "expect-playwright";
-import { generateUniqueName } from "../utils/shared";
+import { generateUniqueName, getAzureCLICredentials } from "../utils/shared";
 jest.setTimeout(120000);
 
-const clientId = "fd8753b0-0707-4e32-84e9-2532af865fb4";
-const secret = process.env["NOTEBOOKS_TEST_RUNNER_CLIENT_SECRET"];
-const tenantId = "72f988bf-86f1-41af-91ab-2d7cd011db47";
-const subscriptionId = "69e02f2d-f059-4409-9eac-97e8a276ae2c";
+const subscriptionId = process.env["AZURE_SUBSCRIPTION_ID"] ?? "";
 const resourceGroupName = "runners";
 
 test("Resource token", async () => {
-  const credentials = await msRestNodeAuth.loginWithServicePrincipalSecret(clientId, secret, tenantId);
+  const credentials = await getAzureCLICredentials();
   const armClient = new CosmosDBManagementClient(credentials, subscriptionId);
   const account = await armClient.databaseAccounts.get(resourceGroupName, "portal-sql-runner-west-us");
   const keys = await armClient.databaseAccounts.listKeys(resourceGroupName, "portal-sql-runner-west-us");
diff --git a/test/tables/container.spec.ts b/test/tables/container.spec.ts
index d8daa0a16..98687d60f 100644
--- a/test/tables/container.spec.ts
+++ b/test/tables/container.spec.ts
@@ -1,15 +1,17 @@
 import { jest } from "@jest/globals";
 import "expect-playwright";
-import { generateUniqueName } from "../utils/shared";
+import { generateUniqueName, getAzureCLICredentialsToken } from "../utils/shared";
 import { waitForExplorer } from "../utils/waitForExplorer";
 
 jest.setTimeout(120000);
 
 test("Tables CRUD", async () => {
   const tableId = generateUniqueName("table");
+  // We can't retrieve AZ CLI credentials from the browser so we get them here.
+  const token = await getAzureCLICredentialsToken();
   page.setDefaultTimeout(50000);
 
-  await page.goto("https://localhost:1234/testExplorer.html?accountName=portal-tables-runner");
+  await page.goto(`https://localhost:1234/testExplorer.html?accountName=portal-tables-runner&token=${token}`);
   const explorer = await waitForExplorer();
 
   await page.waitForSelector('text="Querying databases"', { state: "detached" });
diff --git a/test/testExplorer/TestExplorer.ts b/test/testExplorer/TestExplorer.ts
index 684673590..4dbeb86b6 100644
--- a/test/testExplorer/TestExplorer.ts
+++ b/test/testExplorer/TestExplorer.ts
@@ -1,5 +1,4 @@
 /* eslint-disable no-console */
-import { ClientSecretCredential } from "@azure/identity";
 import "../../less/hostedexplorer.less";
 import { DataExplorerInputsFrame } from "../../src/Contracts/ViewModels";
 import { updateUserContext } from "../../src/UserContext";
@@ -11,29 +10,13 @@ const urlSearchParams = new URLSearchParams(window.location.search);
 const accountName = urlSearchParams.get("accountName") || "portal-sql-runner-west-us";
 const selfServeType = urlSearchParams.get("selfServeType") || "example";
 const iframeSrc = urlSearchParams.get("iframeSrc") || "explorer.html?platform=Portal&disablePortalInitCache";
-
-if (!process.env.AZURE_CLIENT_SECRET) {
-  throw new Error(
-    "process.env.AZURE_CLIENT_SECRET was not set! Set it in your .env file and restart webpack dev server",
-  );
-}
-
-// Azure SDK clients accept the credential as a parameter
-const credentials = new ClientSecretCredential(
-  process.env.AZURE_TENANT_ID,
-  process.env.AZURE_CLIENT_ID,
-  process.env.AZURE_CLIENT_SECRET,
-  {
-    authorityHost: "https://localhost:1234",
-  },
-);
+const token = urlSearchParams.get("token");
 
 console.log("Resource Group:", resourceGroup);
 console.log("Subcription: ", subscriptionId);
 console.log("Account Name: ", accountName);
 
 const initTestExplorer = async (): Promise<void> => {
-  const { token } = await credentials.getToken("https://management.azure.com//.default");
   updateUserContext({
     authorizationToken: `bearer ${token}`,
   });
@@ -52,6 +35,9 @@ const initTestExplorer = async (): Promise<void> => {
       dnsSuffix: "documents.azure.com",
       serverId: "prod1",
       extensionEndpoint: "/proxy",
+      portalBackendEndpoint: "https://cdb-ms-mpac-pbe.cosmos.azure.com",
+      mongoProxyEndpoint: "https://cdb-ms-mpac-mp.cosmos.azure.com",
+      cassandraProxyEndpoint: "https://cdb-ms-mpac-cp.cosmos.azure.com",
       subscriptionType: 3,
       quotaId: "Internal_2014-09-01",
       isTryCosmosDBSubscription: false,
diff --git a/test/utils/shared.ts b/test/utils/shared.ts
index 118736129..59ef0994c 100644
--- a/test/utils/shared.ts
+++ b/test/utils/shared.ts
@@ -1,3 +1,4 @@
+import { AzureCliCredentials } from "@azure/ms-rest-nodeauth";
 import crypto from "crypto";
 
 export function generateUniqueName(baseName = "", length = 4): string {
@@ -7,3 +8,13 @@ export function generateUniqueName(baseName = "", length = 4): string {
 export function generateDatabaseNameWithTimestamp(baseName = "db", length = 1): string {
   return `${baseName}${crypto.randomBytes(length).toString("hex")}-${Date.now()}`;
 }
+
+export async function getAzureCLICredentials(): Promise<AzureCliCredentials> {
+  return await AzureCliCredentials.create();
+}
+
+export async function getAzureCLICredentialsToken(): Promise<string> {
+  const credentials = await getAzureCLICredentials();
+  const token = (await credentials.getToken()).accessToken;
+  return token;
+}
diff --git a/utils/cleanupDBs.js b/utils/cleanupDBs.js
index 72fcfbafd..b2bbf0be8 100644
--- a/utils/cleanupDBs.js
+++ b/utils/cleanupDBs.js
@@ -2,10 +2,7 @@ const msRestNodeAuth = require("@azure/ms-rest-nodeauth");
 const { CosmosDBManagementClient } = require("@azure/arm-cosmosdb");
 const ms = require("ms");
 
-const clientId = process.env["NOTEBOOKS_TEST_RUNNER_CLIENT_ID"];
-const secret = process.env["NOTEBOOKS_TEST_RUNNER_CLIENT_SECRET"];
-const tenantId = "72f988bf-86f1-41af-91ab-2d7cd011db47";
-const subscriptionId = "69e02f2d-f059-4409-9eac-97e8a276ae2c";
+const subscriptionId = process.env["AZURE_SUBSCRIPTION_ID"];
 const resourceGroupName = "runners";
 
 const thirtyMinutesAgo = new Date(Date.now() - 1000 * 60 * 30).getTime();
@@ -19,7 +16,7 @@ function friendlyTime(date) {
 }
 
 async function main() {
-  const credentials = await msRestNodeAuth.loginWithServicePrincipalSecret(clientId, secret, tenantId);
+  const credentials = await msRestNodeAuth.AzureCliCredentials.create();
   const client = new CosmosDBManagementClient(credentials, subscriptionId);
   const accounts = await client.databaseAccounts.list(resourceGroupName);
   for (const account of accounts) {
@@ -38,7 +35,7 @@ async function main() {
     } else if (account.capabilities.find((c) => c.name === "EnableCassandra")) {
       const cassandraDatabases = await client.cassandraResources.listCassandraKeyspaces(
         resourceGroupName,
-        account.name
+        account.name,
       );
       for (const database of cassandraDatabases) {
         const timestamp = Number(database.resource._ts) * 1000;