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250 lines
9.4 KiB
ReStructuredText
250 lines
9.4 KiB
ReStructuredText
Release Cycle
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=============
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The U-Boot projects attempts to maintain a fixed, predictable Release
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Cycle as follows:
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* We will have U-Boot releases at a fixed release interval of (approximately)
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every 3 months.
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* Under normal conditions the release date will be the first Monday of the month.
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* Immediately following each release, there will be a "merge window" of
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normally 21 days, i. e. if the release was on a Monday, then the merge window
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will close on the Monday in the 3rd week after the release.
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While this merge window is open, new features can be added to the U-Boot
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source tree. This is further expanded on in the :doc:`process`.
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* After the merge window closes, no new features may be added to allow for a
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release candidate phase which is intended to fix bugs and regressions.
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* To help with late pull requests, the **next** branch will open when the
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second release candidate is published.
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*Note:* While we try to adhere to the release schedule, we will
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not hesitate and take the liberty to delay a release if there are
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good reasons, for example if there are known bugs or other technical
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reasons. The code will be released when it is considered ready
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without caring too much about the announced deadline.
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*Note 2:* Even though we follow Linux ways in many respects, there are
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differences in the actual procedures, which are documented in the
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:doc:`process`.
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Version Numbers
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---------------
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Starting with the release in October 2008, the names of the releases were
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changed from numerical release numbers without deeper meaning into a time stamp
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based numbering. Regular releases are now identified by names consisting of
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the calendar year and month of the release date. Additional fields are
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frequently used to denote the release candidates. They are also used on rare
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occasions to note a bug fix release on top of the previous stable release.
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Examples::
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U-Boot v2009.11 - Release November 2009
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U-Boot v2009.11.1 - Bug fix release 1 on top of the November 2009 release
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U-Boot v2010.09-rc1 - Release candidate 1 for September 2010 release
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Current Status
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--------------
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* U-Boot v2025.01 was released on Mon 06 January 2025.
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* The Merge Window for the next release (v2025.04) is **closed**.
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* The next branch is now **closed** until the -rc2 release on Mon 10 February
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2025.
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* Release "v2025.04" is scheduled for 07 April 2025.
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Future Releases
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---------------
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.. The following commented out dates are for when release candidates are
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planned to be tagged.
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For the next scheduled release, release candidates were made on::
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* U-Boot v2025.04-rc1 was released on Mon 27 January 2025.
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.. * U-Boot v2025.04-rc2 was released on Mon 10 February 2025.
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.. * U-Boot v2025.04-rc3 was released on Mon 24 February 2025.
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.. * U-Boot v2025.04-rc4 was released on Mon 10 March 2025.
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.. * U-Boot v2025.04-rc5 was released on Mon 24 March 2025.
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Please note that the following dates are planned only and may be deviated from
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as needed.
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* "v2025.04": end of MW = Mon, Jan 27, 2025; release = Mon, Apr 07, 2025
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* "v2025.07": end of MW = Mon, Apr 21, 2025; release = Mon, Jul 07, 2025
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* "v2025.10": end of MW = Mon, Jul 21, 2025; release = Mon, Oct 06, 2025
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* "v2026.01": end of MW = Mon, Oct 20, 2025; release = Mon, Jan 05, 2026
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Previous Releases
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-----------------
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Note: these statistics are generated by our fork of `gitdm
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<https://source.denx.de/u-boot/gitdm>`_, which was originally created by
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Jonathan Corbet.
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* :doc:`statistics/u-boot-stats-v2025.01` which was released on 06 January 2025.
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* :doc:`statistics/u-boot-stats-v2024.10` which was released on 07 October 2024.
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* :doc:`statistics/u-boot-stats-v2024.07` which was released on 01 July 2024.
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* :doc:`statistics/u-boot-stats-v2024.04` which was released on 02 April 2024.
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* :doc:`statistics/u-boot-stats-v2024.01` which was released on 08 January 2024.
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* :doc:`statistics/u-boot-stats-v2023.10` which was released on 02 October 2023.
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* :doc:`statistics/u-boot-stats-v2023.07` which was released on 10 July 2023.
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* :doc:`statistics/u-boot-stats-v2023.04` which was released on 03 April 2023.
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* :doc:`statistics/u-boot-stats-v2023.01` which was released on 09 January 2023.
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* :doc:`statistics/u-boot-stats-v2022.10` which was released on 03 October 2022.
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* :doc:`statistics/u-boot-stats-v2022.07` which was released on 11 July 2022.
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* :doc:`statistics/u-boot-stats-v2022.04` which was released on 04 April 2022.
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* :doc:`statistics/u-boot-stats-v2022.01` which was released on 10 January 2022.
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* :doc:`statistics/u-boot-stats-v2021.10` which was released on 04 October 2021.
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* :doc:`statistics/u-boot-stats-v2021.07` which was released on 05 July 2021.
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* :doc:`statistics/u-boot-stats-v2021.04` which was released on 05 April 2021.
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* :doc:`statistics/u-boot-stats-v2021.01` which was released on 11 January 2021.
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* :doc:`statistics/u-boot-stats-v2020.10` which was released on 05 October 2020.
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* :doc:`statistics/u-boot-stats-v2020.07` which was released on 06 July 2020.
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* :doc:`statistics/u-boot-stats-v2020.04` which was released on 13 April 2020.
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* :doc:`statistics/u-boot-stats-v2020.01` which was released on 06 January 2020.
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* :doc:`statistics/u-boot-stats-v2019.10` which was released on 07 October 2019.
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* :doc:`statistics/u-boot-stats-v2019.07` which was released on 08 July 2019.
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* :doc:`statistics/u-boot-stats-v2019.04` which was released on 08 April 2019.
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* :doc:`statistics/u-boot-stats-v2019.01` which was released on 04 January 2019.
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* :doc:`statistics/u-boot-stats-v2018.11` which was released on 15 November 2018.
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* :doc:`statistics/u-boot-stats-v2018.09` which was released on 10 September 2018.
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* :doc:`statistics/u-boot-stats-v2018.07` which was released on 19 July 2018.
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* :doc:`statistics/u-boot-stats-v2018.05` which was released on 07 May 2018.
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* :doc:`statistics/u-boot-stats-v2018.03` which was released on 13 March 2018.
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* :doc:`statistics/u-boot-stats-v2018.01` which was released on 08 January 2018.
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* :doc:`statistics/u-boot-stats-v2017.11` which was released on 13 November 2017.
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* :doc:`statistics/u-boot-stats-v2017.09` which was released on 11 September 2017.
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* :doc:`statistics/u-boot-stats-v2017.07` which was released on 10 July 2017.
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* :doc:`statistics/u-boot-stats-v2017.05` which was released on 08 May 2017.
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* :doc:`statistics/u-boot-stats-v2017.03` which was released on 13 March 2017.
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* :doc:`statistics/u-boot-stats-v2017.01` which was released on 09 January 2017.
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* :doc:`statistics/u-boot-stats-v2016.11` which was released on 14 November 2016.
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* :doc:`statistics/u-boot-stats-v2016.09` which was released on 12 September 2016.
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* :doc:`statistics/u-boot-stats-v2016.07` which was released on 11 July 2016.
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* :doc:`statistics/u-boot-stats-v2016.05` which was released on 16 May 2016.
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* :doc:`statistics/u-boot-stats-v2016.03` which was released on 14 March 2016.
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* :doc:`statistics/u-boot-stats-v2016.01` which was released on 12 January 2016.
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* :doc:`statistics/u-boot-stats-v2015.10` which was released on 19 October 2015.
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* :doc:`statistics/u-boot-stats-v2015.07` which was released on 14 July 2015.
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* :doc:`statistics/u-boot-stats-v2015.04` which was released on 13 April 2015.
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* :doc:`statistics/u-boot-stats-v2015.01` which was released on 12 January 2015.
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* :doc:`statistics/u-boot-stats-v2014.10` which was released on 14 October 2014.
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* :doc:`statistics/u-boot-stats-v2014.07` which was released on 14 July 2014.
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* :doc:`statistics/u-boot-stats-v2014.04` which was released on 14 April 2014.
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* :doc:`statistics/u-boot-stats-v2014.01` which was released on 20 January 2014.
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* :doc:`statistics/u-boot-stats-v2013.10` which was released on 16 October 2013.
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* :doc:`statistics/u-boot-stats-v2013.07` which was released on 22 July 2013.
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* :doc:`statistics/u-boot-stats-v2013.04` which was released on 19 April 2013.
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* :doc:`statistics/u-boot-stats-v2013.01` which was released on 15 January 2013.
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* :doc:`statistics/u-boot-stats-v2012.10` which was released on 15 October 2012.
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* :doc:`statistics/u-boot-stats-v2012.07` which was released on 30 July 2012.
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* :doc:`statistics/u-boot-stats-v2012.04` which was released on 21 April 2012.
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* :doc:`statistics/u-boot-stats-v2011.12` which was released on 23 December 2011.
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* :doc:`statistics/u-boot-stats-v2011.09` which was released on 29 September 2011.
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* :doc:`statistics/u-boot-stats-v2011.06` which was released on 27 July 2011.
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* :doc:`statistics/u-boot-stats-v2011.03` which was released on 31 March 2011.
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* :doc:`statistics/u-boot-stats-v2010.12` which was released on 22 December 2010.
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* :doc:`statistics/u-boot-stats-v2010.09` which was released on 28 September 2010.
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* :doc:`statistics/u-boot-stats-v2010.06` which was released on 29 June 2010.
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* :doc:`statistics/u-boot-stats-v2010.03` which was released on 31 March 2010.
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* :doc:`statistics/u-boot-stats-v2009.11` which was released on 15 December 2009.
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* :doc:`statistics/u-boot-stats-v2009.08` which was released on 31 August 2009.
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* :doc:`statistics/u-boot-stats-v2009.06` which was released on 14 June 2009.
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* :doc:`statistics/u-boot-stats-v2009.03` which was released on 21 March 2009.
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* :doc:`statistics/u-boot-stats-v2009.01` which was released on 21 January 2009.
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* :doc:`statistics/u-boot-stats-v2008.10` which was released on 18 October 2008.
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* :doc:`statistics/u-boot-stats-v1.3.4` which was released on 12 August 2008.
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* :doc:`statistics/u-boot-stats-v1.3.3` which was released on 19 May 2008.
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* :doc:`statistics/u-boot-stats-v1.3.1` which was released on 06 December 2007. (St Nicholas release).
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* :doc:`statistics/u-boot-stats-v1.3.0` which was released on 19 November 2007.
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