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Comment: Update schedule and freeze for 11.0.29 release

Welcome to

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OpenJDK 11 Updates!

JDK OpenJDK 11 updates are part of the JDK updates project of the OpenJDK. Rob McKenna serves as the Project Lead. The list of Reviewers, Committers, and Authors can be found in the jdk updates section of the OpenJDK Census.

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Retired Maintainers

Releases

Latest GA release: 11.0.28+6 (GA), July 15th 2025, [Release] [Tag] [Binaries]

General information

Older releases can be found in the archive.

General Information

OpenJDK JDK 11 updates will be delivered in a quarterly cyle. Usually releases happen mid on the same established quarterly cycle used by Oracle i.e. "the third Tuesday of January, April, July and October."

The Development takes place in the jdk11u-dev mercurial Git repository is the default repository for collecting changes. The jdk11u repository is used for stabilizing and delivering the quarterly JDK 11 update releases.

Contributing

Fixes to the OpenJDK must generally be done in the upstream development repository jdk/jdk first. As a matter of fact, changes to JDK11 updates will mostly be backports of issues from upstream. There are exceptions when there's the need for a fix that only applies to JDK 11 updates.

and should be the primary place for OpenJDK committers to submit their work.

Code from the development repository is regularly tagged and promoted to the master jdk11u repository, which is used to stabilize and deliver the quarterly releases. Distributors should use this as their primary source for creating OpenJDK builds.

For further process details you might want to continue reading here.

Contributing

New fixes should first be submitted to the development repository for the current version of OpenJDK, jdk/jdk or higher updates repositories. Most changes submitted to the OpenJDK 11 project will be backports from these. Exceptions are made if an issue only applies to 11.

Everybody is encouraged to submit fixes for OpenJDK 11 by creating a pull request to the jdk11u-dev Git repository. Established community members will help new developers without commit access in getting their patch reviewed. For details on the process involved, continue reading these backport instructionsEverybody should feel encouraged to suggest fixes for JDK 11 updates and do the work to get them in. Everybody can do it, at least the most parts of the work. For details, on how to do it, continue reading here.

Should you not be willing or not be able to drive a fix into OpenJDK JDK 11 updates, you can still suggest changes by dropping a mail to the jdk-updates-dev mailing list. But by only doing that, you are at the grace of the community to pick up your suggestion.

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In general we follow the common rules for the jdk-updates project. Please note that these common rules do not allow enhancements to be back-ported, only fixes to bugs.

In addition this list, we will consider

  • Build system improvements, particularly for stability and reproducibility
  • Changes necessary to make 11u work on new operating systems and hardware

However, if there is an enhancement that provides substantial benefit to OpenJDK 11u users and it is of low risk, we will consider it. Please ask on the jdk-updates mailing list mailing list if you are in any doubt about whether your proposed backport might qualify.

If the backport requires more than just cosmetic changes (file location changes, copyright header updates) to apply to the 11u repository, it should first be submitted for review.

Push approval for a fix is requested by setting the jdk11u-fix-request label on the original JBS bug. The maintainers will either approve by setting jdk11u-fix-yes or reject by setting jdk11u-fix-no. Outstanding approvals can be monitored here. If and only if the fix gets approved, it may be pushed to the jdk11u-dev repository. If a bug shows  Approved fixes show up in this JBS filter (login required) it is allowed for being pushed to jdk11u-dev.When a JDK 11 update release is already in ramp down (that is, it was brought to jdk11u already).

During the later stages of a release cycle, the release enters rampdown. The master jdk11u repository contains the latest version of that release, while the jdk11u-dev repository is used to start work on the next release. If a change needs to be pushed to a release in rampdown, push approval can still be requested using the jdk11u-critical-request label. However, the maintainers will only consider fixes that Oracle have brought to their correspondent JDK11 update release, fixes for high priority issues or important test fixes at this pointAs the name of this tag suggests, this process is intended for fixes such as major regressions that must make the release. More minor bugs and new features should go in the next release being developed in jdk11u-dev. The maintainers may approve with jdk11u-critical-yes, defer to jdk11u-dev or reject altogether. Outstanding approvals for critical fixes can be monitored here. If, and only if, the fix gets approved with jdk11u-critical-yes, it may be pushed to the jdk11u repository. If a bug shows  Approved critical fixes show up in this JBS filter (login required) it is allowed for being pushed to jdk11u.

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At the end of the month prior to the release month, the jdk11u repository is declared frozen so embargoed security fixes can be added in private during the final few weeks. On release day, the final version will be pushed to the jdk11u repository and source bundles made available.

Repositories

jdk11u-dev: Collecting Closed for rampdown. Pushes for 11.0.4 fixes. Pushes 30 after jdk11u-fix-yes approval. Check here for clearance.

jdk11u: Collecting Frozen for release of 11.0.3 fixes. Pushes after jdk11u-critical-yes approval. Check here for clearance.

Timelines

JDK 11.0.3 timeline

  • Late February 2019 RDP2
  • Early April 2019 RC phase (code freeze)
  • Mid April 2019 GA

JDK 11.0.4 timeline

  • March 2019 jdk11u-dev forest open
  • Late May 2019 RDP2
  • Early July 2019 RC phase (code freeze)
  • Mid July 2019 GA

JDK 11.0.5 timeline

  • June 2019 jdk11u-dev forest open
  • Late August 2019 RDP2
  • Early October 2019 RC phase (code freeze)
  • Mid October 2019 GA

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Timelines

The release date follows the schedule of Oracle Critical Patch Updates as this is the date embargoed security fixes can be published.

Dates may be subject to change.

OpenJDK 11.0.29

  • Wednesday, June 4th 2025 : jdk11u-dev forest open (tag: jdk-11.0.29+0)
  • Friday, July 25th 2025: First build promotion jdk11u-dev→jdk11u (tag: jdk-11.0.29+1)
  • Friday, August 1st 2025: Skipped; no changes.
  • Friday, August 8th 2025: Second build promotion jdk11u-dev→jdk11u (tag: jdk-11.0.29+2).
  • Friday, August 15th 2025: Third build promotion jdk11u-dev→jdk11u (tag: jdk-11.0.29+3).
  • Friday, August 22nd 2025: Fourth build promotion jdk11u-dev→jdk11u (tag:jdk-11.0.29+4).
  • Friday, August 29th 2025: Fifth and final build promotion jdk11u-dev→jdk11u (tag:jdk-11.0.29+5). Start of Rampdown phase.
  • Friday, September 5th 2025: Skipped; no changes.
  • Friday, September 12th 2025: Skipped; no changes.
  • Friday, September 19th 2025: Skipped; no changes.
  • Friday, September 26th 2025: First and final jdk11u build promotion (tag: jdk-11.0.29+6). Frozen for release.
  • Tuesday, October 21st 2025: GA; OpenJDK 11.0.29 released (tag: jdk-11.0.29-ga, likely to bejdk-11.0.29+7)


Older releases can be found in the archive.

Downloads

Latest Generally Available (GA) binary releases of the jdk11u stream of the OpenJDK jdk-updates project are available at: https://adoptium.net/temurin/releases/?version=11

Latest Early Access (EA) binary releases of the jdk11u stream of the OpenJDK jdk-updates project are available at: https://adoptium.net/temurin/nightly/?version=11

JBS Filters

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Some filters will only work for users that are logged into JBS.

Standard

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Fix Requests

[Unapproved requests] [All requests] [All approved Approved requests] [Approved requests without push]

Critical fix requests

[Unapproved critical requests]

Critical Fix Requests

[All critical requests] [All approved critical Approved requests] [Approved critical requests without push] [Unapproved requests]

Filters for

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Release 11.0.27

11.0.27/all: OracleJDK but not OpenJDK: Changes backported to OracleJDK 11.0.3

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[Open Downports Oracle -> OpenJDK] [Additional commits OpenJDK vs Oracle]

Filters for release 11.0.4

[Open Downports Oracle -> OpenJDK] [Additional commits in OpenJDK vs Oracle]

Filters for release 11.0.5

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-11.0.27 but not in OpenJDK 11.0.27.

11.0.27/all/!deferred: OracleJDK but not OpenJDK: Changes backported to OracleJDK 11.0.3-11.0.27 but not in OpenJDK 11.0.27 excluding deferred Items, see JBS labels below.

11.0.27/new/!deferred: OracleJDK but not OpenJDK: Changes new in OracleJDK 11.0.27 but not in OpenJDK 11.0.27 excluding deferred Items, see JBS labels below.

Common jdk11u JBS labels

The above filters exclude issues that are marked with the following labels:

  • jdk11u-na Change does not apply to open jdk11u. In general, this is a change done by Oracle for their build or test infrastructure, for their own delivery or in their tests not open sourced. Any other change can also be not of interest to open jdk11u. In the past, we also used label openjdk-na for this purpose.
  • jdk11u-jvmci-defer Changes that address jvmci and graal. We, the maintainers, currently do not backport these changes. Feel free to address them!
  • jdk11u-solaris-sparc-defer Changes that address the Solaris or sparc ports. We, the maintainers currently do not backport these changes. Feel free to address them!
  • jdk11u-a11y-defer Changes that address accessibility. These should be urgently backported.
  • jdk11u-nashorn-defer  Changes to the Nashorn java script engine.
  • jdk11u-defer-next Change is generally acceptable, but should go into the next JDK 11 update release. I.e. 11.0.29 is currently collecting fixes in jdk11u-dev, but the proposed change should get into 11.0.30 (the next release) instead.  The maintainers will clear this label when development of the next release (11.0.30 in the example) is started.
  • jdk11u-todo Changes Oracle backported to older releases that are not backported to open jdk11u.  We mostly need this tag to make the "all" filters more efficient.