2.516.2

We're excited to announce the release of Jenkins 2.516.2 🎉

Changelog and upgrade guide

See the changelog and upgrade guide to learn about breaking changes and other considerations when updating.

Reporting issues

If you locate an issue with this release, please file an issue on Jira, otherwise use the forums if you're unsure whether you encounter an issue or not.

2.524

This is an automatically generated changelog draft for Jenkins weekly releases.
See https://www.jenkins.io/changelog/2.524/ for the official changelog for this release.

🚨 Removed

• Deprecate UserIdMapper and just use an HMAC (#10926) @jglick

🚀 New features and improvements

• JENKINS-75675 - Refactor class loading logic in order to reduce memory consumption (#10659) @dukhlov
• AdministrativeMonitorsDecorator cleanup; ManageJenkinsAction.getBadge optimization (#10855) @jglick
• show parameters of a run with readOnlyMode (#10941) @mawinter69

🐛 Bug fixes

• Better error response from doBuildWithParameters (#10954) @jglick
• JENKINS-75991 - Fix name of reason query parameter in online help for quietDown (#10965) @stephane-chazelas
• JENKINS-75879 - GStringTemplateEngine causes memory leak in class loading (#10938) @jgarciacloudbees

👻 Maintenance

• JENKINS-75675 - Refactor class loading logic in order to reduce memory consumption (#10659) @dukhlov

All contributors: @NotMyFault, @basil, @dukhlov, @gbhat618, @jenkins-release-bot, @jgarciacloudbees, @jglick, @krisstern, @mawinter69, @renovate[bot], @stephane-chazelas, @uhafner, @yaroslavafenkin and renovate[bot]

2.523

This is an automatically generated changelog draft for Jenkins weekly releases.
See https://www.jenkins.io/changelog/2.523/ for the official changelog for this release.

🚀 New features and improvements

• Make shutdown and safe-restart messages theme aware (#10945) @mawinter69
• Avoid printing stack trace for ClosedChannelException in agent launch log (#10927) @jglick
• Refine Add button for repeatable lists (#10913) @janfaracik

🐛 Bug fixes

• JENKINS-75927 - remove model-link--open onHide (#10931) @mawinter69
• JENKINS-75937 - fix Save/apply view button visible on top of the header (#10932) @mawinter69

🌐 Localization and translation

• Add EOL whitespace in scriptConsole_bg.properties (#10943) @jasssonpet

👷 Changes for plugin developers

• Introduce Named, FullyNamed, FullyNamedModelObject interfaces (#10827) @Vlatombe

👻 Maintenance

• JENKINS-75799 - Replace AbstractLazyLoadRunMap.index by CopyOnWriteMap (#10759) @dukhlov

All contributors: @Vlatombe, @basil, @dukhlov, @janfaracik, @jasssonpet, @jenkins-release-bot, @jglick, @jtnord, @krisstern, @mawinter69, @renovate[bot] and renovate[bot]

2.516.2 RC

Please report issues to the backporting announcement thread.

Final release is scheduled for August 20, 2025.

Download the release from: Artifactory.

After the final release, the official changelog and official upgrade guide will be available on the download site.

2.522

This is an automatically generated changelog draft for Jenkins weekly releases.
See https://www.jenkins.io/changelog/2.522/ for the official changelog for this release.

🚀 New features and improvements

• Refine User page (#10807) @janfaracik
• Use secondary text color for dropdown filter (#10901) @janfaracik
• Refine Experiments page (#10902) @janfaracik
• JENKINS-75851 - implement a dropdown indicator (#10803) @scherler

🐛 Bug fixes

• Fix word breaking in pre tags and help classes (#10881) @lewisbirks

All contributors: @StefanSpieker, @basil, @janfaracik, @jenkins-release-bot, @krisstern, @lewisbirks, @renovate[bot], @scherler, @strangelookingnerd, @timja and renovate[bot]

2.521

This is an automatically generated changelog draft for Jenkins weekly releases.
See https://www.jenkins.io/changelog/2.517/ for the official changelog for this release.

🚀 New features and improvements

• Refine bottom app bar appearance (#10853) @janfaracik

All contributors: @janfaracik, @jenkins-release-bot, @krisstern, @renovate[bot] and renovate[bot]

2.516.1

We're excited to announce the release of Jenkins 2.516.1 🎉

Changelog and upgrade guide

See the changelog and upgrade guide to learn about breaking changes and other considerations when updating.

Reporting issues

If you locate an issue with this release, please file an issue on Jira, otherwise use the forums if you're unsure whether you encounter an issue or not.

2.520

This is an automatically generated changelog draft for Jenkins weekly releases.
See https://www.jenkins.io/changelog/2.520/ for the official changelog for this release.

🚀 New features and improvements

• Refine Console URL Provider UI (#10839) @janfaracik

🐛 Bug fixes

• JENKINS-75637 - Fix System configuration page no longer having breadcrumb navigation (#10715) @janfaracik

👻 Maintenance

• Reduce jquery usage in jenkins.js (very simple start) (#10833) @StefanSpieker

All contributors: @StefanSpieker, @github-actions[bot], @janfaracik, @jenkins-release-bot, @jglick, @jtnord, @krisstern, @renovate[bot], github-actions[bot] and renovate[bot]

2.519

This is an automatically generated changelog draft for Jenkins weekly releases.
See https://www.jenkins.io/changelog/2.519/ for the official changelog for this release.

🚨 Removed

• Remove /extensionList/ URL (#10752) @daniel-beck

🚀 New features and improvements

• Remove /extensionList/ URL (#10752) @daniel-beck
• Refine colors and borders (#10814) @janfaracik

🐛 Bug fixes

• JENKINS-75834 - limit the functionality to a specific reference (#10818) @scherler

🌐 Localization and translation

• Migrate global build discarder from groovy to jelly and add German translation (#10835) @StefanSpieker

👻 Maintenance

• Migrate global build discarder from groovy to jelly and add German translation (#10835) @StefanSpieker

All contributors: @MarkEWaite, @StefanSpieker, @basil, @daniel-beck, @janfaracik, @jenkins-release-bot, @krisstern, @renovate[bot], @scherler and renovate[bot]

2.516.1 RC

Please report issues to the backporting announcement thread.

Final release is scheduled for July 23, 2025.

Download the release from: Artifactory or from GitHub.

After the final release, the official changelog and official upgrade guide will be available on the download site.