Changelog

Major enhancement

Update Debian container images to Debian 13 (Trixie). pull 2063 (Docker)
Updates to various UI elements. Refine the header, app bar, and side panel. Refine colors, borders, and buttons. Use secondary text color for dropdowns. pull 10814, pull 10806, pull 10853, pull 10901, pull 10913
Breadcrumbs now have a visual indicator and are compatible with accessibility guidelines. JENKINS-75851

Enhancement

Improve performance with additional caching of Java classes. pull 10979
Apply the current theme color palette to shutdown and safe-restart messages. pull 10945
Remove the /extensionList/ HTTP endpoint and related telemetry. Users of the Timestamper plugin should update to version 1.29 or newer. pull 10752
Use a new name format for subdirectories of $JENKINS_HOME/users/. Stop creating redundant $JENKINS_HOME/users/users.xml. pull 10926
Minor performance optimization for administrative monitors badge display. pull 10855
Refine User page UI. pull 10807
Refine the Console URL Provider UI. pull 10839
Show parameters of a run in read-only mode. pull 10941
Reduce agent launch log stack trace noise for ClosedChannelExceptions. pull 10927
SSH cli now uses EdDSA natively provided by Apache Mina via Bouncycastle. pull 10788
Add Polish localization. Adjust Bulgarian localization spacing. Add German localization for Global Build Discarder. pull 11025, pull 10835, pull 10943

Bug fix

Fix a race condition in WebSocket agent connection initialization. pull 11039
Create friendlier HTTP response for an attempt to buildWithParameters a disabled or nonparameterized job. pull 10954
Fix incorrect parameter name in quietDown API online help. JENKINS-75991
Correct word-wrap and word-break CSS properties to use supported values. pull 10881
Stop printing an incorrect log message when retrieving agent labels. pull 10863
Enable the chevron button in job tables by removing pointerevents:none from its CSS styling. JENKINS-75252
Avoid queue items being lost if the node disconnects at a bad time during allocation. pull 10756

Changelog for 2.528.1