Changelog

2.510

May 13, 2025
Bug fix
  • Restore the children context menu for breadcrumbs. JENKINS-75634
  • Remove overlapping text from the Thread Dump page. JENKINS-75621
  • Defer rendering a build's artifact list to a background request to avoid expensive computations. pull 10623

2.509

May 6, 2025
Starting with Jenkins 2.509, the default Docker images (2.509, latest, alpine, slim, ...) use Java 21 unless specifically tagged with the jdk17 string. Refer to the Docker 2.509 changelog or pull request for this update for more details.
Major enhancement
  • Display plugin health score from the Plugin Manager. JENKINS-75350
Enhancement
  • New jobs no longer create an empty legacyIds marker file in the builds directory and existing legacyIds files will be deleted upon upgrade to reduce inode usage. JENKINS-75465
  • Jenkins' own user database no longer accepts new passwords longer than supported by bcrypt (72 bytes). Users with longer passwords are advised to change their password. JENKINS-75533
  • Remove jbcrypt library. If you're using Active Directory plugin, make sure to update to version 2.40 at the same time as updating Jenkins. JENKINS-75533
  • Developer: Remove org.connectbot:jbcrypt library from core BOM. JENKINS-75533
Bug fix
  • When completing a build, look for older builds to rotate asynchronously, in case this process is expensive. pull 10555
  • Fix the display of icons in the header by only applying the jenkinsavatar class to user icons, not the other header icons. JENKINS-75615
  • Reduce heap usage of various HTTP endpoints serving large build logs. JENKINS-75081

2.508

April 29, 2025
No notable changes in this release.

2.507

April 22, 2025
Major enhancement
Bug fix
  • Fix "No builds" state remaining in Build History widget after first build. JENKINS-75574
  • Fix state of labels removed from nodes. JENKINS-68155

2.506

April 15, 2025
Enhancement
  • Update test results bar colors to follow the Jenkins design system. pull 10514
  • A new /health endpoint is available to determine whether Jenkins is healthy. JENKINS-75530
  • Developer: Plugins can contribute additional checks for the healthcheck endpoint. JENKINS-75530
Bug fix
  • Ensure computer configuration is updated correctly after updating a node. JENKINS-33704
  • Ensure number of executors of the built-in node is synced with the number of executors defined in Jenkins after a configuration reload. pull 10529
  • Allow icons in tables to be updated even when there is more than one table displayed on the page. pull 10230

2.505

April 8, 2025
Enhancement
  • Refresh user API Token UI. pull 10484
  • Remove support for loading user data from before Jenkins 1.283. JENKINS-75370
  • Remove support for loading proxy configuration from before Jenkins 1.415. JENKINS-75370
  • Add telemetry to determine whether a specific URL (/extensionList/) is in use by plugins or can safely be removed in future releases of Jenkins. pull 10423
  • Add "No plugins" notice to Appearance configuration page. pull 10478
  • Use a dropdown for the Default View of a user. pull 10482
  • Improve UI of Secret and Password entry. pull 10489
  • Standardize widths of Manage Jenkins pages. pull 10479
  • Developer: Deprecate hudson.util.Scrambler. Use java.util.Base64 instead. JENKINS-75370
  • Developer: Describables should directly implement Describable instead of extending AbstractDescribableImpl. pull 10426
Bug fix
  • Fix limitation of Summary widget on the build page. pull 10368
  • Only update affected computers when adding/updating/removing nodes instead of reviewing every computer and checking their retention strategy, which can cause performance issues at scale. JENKINS-33704
  • Fix search result URLs when using the old search implementation. JENKINS-75320
  • Add value attribute to button element in submit.jelly. JENKINS-75441

2.504

April 2, 2025
Security

2.503

March 25, 2025
Enhancement
  • Add a new ExtensionPoint to receive events from CLI executions. Move logs from CLICommand to a new default listener. Command implementations using CLIMethod now log under the same conditions as CLICommand. JENKINS-75378
  • Developer: NodeListener#onUpdated now gets called when Jenkins#updateNode is called. pull 10397
Bug fix
  • Fix enableTopButton to insert entry at the top in an f:repeatable. JENKINS-75464
  • Prevent NPE when adapting a keyboard shortcut based on the User-Agent header. pull 10413

2.502

March 18, 2025
Enhancement
  • Add Cancel button to the Edit description form. pull 10364
  • Update interrupted build action summary icon. pull 10365
Bug fix

2.501

March 11, 2025
Enhancement
  • Add space between the Add/Edit description button and Views bar. pull 10386
  • Add grouping to Command Palette search results. pull 10252
  • Add empty state to the Manage Old Data page. pull 10320
Bug fix
  • Deprecated plugins are now sorted alphabetically. JENKINS-75341
  • Prevent dynamic plugin installation from registering the same extension twice in some cases. JENKINS-75232

2.500

March 5, 2025
Security

2.499

February 25, 2025
Bug fix
  • Clarify the displayed message while the build history widget initializes. JENKINS-75321
  • Fix border radius overlap when multiple lines of view names are displayed. JENKINS-75273
Enhancement
  • Developer: Allow UpdateSites to handle the connection for a URL for a download from that update site. pull 10172

2.498

February 18, 2025
Major enhancement
  • Add experimental Details widget for builds. pull 10147
Bug fix
  • Fix occasional failures to write files to Jenkins home directory on Windows servers due to virus scanners. JENKINS-75255
  • Fix notification for l:task. JENKINS-75265
  • Fix tooltip and console link in the progress bar of jobs in the executors widget. JENKINS-75259

2.497

February 11, 2025
Enhancement
  • Allow the master key to be stored in a separate location. JENKINS-58743
Bug fix
  • Form validation for cron schedules included seconds based on the current time, when in fact the trigger fires at minute-granularity slots. pull 10239

2.496

February 4, 2025
Enhancement
  • Improve accessibility and clean up various components. pull 10198
  • Developer: To test plugins against this Jenkins version, please update your plugin parent POM to version 5.6 or later. JENKINS-75174

2.495

January 28, 2025
Enhancement
  • Improve the appearance of user avatars in Jenkins. pull 10180
  • Developer: Rename [Jenkins] in tab title to - Jenkins. pull 10178

2.494

January 21, 2025
Enhancement
  • Remove the ability to install as a Windows service from a running Jenkins install. Users wanting this functionality should instead download and install the MSI package. pull 8523
  • Refresh the interface of Jenkins CLI page. pull 10143
  • Use oklch for the Jenkins UI. pull 10078
Bug fix
  • Use the correct date in the History widget when a user has configured a dedicated time zone. JENKINS-75163

2.493

January 14, 2025
Enhancement
  • Disable the copy button in insecure contexts. JENKINS-74832
  • Remove the Yahoo! User Interface library. JENKINS-75100
  • Update the Copy button animation. pull 10139
  • Remove Commons Discovery from the Jenkins WAR. pull 10122
  • Add the option to display the Console Output on the build page behind an experimental flag. pull 10115
  • Wrap app bars on smaller screens. pull 10119

2.492

January 7, 2025
Enhancement
  • Allow all immutable List subclasses from Java 11 over remoting. pull 10026
Bug fix
  • Use refined build status icons in multibranch projects. JENKINS-74868
  • Form validation that depends on radio buttons now finds the selected one and not the previous one. pull 10081
  • Since 2.489, JavaScript errors could be seen in some Jenkins pages, such as the setup wizard, omitting the usual header bar. pull 10089

2.491

December 19, 2024
Enhancement
  • Avoid printing the same stack trace multiple times when file persistence fails. Temporary file names used by the AtomicFileWriter are now derived from the target file name. pull 10058
Bug fix
  • Revert update of hotkeys-js dependency introduced in 2.490. The hotkeys-js bump caused a regression with Jenkins plugin BOM tests. pull 10070

2.490

December 17, 2024
Enhancement
Bug fix
  • Allow non-HTTP(S) URLs in zip-based tool installer configuration (regression in 2.379). JENKINS-75003
  • .tgz files are no longer double-gzipped. JENKINS-73942
  • Fix scrolling with keyboard. pull 10054

2.489

December 9, 2024
Enhancement
  • Add Command Palette as a replacement for the search bar. pull 7569
  • Added password validation to ensure that existing users cannot create a password of less than 14 characters in length when in FIPS mode. JENKINS-74858
  • Developer: The commons-compress library is no longer provided by Jenkins core, use the Commons Compress API plugin instead. JENKINS-73355
  • Developer: Allow UpdateSite subclasses to call updateData method in UpdateSite to write out JSON. pull 10019
  • Developer: Add support for @QueryParameter to the autocomplete component. Change autocomplete component to use POST for sending requests. JENKINS-37241
Bug fix
  • Reduce spacing in help files. JENKINS-69549
  • Restore the original behavior of FileBoolean(Class, String) (regression in 2.488). pull 10022

2.488

December 3, 2024
Bug fix
  • Fix double-escaped tooltips in "Help for feature". JENKINS-73907
  • Fix exception error message about hudson.model.UpdateSite$Warning on Manage Jenkins that may be shown when plugins with known security issues are installed. JENKINS-73487

2.487

November 27, 2024
Security

2.486

November 19, 2024
Enhancement
  • Developer: Upgrade ESLint plugin-kit from 0.2.0 to 0.2.3. pull 9982
  • Developer: Upgrade cross-spawn from 7.0.3 to 7.0.5. pull 9986

2.485

November 12, 2024
Enhancement
  • Clearer error message for the CLI in the default webSocket mode when a 403 error results from a reverse proxy misconfiguration. pull 9930
  • Developer: Introduce ControllerToAgentCallable and ControllerToAgentFileCallable with support for records in controller to agent callables. pull 9921
Bug fix
  • Do not add jobs created via the REST API to the default view. JENKINS-74795
  • Developer: Allow context classloaders to be defined without making explicit reference to the calling class. JENKINS-74814

2.484

November 5, 2024
Enhancement
Bug fix
  • Fix a rare race condition rendering pages soon after startup. pull 9925

2.483

October 29, 2024
Enhancement
  • Stop allowing configuration of the agent protocols list. pull 9903
  • The agents online/offline status and icon can now be influenced by the offline cause, giving better information to users. Clarifies some use cases when an agent was offline by design and not because of a configuration or technical error. pull 9883
  • Translate node list page to Turkish. pull 9916
  • Developer: Calls to Nodes#setNodes now notify NodeListener implementations. pull 9905
Bug fix
  • Fix end of life operating system monitor that shows 2099-12-31 on the first day a warning should be displayed. JENKINS-73845

2.482

October 22, 2024
Enhancement
  • Modernize ComboBox component. pull 9462
  • Refine content and appearance of the project Configure screen. pull 9734
Bug fix
  • Retain user generated offline reason when agent connects or disconnects for technical reasons. JENKINS-30101

2.481

October 15, 2024
Enhancement
Bug fix
  • Ignore values with incorrect types when deserializing collections and maps in XML files. JENKINS-63343
  • Remove trailing space from Windows agent secret file instructions. JENKINS-72979
  • Do not allow builds to be deleted while they are still building. Ensure build discarders only process builds which have fully completed. JENKINS-73835
Changelogs of historical releases can be found in the changelog archive.