Changelog

Enhancement

Upgrade Spring Framework from 5.3.39 to 6.1.12, upgrade Spring Security from 5.8.14 to 6.3.3, and upgrade Java EE from 8 to 9. Users of the LDAP plugin must upgrade it to version 733.vd3700c27b_043 in lockstep with upgrading Jenkins core. Users of third-party servlet containers must upgrade the servlet container to an EE 9 version in accordance with the Jenkins Servlet Container Support Policy. Spring Framework 6.0.23 release notes, Spring Framework 6.1.12 release notes, Spring Security 6.2.6 release notes, Spring Security 6.3.2 release notes, Spring Security 6.3.3 release notes, Jarkata EE 9 release page, LDAP plugin 733.vd3700c27b_043, Servlet Container Support Policy
Add escape hatch for authenticated user access to Resource URL. JENKINS-73422
Better display HTTP handshake errors (such as authentication issues) from the CLI in webSocket mode. pull 9591
Don't change unrelated checkboxes in rowSelectionController. JENKINS-73669
Use websocket in the inbound agent command line sample. pull 9665
Move doCheckDisplayNameOrNull from AbstractProject to TopLevelItemDescriptor to allow reuse in pipeline. pull 9150

Bug fix

Update dashboard to remove white space in widths over 900px. JENKINS-73695
No longer printing verbose and uninformative messages to $JENKINS_HOME/logs/tasks/Periodic background build discarder.log. JENKINS-73692

Changelog for 2.475