Changelog

Major enhancement

Upgrade the Guava library from 11.0.1 (released on January 9, 2012) to 31.0.1 (released on September 27, 2021). Plugins have already been prepared to support the new version of Guava; use the Plugin Manager to upgrade all plugins before and after upgrading Jenkins. pull 5707, JENKINS-36779 , JEP-233, Guava web site, Guava 31.0.1 changelog

Enhancement

Modernise the 'New view' and 'New node' pages. pull 5842
Improve artifact list readability in dark theme. pull 5889
Use CSS animation for console progress. pull 5871
Allow plugin upload by URL in addition to file name. JENKINS-4814
Update bundled version of Bouncy Castle API plugin from 2.20 to 2.25. pull 5898, Bouncy Castle release notes
Developer: Provide a stable version of ObjectWebASM (currently 9.1) on the classpath. pull 5524, ObjectWebASM web site
Developer: Use the upstream version of AntClassLoader without custom patches. pull 5856

Bug fix

Prevent LinkageError during class loading (regression in 2.309). JENKINS-66993
Do not attempt to canonicalize tar entries when untaring, as the result may be unexpected for symlinks. JENKINS-67063
Fix form submission for file access rules of agent to controller security subsystem (regression in 2.111). pull 5881, JENKINS-67061 , Upgrade guide - Agent to controller path filter security fixes
Avoid false positives in plugin search (installed tab). pull 5870
Fix missing hyperlink in build history (regression in 2.314). JENKINS-67028
Add space between icon and project name (or build number) in all links to builds. pull 5887
Add space between icon and project name in upstream & downstream section of project page. JENKINS-66749
Replace outdated URLs with working redirects. JENKINS-67032
An exception thrown by a RestartListener no longer leaves Jenkins in a zombie-like state. JENKINS-67002
Display the time zone of the user when an administrator updates a user account. JENKINS-66845

Changelog for 2.320