Java 11 is now fully supported. Multiple improvements for running Jenkins on Java 11 since 2.150.x, including support for plugins declaring a minimum Java version in their metadata and refusing to load incompatible plugins, and installation of a new JAXB plugin when running on Java 11 to allow use of JAXB APIs from plugins. (announcement blog post, running on Java 11, upgrading to Java 11, issue 52012, issue 52282, issue 55076, issue 55048, issue 55980, issue 55681, issue 52285)
The list-jobs no longer lists items recursively when listing a specific folder.
Add a new CLI command disable-plugin to disable one ore more installed plugins and optionally restart Jenkins.
Update Trilead SSH library to add support for OpenSSH keys with AES256-CTR encryption.
Add support for the ed25519 key algorithm in Jenkins CLI.
Reduce the performance impact of the SECURITY-904 fix when downloading artifacts or workspaces as ZIP file.
Add new category Languages to the plugin wizard, which automatically installs available localization plugins based on browser language.
Update Windows Service Wrapper from 2.1.2 to 2.2.0 and Windows Agent Installer from 1.9.3 to 1.10.0 to support disabling, renaming and archiving service logs.
Developer: Login and signup pages redesigned in 2.129 now can receive style contributions (footer view for SimplePageDecorator) from multiple plugins.
Update SSHD Module from 2.5 to 2.6 to apply a proper Apache Mina idle timeout value when a custom value was set using the org.jenkinsci.main.modules.sshd.SSHD.idle-timeout system property.