A file handle leak in $JENKINS_HOME/jobs/*/builds/permalinks could prevent jobs from being deleted on Windows. (regression in 2.185)
(issue 58733)
Remove extra whitespace output from /scriptText endpoint. (regression in 2.186)
(issue 58548)
The install-plugin CLI command allowed files that aren't plugins to be installed, potentially breaking some functionality.
(issue 29065)
Add a warning when cron trigger spends a long time in its execution.
(issue 54854)
Batch up plugin installations in setup wizard to improve performance.
(pull 4124)
Stop using the name argument in the install-plugin CLI command.
(pull 4123)
Update versions of some detached plugins.
These are typically installed when upgrading Jenkins from much older releases, or when implied dependencies are not specified for manually managed plugins.
(pull 4125)
Internal: Add support running JMH benchmarks for Jenkins core.
(pull 4135)
Internal: Update Jenkins Test Harness from 2.49 to 2.54 to add support for JMH benchmarks.
(pull 4135, changelog)
Internal: Omit WEB-INF/lib/jquery-detached-1.2.jar from jenkins.war.
(pull 4120)