Jenkins no longer creates symbolic links inside project or build directories.
The Build Symlink plugin may be installed to restore this functionality if desired.
URLs such as /job/…/lastStableBuild/ are not affected, only tools which directly access the $JENKINS_HOME filesystem.
(issue 37862)
Remove Trilead SSH library from Jenkins core and make it available in a new detached plugin.
(issue 43610)
Do not throw exception when testing proxy configuration. (regression in 2.168)
(issue 57383)
Prevent occasional IllegalStateException on Jenkins restart and invalidate the user session.
(issue 55945)
Avoid duplicate screenResolution cookie for views.
(pull 4103)
Due to a mixture of old and new “detached” plugins, under certain circumstances it was possible to have two versions of an extension point used by the command launcher option for agents.
(issue 58362)
Add a warning to the Installed tab of the plugin manager alerting administrators to possible problems from disabling detached plugins, which became possible as of 2.181.
(pull 4098)
Remove unnecessary delay during cloud agent provisioning if the agent is available very quickly.
(issue 24752)