Robustness: A buggy ComputerListener#onConfigurationChange implementation should not block Jenkins startup.
(issue 50217)
Diagnostics: Log stack traces in JEP-200 rejection messages when jenkins.security.ClassFilterImpl logging level is FINE or above.
(issue 51355)
Copying Run parameters did not work as expected as RunParameterDefinition#copyWithDefaultValue called the wrong constructor.
(issue 51650)
Actions created from a TransientActionFactory that got attached to an item in the queue are no longer persisted, which could previously lead to duplicate actions shown for builds.
(issue 51584)
Do not attempt to disconnect offline computers for not responding.
(issue 20272)
Restore implied dependency on JDK Tool Plugin from Apache HttpComponents Client 4 API Plugin to fix dependency problems.
(issue 51483)
Fix behaviour of Advanced button when a section element is nested inside.
(issue 14632)
Do not duplicate caller stack trace when FilePath#act fails.
(issue 51082)
Developer: Make various form validation related attributes in Jelly form taglib explicitly available.
(pull 3470)