Computer#addAction would throw an UnsupportedOperationException since Jenkins 2.30. Such a call site was released in SSH Build Agents Plugin 1.15 for SECURITY-161.
(issue 42969, security advisory including SECURITY-161)
Search results page did not correctly encode query parameters.
(issue 42390)
When validating a cron expression, consider the specified time zone.
(issue 43228)
Do not display a warning when an SCM trigger has no schedules (either to disable SCM post-commit hooks, or to enable them without polling).
(issue 42194)
Fix performance issue in deduplication of lists of tool installers.
(issue 42141)