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