Don't reload user records from disk unless explicitly requested to improve performance of user record access.
(issue 45737)
Prevent NullPointerException in Jenkins#getRootURL() while the instance is not fully loaded yet.
(issue 34914)
Contributions to the PATH environment variable could result in malformed values on agents on a platform different from the controller's.
(issue 14807)
JNLP for launching agents now requests Java 8.
(issue 45679)
Prevent NullPointerException when a previous completed build is missing for upstream culprits check.
(issue 45516)
Correctly show or suppress warnings about undefined parameters based on hudson.model.ParametersAction.keepUndefinedParameters system property.
(issue 45519)
Internal: Delete obsolete SECURITY-144-compat exclusion that can break tests.
(issue 25625)