Default the built-in Jenkins Update Center URL to https://updates.jenkins.io instead of obsolete HTTP endpoint. This requires a JRE compatible with Let's Encrypt, e.g. Oracle JRE 8u101.
(pull 2996)
Fix problem with auto upgrade when using custom JENKINS_HOME on Windows.
(issue 13153)
Administrative monitor did not detect when Tomcat's URL escaping does not permit forward slashes.
(issue 31068)
Fix broken UI for users with Discover permission when renaming a job.
(issue 41637)
Internal: Avoid code duplication using default methods.
(pull 2999)