Changelog for 2.212

Legend:

security fix
major bug fix
bug fix
major enhancement
enhancement

Community feedback:

no major issues
notable issues
required rollback

What's new in 2.212 (2020-01-05)

WARNING: This release introduces a critical regression, see JENKINS-60644. Please avoid updating to this version.

Prevent Jenkins page rendering from being blocked when the update center data parsing is in progress. (issue 60625)
Return error when invalid string is passed as a Run status CLI argument. (pull 4212)
Fix an edge case of loading optional dependencies that cause Jenkins to blow up on startup. (pull 4393, pull 4417, issue 60449 )
Developer: Introduce new AntClassLoader.getUrl() method to prevent code duplication. (pull 4254)