Contao version 4.2.1 is available. The bugfix release fixes a couple of minor issues, including a font rendering problem in the back end. The release also includes a new version of the mediaelement.js component.
Contao version 4.2.0 is available. The feature release includes a tree view filter, a file search, content elements for YouTube and Vimeo videos and improved insert tag and sub-palette support. Also, the back end theme has been modernized.