The Beta channel 53.0.2785.55 (Platform version: 8530.49.0) has been released for Chrome OS devices. This build contains a number of bug fixes, security updates and feature enhancements. A list of changes can be found here.
If you find new issues, please let us know by visiting our forum or filing a bug. Interested in switching channels? Find out how. You can submit feedback using ‘Report an issue...’ in the Help section of the Chrome menu (3 vertical dots in the upper right corner of the browser).