The Beta channel has been updated to Chrome Version: 73.0.3683.79 (Platform version: 11647.91.0) for most 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 Chrome menu (3 vertical dots in the upper right corner of the browser).