The Dev channel has been updated to 52.0.2743.19, 52.0.2743.21 (Platform version: 8350.14.0) for all Chrome OS devices except for celes and x86-alex-he . 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).