The Dev channel has been updated to 26.0.1410.15 (Platform version: 3701.30.0) for all Chrome OS devices except the new Samsung Chromebook. This release contains a few stability improvements.
Hangout is not working on the new Samsung Chromebook (fix coming soon).
If you find new issues, please let us know by visiting our help site or filing a bug. Interested in switching channels? Find out how. You can submit feedback using ‘Report an issue...’ in the Chrome menu (3 horizontal bars in the upper right corner of the browser).