This release fixes several crashes and small issues:
- Updated V8 - 22.214.171.124
- Chrome no longer says "restart required" when there's no update (Issue 67478)
- Clear browsing data settings in DOMUI options does not work (Issue 69163)
More details about additional changes are available in the log of all revisions.
You can find out about getting on the Dev channel here: http://dev.chromium.org/getting-involved/dev-channel.
If you find new issues, please let us know by filing a bug at http://code.google.com/p/chromium/issues/entry