The Chrome team is happy to announce the arrival of Chrome 21.0.1180.15 to the Beta Channel for Windows, Mac, Linux, and Chrome Frame.
Chrome 21 contains some really great improvements including better communication and printing experiences. More on what's new at the Official Chrome Blog and the Chromium Blog.
You can find full details about the changes that are in Chrome 21 in the SVN revision log. If you find new issues, please let us know by filing a bug. Want to change to another Chrome release channel? Find out how.