The Dev channel has been updated to 22.0.1201.0 for Windows, Mac, Linux and Chrome Frame. This build has an update version of V8 (188.8.131.52) along with the following changes in the svn log.
Please note, on Mac we now require 10.6 or higher, and this release will not be available if you are on 10.5 or lower.
You can find out how to change to the Dev channel, or any channel, on chromium.org. If you find a new issue with this release, please shoot us a bug report.