The Beta channel has been updated to 14.0.835.159 for Windows, Mac, Linux, and Chrome Frame.
This release disables chrome:flags. We are currently investigating some stability issues and are looking to see how greatly flags usage contributes to our stability metrics, hence we are temporarily disabling them. To see what other changes went into this release check out our change log.
If you find a new issue, please let us know by filing a bug.