The Chrome OS Beta channel has been updated to R12 release 0.12.433.57 including Chrome 12.0.742.68 Beta and several stability and functional improvements over the previous release, announced The Official Chrome blog.

In addition to the new Chrome 12 there are several Chrome OS improvements including: new translation and fixed crash on Thai pages.

It is possible to find full list of fixes that are in Chrome OS R12 in the chromium-os bug tracker.