Chrome for Mac beta was released while I was on a vacation. If you were using the dev channel, you won't be seeing an appreciable difference as the beta is just a specific dev build (22.214.171.124) which has been promoted to the Beta. Unfortunately, the mac beta is without
It is too bad that mac chrome hasn't gained extension support. Without extensions to block flash (like my kill flash), flash is killing my macbook with 100% CPU usage. I have to kill the flash player process using "Activity Monitor" when that happens and the whole chore is pretty irritating.
Extension support is supposedly coming to mac chrome pretty soon. But it will appear in the dev channel first. All dev channel users have been automatically switched to the beta channel, so if you want extension support switch back to dev channel manually.