ChromeのUpdateがでてますな。

Chrome Releases: Beta release: 0.2.149.30
とりあえず気になるのはSecurity Updates

[r2042] Fix a potential denial of service with very long title attributes on tags. The title attribute sets the tooltip text when you hover the mouse over an element.
Security Rating: Low risk. This can lead to 100% CPU usage or a tab crash.
More information: http://www.securityfocus.com/bid/30975

ほかにもいくつか変更はあるけど、どっかで話題になったら読もう(汗