Chrome for iOS has been updated to 21.0.1180.82 and is now available in the App Store. This version brings compatibility with the new iPhone 5, along with fixes for Gmail on iOS 6. You can get the update via the App Store, or from the update prompt inside of Chrome. Known issues are available on the Chrome support site. If you find a new issue, please let us know by filing a bug.
Security fixes and rewards:
Please see the Chromium security page for more detail. Note that the referenced bugs may be kept private until a majority of our users are up to date with the fix.
[$500]  Medium CVE-2012-2898: URL bar spoofing with SSL error messages. Credit to Łukasz Pilorz.
[$500]  Medium CVE-2012-2899: UXSS/SOP bypass with document.write. Credit to Łukasz Pilorz.