Apple has released Mac OS X 10.6.7

Apple notes that the new 10.6.7 release includes "general operating system fixes that enhance the stability, compatibility, and security of your Mac," including adjustments that improve the reliability of Back to My Mac, resolves issues when transferring files to SMB Windows Files Sharing servers, and addresses Mac App Store bugs.

A special build for the new early 2011 Thunderbolt MacBook Pros, which shipped with "Mac OS X 10.6.6" but using a special build supporting their unique hardware, also "addresses minor FaceTime performance issues" and is reported to "improve graphics stability and external display compatibility."

  Apple releases Mac OS X 10.6.7 with display fixes for Thunderbolt MacBook Pros