As noted by AppleInsider, Apple has seeded a fourth beta version of Mac OS X 10.6.7 to developers for testing purposes. The new version, termed Build 10J855, comes just over a week after the previous seed and reportedly carries no documented known issues.
Apple continues to ask developers to focus their testing on Mac App Store, AirPort, Bonjour, SMB, and Graphics Drivers, while the update has grown in size by over 35 MB to weigh in at 412.6 MB as a delta update.
A targeted public release timeframe for Mac OS X 10.6.7 remains unknown.
Article Link: Apple Seeds Mac OS X 10.6.7 Build 10J855 to Developers