9to5

Apple has begun seeding its next OS X Mountain Lion update, OS X 10.8.4, to AppleSeed testers. Apple will likely begin seeding this to registered OS X developers soon…

Apple does not specify what the update includes, but it is likely focused on bug fixes and performance improvements like most OS X maintenance releases. Apple asks developers to focus on WiFi, Graphics Drivers, and Safari.

The first 10.8.4 beta is build number 12E27. Apple released OS X 10.8.3 last month following multiple months of developer and outside testing.

Update: It has now been released for registered developers.