Mac OS X Mountain Lion 10.8.2 12C31a beta Combo | 642 MB
Description: OS X Mountain Lion 10.8.2 is labeled build 12C31a and weighs only 642 MB. This build has a number of improvements of the new "apple" of mobile OSes, including a solution to the rapid discharge of the battery on Macbook Pro.
In addition, the build system is designed to make the integration with social networking site Facebook even deeper and will ask the developers - test participants to bring this innovation focus.
In addition, participants will be required to verify testing new features such special features OS X Mountain Lion 10.8.2 finalized as Messages, Game Center, Safari and Reminder.