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One week after the second beta seed of OS X Mountain Lion 10.8.5, Apple has issued OS X 10.8.5 build 12F17 to registered developers. The new update, again, includes no known issues and is available for developers via the Mac Developer Center and the Mac App Store Software Update function.

Apple asks testers to focus on WiFi, Graphics, Wake from Sleep, PDF viewing and Accessibility, and Mobile Device Management during their testing. Apple has also been providing 10.8.5 beta updates to its retail staff for testing. Thanks, D!