Download OS X 10.8.5 Mountain Lion Build 12F17 – Developer News

Cupertino asks testers to focus their attention on five core areas of the OS

  OS X Mountain Lion 10.8.5 build 12F17 up for grabs
Apple this week has seeded its second OS X 10.8.5 beta to developers as it moves forward with the parallel development of Mountain Lion and Mavericks, the upcoming major release of its desktop operating system.

Apple this week has seeded its second OS X 10.8.5 beta to developers as it moves forward with the parallel development of Mountain Lion and Mavericks, the upcoming major release of its desktop operating system.

OS X 10.8.5 will be the fifth maintenance and security update released for Mountain Lion, Apple’s current-selling operating system.

It will mostly be a bug-fix release since all the new features prepared for this year have been reserved for OS X 10.9 (Mavericks).

In OS X 10.8.5 build 12F17, Apple lists no known issues and asks developers to focus their testing efforts on Wi-Fi, Graphics, Wake from Sleep, PDF viewing and Accessibility, and Mobile Device Management.

To download OS X 10.8.5, people registered with Apple must visit the Apple Dev Center with their developer credentials in hand.

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