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Apple issues fifth OS X 10.9.3 Mavericks beta to developers with minimal changes

Apple on Thursday issued the fifth OS X 10.9.3 Mavericks beta to developers, asking testers to focus on graphics, audio, Safari and the recently restored iTunes contacts and calendar syncing over USB.




The latest OS X 10.9.3 beta, dubbed build 13D33, comes one week after the prior release was seeded in late March. Like the previous build, however, Apple's current pre-release software contains similar focus areas for testing.

Build 13D33 contains no known issues and focus areas are the usual Graphics Drivers, Audio, Safari and iTunes contacts and calendar synchronization. Mail is once again included in the list of focus areas, something Apple has been grappling with since Mavericks launched in October.

Previous OS X 10.9.3 betas added pixel-doubling scaling support, suggesting the upcoming maintenance update will bring a so-called "Retina" output mode for users connecting their late-2013 MacBook Pro with Retina display to external 4K monitors

Developers can download the build 13D33 from Apple's Developer Portal or via Software Update.