Apple Seeds Developers With New Build of OS X Mavericks 10.9.3

Apple has seeded developers with a new OS X Mavericks 10.9.3 beta just one week after seeding the previous build 13D17. The new build number is 13D21. A similar build was seeded to employees and AppleCare agents earlier this week.

The first 10.9.3 seed brought support for pixel-doubled retina resolution on 4k monitors.

This is a pre-release update to OS X Mavericks 10.9. Please refer to the seed note for more details and installation instructions


Focus Areas
● Graphics Drivers
● Audio
● Safari
● Contacts & Calendar sync over USB in iTunes

Apple has also seeded a new build of iTunes 11.1.6.

Developers can download the new build from the Mac Dev Center linked below.

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