Apple Seeds Beta 3 of Mavericks 10.9.1
Apple has recently seeded beta 3 of OS X Mavericks 10.9.1 to developers. This release comes almost two weeks after the seed of beta 2. This version comes with more Mail app and bug fixes.
Developers can update in the Mac App Store under Updates. If you don’t have it you can download it for the first time in the Mac Developer Center.