Apple has asked developers to begin submitting OS X Mavericks-optimized apps



From TUAW:

On Apple's official News and Announcements page for developers, the company said:

Submit your OS X Mavericks apps today.

Make sure your app takes advantage of the great new features in OS X Mavericks when the world's most advanced desktop operating system becomes available to millions of customers later this fall. Download OS X Mavericks GM seed and Xcode 5.0.1 GM seed, now available on the Mac Dev Center. Build your apps with these latest seeds, then test and submit them to the Mac App Store.

  Apple asking devs to submit OS X Mavericks apps