Apple Seeds Developers With Pre-Release Build of OS X Mavericks 10.9.1

Apple has seeded developers with a pre-release build of OS X Mavericks 10.9.1.

The update is build number 13B27 and has the following known issues and focus areas.

Known Issues
– None

Focus Areas
– Mail
- Graphics Drivers
– VoiceOver

Developers can get the update from the Mac Developer Center.