Apple has seeded the fourth Developer Preview of OS X Mavericks to developers
From MacRumors:
From MacRumors:
OS X Mavericks is slated for release this fall and includes new features like a tabbed Finder, full screen dual monitor capabilities, Safari improvements, and a new Maps app. Developers can receive the update via the Software Update tool in the Mac App Store.Apple Releases OS X Mavericks Developer Preview 4
