Tell HN: Apple still seeding to developers. Maverick DP4 is available.

Apple is apparently still seeding to developers, Maverick DP4 is now available. OS X Mavericks Developer Preview 4 now available. Take advantage of new features, like APIs that optimize the new energy saving technologies in OS X Mavericks, as well as new AV Kit frameworks, Sprite Kit, Map Kit, and many powerful additions to existing frameworks. OS X Mavericks Developer Preview 4 is available as an update from the Mac App Store for systems running OS X Mavericks Developer Preview. To learn more, review the attached release notes.