Following the release of iOS 6.0.2 earlier today, Apple has now begun seeding their third OS X 10.8.3 beta to developers. The update bears a build number of 12D43, and comes less than two weeks after the previous beta seed on December 6.
As with previous betas, the update lists no known issues, and developers are once again asked to focus on AirPlay, AirPort, Game Center, Graphics Drivers, and Safari as they test their apps against the new build. The beta is available now through Software Update on Macs that are already running a beta build, as well as for direct download at Apple’s developer site.