Download OS X 10.8.3 Mountain Lion Build 12D43 – Developer News

Developers handed new beta with few focus areas and no known issues

Developers enrolled with Apple’s annual seeding program are being offered a new beta of the upcoming OS X 10.8.3 Mountain Lion update which asks them to focus on core system areas like AirPlay, AirPort and Graphics Drivers.

OS X Mountain Lion Update 10.8.3 is “an update to OS X Mountain Lion 10.8,” says Apple, adding that developers installing the new build will need to focus their attention on AirPlay, AirPort, Game Center, Graphics Drivers and Safari.

Apple says there are no “known issues” with this build.

Developers who have already installed the “OS X Software Update Seed Configuration Utility” will need to choose “Software Update” from the Apple menu and the new build will appear as available for download.

Those who don’t have the update utility installed will need to log into their ADC account and download the “OS X Software Update Seed Configuration Utility.”

“After running the installer, the Mac App Store will open automatically. Click on the Updates panel and OS X Mountain Lion 10.8.3 build 12D43 will now be available for download,” Apple says.

The seed note also mentions that testers who are employing a computer which gets its updates from a local Software Update server will have their machine reconfigured by the OS X Software Update Seed Configuration Utility to use Apple's servers.

The Cupertino giant clarifies that only Macs connected to Apple’s Software Update servers will be able to install the seed.

Apple further recommends that testers remove any Configuration Profile that specifies a local Software Update server before proceeding with the installation of the OS X Software Update Seed Configuration Utility.

If, for some reason, a developer wishes to bail out and stop receiving seeds, Apple has a quick solution to that as well.

“To stop receiving new seed builds, go to the Software Update Preference in System Preferences and where it says ‘Your computer is set to receive pre- release Software Update seeds’, press the ‘Change…’ button,” according to the seed note.

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