Download Mac OS X Lion 10.7.3 (11D16) - Developer News

Apple has begun seeding OS X 10.7.3 betas to its developer install-base with two separate builds for Client and Server needs requiring testers to focus on areas like iCloud document storage, Address Book, iCal, and Mail.

Developers accessing the Mac Dev Center at Apple.com will be greeted with OS X Lion 10.7.3 build 11D16. The same build number applies to both Client and Server 10.7.3 and the former is said to be 633MB in size.

Per the screenshot above (courtesy of 9to5Mac), the Server version of OS X 10.7.3 is around 700MB large.

The seed notes for build 11D16 say “OS X Lion Update 10.7.3 is an update to OS X Lion 10.7.”

The Mac maker headquartered at 1 Infinite Loop, Cupertino, California provides installation instructions, followed by the usual documentation (known issues, focus areas etc.).

Installation Instructions

The OS X Lion 10.7.3 Update (Combo) updates
- OS X Lion 10.7, 10.7.1 or 10.7.2 GM builds.

The OS X Lion 10.7.3 Update (Delta) updates
- OS X Lion 10.7.2 GM builds.

Please be aware that you will not be able to revert back to your previous system after updating. Please install this update on a system you are prepared to erase if necessary.

Known Issues
- None

Focus Areas
- iCloud document storage
- AddressBook
- iCal
- Mail

Apple outlines for developers that Lion betas are provided for testing and development purposes. “Should you encounter any problems, please submit a bug report using the online Bug Reporter at <http://bugreporter.apple.com/>. Please make sure to include ‘10.7.3 (11D16)’ in the bug title and description. This information will ensure that your bug is processed quickly,” the documentation reads.

Devs are told to carefully include a summary, steps to reproduce, results and expected results, a System Profile report, and any other relevant info when submitting a bug report.