Apple has begun seeding OS X 10.7.3 to the members of its developer program, and the new version has a focus on the way that it handles the iCloud storage and Documents in the Cloud services, reports Appleinsider.

Apple requests that developers focus their bug finding efforst on iCal, Mail, Address Book and iCloud document storage. The update is build 11D16 and weighs in at 633MB. It has no known issues.

Developers that are interested in installing it can do so via the Mac Developer Center, but will be unable to downgrade to current versions if they do.

Apple released its latest version, OS X 10.7.2, on October 12th, bringing iCloud features to Macs running Lion.

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