Apple seeds OS X Mavericks 10.9.3 build 13D61 to Developers and OS X Beta Seed Program Members.
As usual, be forewarned before installing any beta/preview release software. There tends to be some show-stopping bugs.
According to a certain Apple engineer, the development of OS X Mavericks 10.9.3 is nearing completion.
In addition to the new build of OS X Mavericks 10.9.3, Apple also releases Safari 7.0.4 Seed 1.
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