Apple has seeded bug fix releases of iTunes 11.1.1 and an OS X 10.8.5 Supplementary Update to Apple employees ahead of a likely public release



From MacRumors:

The Supplemental Update was previously seeded to employees in late September with a build number of 12F42; the new seed has a build number of 12F45. The OS X 10.8.5 update fixes issues related to the FaceTime camera on some mid-2013 MacBook Air models, as well as problems with external drives, HDMI audio, and USB Bluetooth adapters.

  Apple Employees Testing Prerelease iTunes 11.1.1 and OS X 10.8.5 Supplemental Update