Apple has released both OS X 10.8.5 supplemental update as well as iTunes 11.1.1 update.
10.8.5 update brings FaceTime HD Camera bug fixes, HDMI audio issues and other fixes.
The OS X v10.8.5 Supplemental Update is recommended for all users running OS X Mountain Lion v10.8.5. This update:
● Resolves an issue that may prevent certain applications from using the FaceTime HD camera on mid-2013 MacBook Air systems
● Fixes an issue that may cause external drives to be ejected after the computer goes to sleep
● Addresses an issue that may prevent HDMI audio from working after waking from sleep
● Fixes an issue that may prevent certain USB Bluetooth adapters from working
iTunes 11.1.1 fixes an issue that caused iTunes Extras to display incorrectly, fixes problems with deleted podcasts and brings other stability improvements.
This update resolves an issue that may cause iTunes Extras to display incorrectly, fixes a problem with deleted podcasts, and improves stability.
You can use the software update tool in Mac App Store app to receive this update. You can also grab the update here.