Download of OS X 10.8.5 Supplemental Update 1.0 for Mac was on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The program is included in System Tools. This Mac application was originally produced by Apple, Inc. We recommend checking the downloaded files with any free antivirus.
From the developer:
The OS X 10.8.5 Supplemental Update is recommended for all users running OS X Mountain Lion 10.8.5. This update: Resolves an issue that may prevent certain applications from using the FaceTime HD camera on mid-2013 MacBook Air systems. Fixes an issues that may cause external drives to be ejected after the computers goes to sleep. Addresses an issue that may prevent HDMI audio from working after waking from sleep.
You may want to check out more Mac applications, such as OS X Bash Update, Learn Mac OS X or LaCie DVD Update Tool, which might be related to OS X 10.8.5 Supplemental Update.
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