Today, August 23, Apple pushed out the first update to OS X Mountain Lion. The update can be downloaded through the Mac App Store or through a direct download.
To run the update, open the Mac App Store, click “Updates” in the upper right of the app, and wait for the update to appear. Follow the on-screen prompts from there. The 20-30 MB file addresses fixes for iMessage, Migration Assistant, and audio on Thunderbolt displays.
Apple notes that the update includes “general operating system fixes that improve the stability and compatibility of your Mac.” The general notes about this update include fixes that:
Security information is found here: http://support.apple.com/kb/HT1222
According to some developers, this update may also address battery life challenges on some systems. Your impact may vary on the battery front, but it is a positive sign. Our machines haven't experienced battery woes with Mountain Lion, so we'll continue to monitor the performance impact with this new update.
While the update was just released today, Apple also seems to be already working on the next update to Mountain Lion, 10.8.2.
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