Apple has released MacBook Air and MacBook Pro Update 2.0 for all laptop models introduced in June 2012: both 13- and 15-inch sizes of the MacBook Pro, the MacBook Pro with Retina Display, and both the 11- and 13-inch versions of the MacBook Air. The minimal release notes say that this release “includes graphics performance and reliability enhancements and improves compatibility with some USB devices.” Requiring OS X 10.8.2 Mountain Lion, the update should appear in the App Store’s Updates screen for affected models, or you can download it directly from Apple’s Web site. If you have one of these models still running 10.7 Lion, it would seem that an upgrade to Mountain Lion would be the only way to take advantage of the update. (Free, 127.07 MB)
Two Shortcuts for App Exposé
If you want to see all the windows for a particular app via App Exposé, there are two hidden shortcuts. For either, start by pressing Command-Tab to bring up the app switcher. Then, while still holding down the Command key, press either the 1 key or the up arrow. That puts you into App Expose mode, with all of an app's windows showing, and recent documents in a row across the bottom of the screen. Let up on the Command key, and then you can press Tab to cycle through all the running apps.
MacBook Air and MacBook Pro Update 2.0
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After clicking Download on the Apple page http://support.apple.com/kb/DL1609 I receive an error.
Apple has pulled it.
I tried Software Update (a.k.a. MAS) on my new MacBook Air, and there is no sign of it there either.
I've opened a case to find out what happened to it.