Apple has released MacBook Air Flash Storage Firmware Update 1.0 for MacBook Air models released in the middle of 2012. The release addresses a rare problem that could cause a system to fail to recover from a crash. As always with firmware updates, we recommend relying on Software Update or the App Store app to ensure you get the firmware update for your specific model, and being careful not to interrupt the update process. Apple also notes that your MacBook Air will shut down after the update is complete, and that you should wait one whole minute before restarting it. (Free, 1.69 MB)
Enter Dashboard, Expose, or Spaces Temporarily
Hold down F9, F10, F11, or F12 (or whatever you've set for the Expose and Spaces keyboard shortcuts) for a few seconds, and then release the key to enter and leave the appropriate mode without having to press the key again. This is particularly useful for Dashboard, in which you can check the contents of a widget and then return to your work with only a single key press.
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MacBook Air Flash Storage Firmware Update 1.0
Set up short abbreviations which expand to larger bits of text,
such as “Tx” for “TextExpander”. With the new custom keyboard,
you can expand abbreviations in any app, including Safari and
As an aside, I tried to find the history of updates as I would have in the "old days" (e.g., Lion and earlier) when another tab in software update would reveal each one going back a long way, perhaps to the last (maybe only) "clean install."