This update is recommended for owners of MacBook, MacBook Air, and MacBook Pro with Mini DisplayPort. The update addresses an issue where some standard definition purchases from the iTunes Store do not play on some external displays.
Update: The photo previously used in this article was actually of a PowerBook screen that had been circulated and referred to as a MacBook Air screen. The new photo is actually of a late 2008 MacBook Pro, though MacBook Air users agree it demonstrates the same problem as the late 2008 MacBoo...
Mon, Dec 8 | from TidBITS