An anonymous reader writes "Apple released an update to the firmware for SuperDrives found in a variety of MacBooks and MacBook Pros. The update was supposed to improve the "readability of certain CD media". It in fact did the opposite and much worse. Users report not being able to mount some or any media, and not being able to burn media. The update is mysteriously no longer available on the Apple website (Google "superdrive 2.1" and check out Googles cached page vs the dead link that's there now). Apple has made no comment on the website, and Apple techsupport claims that they haven't heard any about this. It's amazing that Apple's quality assurance department would do such a poor job and allow this update to be released. It's a shame that Apple isn't taking any responsibility so far..."