This software update addresses responsiveness issues encountered by MacBook and MacBook Pro users.
But before you install this update, it's important to note that you must have already installed the Mac OS X 10.5.5 update. Once that's been taken care of, you can then proceed with the MacBook, MacBook Pro Software Update 1.2 installation.
Overall, if you're tired of experiencing frustration and delays when working on your MacBook or MacBook Pro, this software update could be the solution you're looking for.
Version 1.2: N/A