Apple has released a software update for the MacBook Pro.

The update improves the system's stability when using Motion 2 and Motion 3, as well as providing "important bug fixes", the company said.

MacBook Pro Software Update 1.1 is a 14.7MB download that the company recommends should be installed on all 2.2GHz and 2.4GHz models.

The update requires Mac OS X 10.4.9 or later.