Apple has released MacBook Pro Software Update 1.3 (http://support.apple.com/kb/DL1026) for all 15-inch and 17-inch MacBook Pro mid-2010 models. It contains improvements for graphics stability for high-performance video and gaming applications, as well as various bug fixes. 

MacBook Pro Software Update 1.3 is a 258.32MB download and requires Mac OS X 10.6.3. You can obtain it via the Software Update component of Mac OS X’s Systems Preferences app.