Snow Leopard Graphics Update

The Snow Leopard Graphics Update was a patch that was released by Apple on August 16, 2010 for users of Mac OS X 10.6.4 that may have experienced stability or performance issues with their discrete GPU cards. The download was withdrawn in 2015 as the fixes had been incorporated into Mac OS X 10.6.5 and later.

Affected hardware
Hardware known to have had issues include:
 * iMac (Late 2009 to Mid 2010)
 * Mac mini (Early 2009 and Mid 2010)
 * Mac Pro (Early 2009)
 * MacBook (Early 2009 to Mid 2010)
 * MacBook Pro (15 and 17-inch, Mid 2010)

Affected software
Software known to have had issues include:
 * Aperture 3
 * Portal
 * StarCraft 2
 * Team Fortress 2