Continuing their work on the 12.11 drivers, AMD has recently released their 12.11 beta 11 driver update. This driver fixes several system hangs while including the previous improvements to performance found in Beta 8. In particular, the driver notes call out to a performance upgrade for Far Cry 3. Here are the direct links to the various drivers:

AMD Catalyst 12.11 Beta11 Driver for Windows Vista/7/8

AMD Catalyst 12.11 Beta11 Driver for Windows Vista/7/8 - with .NET 4 Support

AMD Catalyst 12.11 Beta11 Driver for Linux

AMD Catalyst 12.11 CAP2

AMD Catalyst 12.11 Beta Release Notes