New version 11.1 Catalyst reference drivers for AMD/ATI graphics cards are now available, along with a new version 11.1a Catalyst hotfix and new version 10.12 application profiles. The new drivers have performance improvements for F1 2010 and Left 4 Dead 2, and they are available for Windows 7/Vista 32-bit, Windows XP 32-bit, Windows 7/Vista 64-bit, and Windows XP 64-bit. This page offers details on the version 11.1a Hotfix for Windows 7 32-bit/64-bit.