Rivatuner has been updated towards version 2.21 This release has a small number of updates yet mainly is a hotfix for a Grand Theft Auto 4 missing texture issue. Obviously support has been added as well as ForceWare GeForce drivers u180.60, 180.70 and 180.84are supported and AMD ATI Catalyst 8.12 driver support has been added as well. Please check out the change list.