LeeKm driver report. from war thunder game 13.9 catalyst, 13.10, 13.11 betas. all of same ----------> [ warthunder win7+ debug option(default) = ~like 45 fps with stuttering warthunder vista debug otion = ~like 40 fps without stuttering but not realy stabile ] 220.127.116.110 windows update driver -----------> [ warthunder win7+ debug option(default) = like 35 fps. extra not: game like fully stabile and when used alt+tab i can see little blinking first time when turn back to game when i used endurofix dx9 patch with this driver. extra no blinking when used this patch warthunder win7+ debug option(default) = ~like 45 fps with stuttering ] EXTRA: in stuttering condition radeon pro showing ~75 fps game showing ~50 when i changed cpu affinity from system monitor for game exe performance fps changing in 35 to 50 ( and sluttering reduce ) but if i not use patch. ( win.up. driver default and no stuttering.... when i changed affinity gam fps not changing.