after tryed The Ascent and some games, use full screen mode, under 1440p, my native is 4k monitor, and enable it as well in the AMD ssoftware, adrenalin edition. the popup in the game display it is not activated , why? i see some game happened similar sitution , even it is under full screem mode that the FSR 2.0 required.
GPU scaling also enabled with Preserve aspect ratio and use YCbCr 4:4:4 pixel format,
