However, it turns out there's actually a simple tweak that enables FSR 3 frame generation, and it's more than doubled my frame rate—but it does come with one major caveat.

FSR 4 currently only runs on AMD Radeon RX 9000-series graphics cards, but this inadvertent leak suggests it could run on RDNA 3 GPUs too.

AMD accidentally uploaded FSR 4's source code to GitHub this week, leaking files for a version that supports Radeon RX 7000 and earlier GPUs. The company ...