I'm having this issue on both my machines. 3090 on one and 3060 on my laptop, both lost 30-40 fps. No mods, tried DX11 and Vulkan, tried disabling the launcher, both have fully updated drivers. I tried dropping the quality to low and it didn't help a bit. No idea what's going on, but the game is basically unplayable--if my character or camera is moving, or a cutscene is playing, I can barely hit 20 fps.
What the heck happened?