I used NVIDIA on sway/hyprland on Wayland on NixOS with a variety of driver versions last year and still had awful flickering that made it basically unusable. A

I used NVIDIA on sway/hyprland on Wayland on NixOS with a variety of driver versions last year and still had awful flickering that made it basically unusable. After much consternation, I fixed it by buying an AMD card, and it's worked smoothly since.