We need someone to test NVIDIA Wayland support using EGLStreams.
PR in nixpkgs is Add mutter nvidiga eglstream support by hedning · Pull Request #60100 · NixOS/nixpkgs · GitHub
Simply build you system with that pr through some manner and preferably respond on GitHub, but here is fine also.
Be sure to use the Wayland Session
Ahh, months later actually got around to picking up the work for this.
The new PR to test is https://github.com/NixOS/nixpkgs/pull/70295.
You need to have this set in your configuration.nix
hardware.nvidia.modesetting.enable = true; # wayland can't work without modesetting
services.xserver.displayManager.gdm.enable = true
services.xserver.displayManager.gdm.nvidiaWayland = true;
services.xserver.desktopManager.gnome3.enable = true;