archlinux

edit /etc/gdm/custom.conf and add the following:

WaylandEnable=true

edit /etc/mkinitcpio.conf and add the following modules:

MODULES=(...nvidia nvidia_modeset nvidia_uvm nvidia_drm...)

or if you want the open source driver add nouveau:

MODULES=(... nouveau ...)

update initramfs image:

sudo mkinitcpio -P

edit /etc/default/grub and add the following:

GRUB_CMDLINE_LINUX_DEFAULT="loglevel=3 quiet nvidia_drm.modeset=1"

update grub.cfg:

grub-mkconfig -o /boot/grub/grub.cfg

disable gdm udev rules which force use of x11:

ln -s /dev/null /etc/udev/rules.d/61-gdm.rules

reboot system:

reboot

when system boot enter gnome desktop and confirm you're running with wayland:

echo $XDG_SESSION_TYPE

if you have issues with obs-studio install the following package:

sudo pacman -S qt6-wayland --noconfirm

references