How to properly enable wayland on KDE with Nvidia on a laptop?

[Yochanan]

See:

[HowTo] Use Wayland with proprietary NVIDIA drivers

Difficulty: ★★★☆☆ Wayland does not play well with proprietary drivers. Currently the biggest issue is that NVIDIA does currently not support Xwayland properly, so apps that require it get software rendering. This includes most games, which are the most common use case for proprietary NVIDIA drivers. This is why GNOME automatically disables Wayland if you have NVIDIA. However, if this does not deter you, you can use Wayland with NVIDIA drivers. Here is how to do it: If not using G…