If you are using :manjaro: #Manjaro or :arch: #Arch and you have #Nvidia graphics card, and you updated to Plasma 6, you are up for a nasty surprise, as after typing your password to login, you will get into a black screen. It seems X11 doesn't have this issue, but Wayland is completely toasted!
The only solution I found is to create /etc/modprobe.d/nvidia.conf and put these two lines in it:
