Symlinks are required to enable Wayland and X11 (WSLg)
$ ln -svf /mnt/wslg/.X11-unix /tmp/
$ ln -svf /mnt/wslg/runtime-dir/wayland-0* /run/user/1000/
https://github.com/microsoft/wslg/issues/1032
https://github.com/microsoft/wslg/wiki/Diagnosing-%22cannot-open-display%22-type-issues-with-WSLg
This should probably be mentioned in README or after install.
Edited by eNV25 .