[grapeli23]

It's easier to create a new user account and run firefox from it. Something like: xhost +si:localuser:firefox && su - firefox -c 'DISPLAY=:0 HOME=/home/firefox firefox 2>/dev/null' && xhost -

[Tharkun]

Yeah, because that's a lot easier than just running "firejail firefox".. And does your snippet work on Wayland?