Only workaround right now is to change the desktop resolution to what you want your game’s resolution to be. If you need to fast switch between two screen/resolutions setups (for when you leave the game), I’d recommend Monitor Profile Switcher which makes it easier than having to go in Windows Screen’s Parameters every time.
Ah oui non mais totalement, je ne parlais que spécifiquement de l’instance lemmy.ml, pas des autres !