It kinda does? You have to use a third party app like lutris/heroic.
You could argue that steam doesn’t fully work on linux either (multiple windows like chat, friendslist or library opened on the same workspace regularly crash on Wayland and I havent had the steam overlay working on any non linux native game) but these features arent even part of the epic launcher
I tried enshrouded beta and performance issues didn’t allow me to leave the starting area into the shroud so was basically softlocked