Seems like every week over on GamingOnLinux there’s an announcement of a new launcher.
Personally I only use Steam & Lutris. Lutris for my gog games and BattleNet, Steam for everything else.
I don’t know of a good reason to use Heroic, or any of the other new ones over Lutris / Steam, but maybe I’m missing out.
Steam and lutris. Lately only steam, as I’m using steam deck as my desktop and it’s just so much easier when everything is in one place.
But lutris for wow classic and gw2 worked very well. Also on my previous laptop.
I guess I’m just not gaming that much anymore to need anything specific.