KDE, because I'm too lazy to switch back to XFCE, which offered every feature I already use in KDE except without the stuttering, the bugs, and the update cycle that breaks things way, way too often on a rolling release distro.
Or openbox. My old laptop has openbox, but that's more for screwing around with EWW than doing day-to-day things.
Garuda. It's even easier than Manjaro. The theming can be a bit much, though.