I am, very hesitantly, optimistic for the new smithay based compositors. Cosmic doesn’t have touch support yet, but it’s super light weight, I get better perf then I do even with KDE. I plan on swapping to it full time on my tablet when it gets touch support. (and when some touch friendly gui stuff is available). you also have catacomb which is an actual mobile compositor. Very promising stuff, but still very far out