I'm using Wayland exclusively for 4 years now on Archlinux (may be more, I forget). At this point, it is better than X11. It still has bugs, but then so does X11.
Fractional scaling is fixed in Plasma 6 though. So, if you need that, it has been good for 1 year now.
Fractional scaling is fixed in Plasma 6 though. So, if you need that, it has been good for 1 year now.