My touchpad still works like shit on libinput (which is the only input method available on wayland).
I guess in a few years I'll need to patch it and carry my patches forever. Yay progress!
Taking a wild guess that this may or may not help you: https://github.com/kekekeks/waynaptics
Taking a wild guess that this may or may not help you: https://github.com/kekekeks/waynaptics