http://waffles.i2p/blog/case.html
However, because of Wayland wanting to take a step back, slow their roll and try to reimplement most of what Xorg did, development moves at a bit slower pace, which is why I don't expect to have anything remotely finished for another few years. Accessibility is supposedly one of their intended use cases, and it should be if they want any chance in hell of being taken seriously, but they have to go about it in a very methodical and security-first way.