Installed KUAL-v2.7.12-g9623dd8-20181108.tar.xz on my PW4 via the `;log mrpi` method.
That left a KUAL doc in my book menu. Trying to open it just gives white screen with top bar.
I also installed the screensavers hack + python, and that seems to work fine (can see the success screen on going into screensaver), but it's hard to configure that without KUAL.
https://i.imgur.com/9SyVT3C.png