I have a Zenbook UX425IA running Solus 4.3 and stumbled across this project to get the in-touchpad number pad working. It worked brilliantly after I edited the install script to put the service in /etc/systemd/system and not /lib/systemd/system until I rebooted and couldn't get X to start; I was just stuck at no graphics. There was nothing interesting in the dmesg output and I, sadly, don't know enough about journalctl to get any useful information there. I've opened an issue on github about this, but was wondering if the Solus community could throw their two-cents in.
Thank you all!