linuxcub, my apologies for not replying sooner -- I don't think I got a
notification of your messages for some reason...
Its odd that installing/reinstalling portions of Ubuntu seem to fix the
issue. It looks like the Bionic beta only relased IOSs for Kubuntu,
Budgie, Kylin, MATE, and Xubuntu. I
The "stylus not recognized" part of this issue is almost certainly
https://bugzilla.gnome.org/show_bug.cgi?id=793499.
No access to the pad device on the other hand is not an issue I'm
familiar with. The old unity-control-center bug that OP linked do was
due to an issue with GNOME not being
