arch linux (I always update to latest version)
gtx 550 ti
Broken: 2.78c and also tested 2.73, 2.77
Short description of error
I randomly downloaded downloaded 2.63a and the pen pressure works perfectly.
But the pen pressure is not working on versions 2.7 and greater i think.
Exact steps for others to reproduce the error
2>use the huion 1060 pro tablet