Touchscreen stops working after using pen (surface pro 6)

[xypwn]

I have encountered this strange bug very often but I have now finally figured out how to reproduce it. The problem was that after writing stuff with the pen, my regular touch just stops working, at least partially: it still seems to recognize the fact that my finger is on the screen but it just won't change the mouse cursor position. Everything done with the pen however is recognized just normally. I have not encountered this bug on Ubuntu and I think that it is Arch specific. Maybe something with libinput?

How to reproduce the bug

1. Place a finger on the touchscreen, not your palm, just a finger
2. With the finger on the touchscreen, place the pen on the screen afterwards
3. Now any positional input through the regular touchscreen is not recognized

[xypwn]

The issue seems to be with X.Org. I had recently tried Wayland and it seems to work just fine, however I would still prefer using X so if anyone has found out a way to fix it there, I would love to hear from it.