**System Information**
Operating system: Windows-10-10.0.18362-SP0 64 Bits
Graphics card: GeForce GTX 1060 6GB/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 442.19
**Blender Version**
Broken: version: 2.83 (sub 13), branch: master, commit date: 2020-04-08 21:23, hash: `rB1239cab11ff9`
**Short description of error**
Some keys on the tablet don't work while a pen is hovering above the surface of the tablet.
If you stop hovering the pen over the tablet, the keys become to work.
**Tablet**
Wacom Driver Version 5.3.5-3
Model: CTH-460
**Exact steps for others to reproduce the error**
1) Assign a key on the tablet to the middle click.
2) Hover the pen on the tablet.
3) Press the key on the tablet and try to rotate a viewport. This doesn't work.
1) Keep the pen away from the tablet.
2) Press the key on the tablet.
3) Move a cursor by using a mouse. In this case, I can rotate a viewport.