System Information
Operating system: Windows-10-10.0.18362 64 Bits
Graphics card: GeForce GTX 1060 6GB/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 388.13
Blender Version
Broken: version: 2.81 (sub 8), branch: master, commit date: 2019-09-08 13:17, hash: rBad21a6c22461
Worked: (optional)
Short description of error
Folding or unfolding items in the outliner is only possible with shortcuts num +/-, clicking on the arrows doesn't do anything
Exact steps for others to reproduce the error
open blender and click on arrows in outliner