System Information
Operating system: Windows-10-10.0.17134 64 Bits
Graphics card: GeForce GTX 950M/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 436.48
Blender Version
Broken: version: 2.81 (sub 13), branch: master, commit date: 2019-10-03 21:03, hash: rBfbc096cf075b
Worked: 2.80
Short description of error
Nodes don't snap to the grid when snapping is turned on.
Exact steps for others to reproduce the error
Open Blender.
Switch to any node editor.
Move some nodes around.
Turn on snapping, and move some nodes around.
Notice how they don't snap to the grid.
Edit @Julian Eisel (Severin): Issue is that values of the RNA enum were changed in rBa2443848646c, without versioning to account for existing values/defaults.