System Information
Operating system: Windows-10-10.0.18362-SP0 64 Bits
Graphics card: GeForce GTX 1080 with Max-Q Design/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 452.06

Blender Version
Broken: version: 2.91.0 Alpha, branch: master, commit date: 2020-09-07 08:12, hash: rBb351607996e4

Short description of error
Glitches obscure the UI

Exact steps for others to reproduce the error
I don't really know the steps yet, since this just keeps happening even at startup but here are the full system specs.