Operating system: Windows-10-10.0.18362-SP0 64 Bits
Graphics card: GeForce RTX 2070/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 451.77
Broken: version: 2.91.0 Alpha, branch: master, commit date: 2020-09-01 07:02, hash: rBc78c4252669a
Worked: (newest version of Blender that worked as expected)
Short description of error
Shader Editor has psychedelic graphics background. It changes pattern as you zoom in/out.
Exact steps for others to reproduce the error
- Start Blender.
- Open "Shader Editor".
- Observe the psychedelic graphics background.