Operating system: Windows 10
Graphics card: GTX 1080
Broken: 2.91 Alpha, c78c4252669a, 01-Sep-20-07:02
Worked: 2.91 Alpha, 396d39c6b904, 25-August-20-19:28
There's a trance laser light show in my blender and everyone is invited:
To reproduce; simply open up the latest alpha and look at any of the image or node editors. You should see strange flickering lines everywhere.
-S