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Lighting Unstable in 4.25

My editor viewport cannot handle lighting, artifacts start to pop up all over the screen making it impossible to use: https://vimeo.com/426705131/dc3b7c9a4f

This just started happening with the latest relase of UE4.25. If I switch the scene to unlit, it works fine.

So far I have:

  • Tested my graphics card in other softwares and games to see if it’s failing. Benchmarked as well, appears to be working fine.
  • Updated all my drivers
  • Installed the latest version of Windows
  • Restarted my computer, multiple times.

I am running:

  • Alienware Area 51-M
  • 64GB RAM
  • Nvidia RTX 2080
  • 2TB SSD
  • Intel i9-990k
  • 1920x1080

Any ideas what might be going on?!