Double viewport in UEFN causes shading artifacts

hi

This was reported on the original Unreal Engine 5.2. This was found to be the driver for DirectX 12. "

Google “ndivia update app” for your country version of the app.

or try

Download NVIDIA App for Gamers and Creators | NVIDIA

There was a patch in the UE Display software in later versions.

The latest Epic Support was for

RESOLVED: Known issues with NVIDIA 576.02 drivers on RTX 50-series GPUs | Epic Developer Community

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