Well, in one level I was working in (3rd person shooter template), I added a colored glass material to a few of the platforms. Wherever the face of a grey (default color) platform meets the face of a glass platform (from the material I applied), there’s a ton of flickering and artefacts (jittering lines and aliasing). I tried different settings changes, and it didn’t remove it. Rebuilt lighting, increased resolutions, set all involved to movable…still there…only seemed to be a little bit less via increasing resolution I think. So, I tried enabling ray tracing in the project settings, with ComputeSkinCache, and now I can’t even open the project since it crashes during loading phase.