Joshua Kennedy

Can you provide a code snippet and the video file? It's a bit hard to tell what's going on from just this

Here's an example made in Blender 2.91 [IOR bug Blender.zip](https://github.com/GPUOpen-LibrariesAndSDKs/RadeonProRenderSDK/files/6315490/IOR.bug.Blender.zip)

Yes, we use 8 as a default and even at 10 there is no discernable difference.