I attempted to integrate the Extended Difference of Gaussians effect from Acerola’s GitHub repository into Unreal Engine. While I eventually got it working, I ran into a strange issue when scaling the viewport—both in the editor and during standalone play. Thin, spaghetti-like lines started appearing along the edges of the screen. After some debugging, I traced the issue back to the UserSceneTexture nodes. I suspect this might be a bug, since using the SceneTexture: PostProcessInput0 node doesn’t produce the same artifacts. It seems likely that the problem stems from how the UV coordinates in UserSceneTexture don’t properly adapt to resolution changes.