The KHR_texture_transform extension is not supported yet when importing glTF files using the Datasmith plugin. This is also refered to as “uv tiling” sometimes (plus rotation), and it’s basically the ability to be able to transform the uv coordinates per texture:.
It’s a pretty small but very useful extension which I think is used frequently, so it would be really nice to have it supported:
Example models that don’t render correctly after import:
cc @UE_FlavienP