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I'm trying to define custom materials using .mtlx files (trying to get the transparent ones :D ), however RPR.rprMaterialXSetFile doesn't seem to be available anymore. A similar error for the Gold material is also found, i.e. rprMaterialXAddDependencyMtlx not found.

Hi, I've been experimenting with this on macOS (intel), and most things seem to be working nicely now. There's a few places where care needs to be taken defining UInt types when passing to the library, and volumes seem to be broken on the ProRender side, but I've otherwise been able to reproduce most of the examples.
The one issue that I now have is that texture's aren't being applied as expected, see the attached images for the same setup defined using the c++ api and one defined using the Julia version.
I've got as far as finding out that there's a mismatch between the uv values being provided by GeometryBasics.jl and the ones defined in the c++ examples. Do you have any suggestions as to where the best place would be for me to try and fix this on the Julia side?
Thanks