Hello, I’m working with GLTF files, and unfortunately I have noticed that UE5 (can’t say for older versions) only imports 1 UV map for each mesh, even though my meshes have more than one: importing the same file into Blender, I can see the multiple UV channels just fine. I’ve noticed this issue fo…

You can try to port back those changes in your 5.5 and let us know how it goes. https://github.com/EpicGames/UnrealEngine/commit/89173273b11adf2256283ca2d3c0e67733fb818b