I’m not sure it’s a bug, maybe it is intended or not yet implemented or I missed something but is incremental loading supported for meshes used as LODs?
I notice that when I use the incremental version of .babylon files, my master meshes have their binary files (geometries data) loaded but not for the meshes used as LODs. The meshes used as LODs also have geometries with binary infos and path to the delay loading file.
Thanks for you answer!!