Tried to load the Sponza Demo Scene add-on into Godot. Specifically, this charming Animated Knight (without fear and without reproach [1.3 GB]):

Unfortunately, the animation could not be loaded. It is made through MeshSequenceCache and does not play in the engine.
If anyone is interested and can load an animated knight to Godot, humblest request to know what sacrifice must be made and to whom.
Trying to rotate several dozen GB files, leads to the realization that the system on LGA4677 c Quadro, is not redundant for game development.
Maybe it makes sense to add a #DemoScene tag?