Child armatures not working.

I can confirm that child armatures/skeletons do not work. Any thoughts on where the problem might be?

A new gameObject gets created for each child armature but it has no visible mesh. Also the gameObjects for the child armatures are not parented nor part of the main armature and are just floating off in space by themselves.

It may be better to use Unity 2d sprites and have a seperate sprite for each slot or bone. Or it would at least be nice to have the option to use sprites instead of a MeshRenderer. I see there is some code in UnityFactor that is commented out and uses the SpriteRenderer component for Unity sprites, is the planned for an update or was it replaced with the current MeshRenderer implementation?

Start by reproducing the child-armature case and inspect UnityFactor, including the commented SpriteRenderer code and the current MeshRenderer path. Trace how each child-armature GameObject is created, then verify whether its mesh is visible and whether it is parented into the main armature rather than floating independently. Done should mean the reported child-armature behavior is fixed or the intended sprite-rendering scope is clarified.