As a Roblox developer, it is currently too hard to edit the skeleton of a custom model.
When I build custom models for NPCs, animals, etc I need to connect all the body parts with Motor6Ds so that the model can be animated. The problem is that this is very difficult in Roblox. I use the Character Creator plugin, but it still has limitations and it is difficult to finely align and orient the Motor6Ds.
Every 3D program that I know of has a way to visualize and edit the skeleton. I think Roblox needs such a feature to make it very easy to visualize, align, and orient the Motor6Ds. To take it a step further, it would be nice to be able to import and export such things in/out of programs like Blender.
If Roblox is able to address your issue, how would it improve your game and/or your development experience?
Currently building custom rigs in Roblox is unnecessarily difficult. With a nice skeleton editor, it would be much easier to build custom characters and animations.