From some testing, I found we can do this already--kind of.
I can go in and click each object manually and add "-col" to the end of the object name. Once exported, Godot recognizes this and generates a collision for that particular object. However, for models with dozens, if not hundreds, of objects this can be tedious. I do like the large range of control as I do not want everything to have collisions (grass for example and for performance). Having some mechanism, such as the Layers - Feature requests - itch.io request to see all objects in a list would make this much easier. Having a checkbox that I can click with many objects selected to append "-col" to their names would also make this much easier.
