I would like an option to toggle the visibility of the Collections folders shown in the drop-down menu. These options could be: show all, default only, custom only

While Asset Forge is getting more and more building blocks (which I'm very happy about) and I'm adding a lot of my own custom collections it's easy to get lost in the scrolling. It would be nice to filter unused folders out somehow.

In addition to that; maybe it would be useful to have support for nested folders? I'm sure you're aware of the model packs made available by Keith,  I would like to separate them by having for example: 'Modular Village Walls', 'Modular Village Props' and so on, but this makes the Collections drop-down very long - these Walls and Props could also be subfolders of 'Modular Village' maybe it's to much work or has no priority at this moment but I'm sure it's something to think about as Asset Forge is improving.