Absolutely not. Like many things you can mis-understand the point. The point of Dear ImGUI is to easily stick it into what you already have. The point is it has

Absolutely not. Like many things you can mis-understand the point. The point of Dear ImGUI is to easily stick it into what you already have. The point is it has no dependencies on any graphics API. You can stick it in Unreal if you want. You just need to be able to draw a list of vertices. That's one of its major features. To gloss over that and think "it only works with stuff in this folder that was renamed from examples to backends" is missing what the library is and isn't. Those are examples of how to make a backend. They aren't Dear ImGUI