[dingo_bat]

No, I mean what does it mean for an app to have multi-monitor support? Isn't that usually a domain for the window manager. The app can be dragged from one monitor to another.

[oblio]

IDEs especially have a lot of panels. Those can be moved around in the window or even outside of the window.

So you can have the code window, the debug window, etc.

So what people actually want is multi-window support.