Tabs of multiple projects (songs) in Renoise

One of the big things I often wish in Renoise are tabs displaying multiple projects (songs) in renoise.

Very often I have some sketches in one, or more projects and want to use them in a final project. It would be great if I could open the songs simultaneous, so I can quickly copy and paste from different projects into one.

And copying multiple devices at once. Navigating to another song tab WITHOUT activating it (no vsts loaded here), just for copy-paste operations. Or a diff view