I decided to bite the bullet and buy it (happy to support it btw!) but it doesn't work too well on Wine. (tested it in Faugus and Bottles with the default settings)
It opens, and you can browse the sounds but it crashes when you try dragging and dropping stuff in the multi track (videos too).
Cloud providers fail with
But I'm happy to run more tests and get some logs if you want.
I am running Arch, but I think with an AppImage it should run in most distros, so that's what you probably sould consider :)
I'm happy that you are considering doing Linux support! :)