Yes.
When I right click on Firefox there is no minimise. And I cannot copy paste to the terminal using the mouse.
How are you doing it?
The only modification I've made to it is installing the rpmfusion repo and installing ffmpeg-libs to enable HTML5 in Firefox. But that worked perfectly in Fedora 30. So I doubt it's related.
I suppose I could try a reinstall if I have to.
----
Right spun up a VM at work with Fedora workstation 30 on it. And it is exactly the same as mine at home. There is no right click minimize for Firefox.
However there does seem to be copy/paste from to the terminal!
Maybe it's the Cinammon spin front end I'm using?