I am using Fedora with vanilla GNOME + a few extensions since Fedora 25 and since Fedora 32 the Super key doesn’t work anymore.
Since it was an upgrade from Fedora 31, I just freshly reinstalled Fedora 32, but I still have the issue. I tried with another keyboard and I got the same issue as well (keyboard brands: Cooler Master and WASD).
That said, my machine in the living room is also on Feodra 32, but it’s using a Logitech wireless keyboard (with a proprietary USB dongle), and there the Super key works!
Do you have any idea why it was working before and now it doesn’t? Is it an upstream bug and a fix is on the way?
OK, but then I have no problem calling this special key a “windows” key even on linux or macos (as they happen to have windowed UIs), probably this key will not have any function in a terminal window (even if it could)
You can do whatever you want with your keys on Linux, from assigning shortcuts for specific actions in applications, including the terminal, to completely remapping them. And if you have to regularly type characters and symbols beyond ASCII (° ≠ ô ≥ ⇒ etc.), the compose key is indispensable.