I agree with Corey....Fedora is more up to date than Ubuntu/Mint/.deb based distros, and not just the ham radio
stuff either.....
and there is a way to convert .deb files to .rpm files using the app Alien https://www.maketecheasier.com/convert-deb-files-rpm/
and if you're just dying to try the absolute bleeding-edge stuff, try out ARCH Linux....