You’d originally posted in the Support and Help area which is for Ubuntu only. As a result, it was moved by a moderator to where it is now, the Lounge, as the Lounge has a more open source nature and isn’t limited as much to supported releases of Ubuntu only as Support and Help is.
The Support and Help Start Here page with its pointers can be read by clicking here where you’ll find no mention of Fedora you specifically mention in the “Before asking a question” drop down.
For myself, the first GNU/Linux I used back in the second half of the 1990s was Debian GNU/Linux, and I’ve never stopped using it… My network files right now sit on a Debian file-server; though on desktop systems I decided Ubuntu was much much easier; so I’m mostly using Ubuntu when using a desktop. For servers I still lean towards Debian where I started though.
I’m involved with a Ubuntu flavor, and when exploring some bugs, its often helpful for me to have other systems nearby for comparison; thus I have Fedora, OpenSuSE & Debian around in desktop format; though really I’m using Ubuntu >90% of the time.
To me they’re all GNU/Linux which is what matters and my primary desktop has run each of the mentioned OSes on my primary desktop over the years and especially before 2017 which was when it finally became a Ubuntu install, and has remained it ever since. The other OSes I mentioned now only exist on secondary/comparison desktops (with exception of servers which are mostly Debian).