Fedora. Reason is probably that im used to it now. But if I have to make some points why then there they are:
nice balance between being up-to-date and not bleeding edge
new technologies. Fedora always pushes new technologies first such as wayland, pipewire, systemd… I like it. I dont have to wait 2 years until x distro rolls it. I get it now, sometimes with some problems but nothing that i couldnt manage.
When im trying out some software or building from source the documentation often includes specific steps for fedora (among debian, ubuntu and arch). Its really nice to not be a niche distro and get instructions tailored for fedora. Also some pre build packages are often in deb and rpm.
-im used to dnf and its few handy commands like dnf history etc. Im sure that other package managers offer similar solutions but i know dnf and it feels like home
Fedora. Reason is probably that im used to it now. But if I have to make some points why then there they are: