Just learned about it recently. It has received a lot of praise as a rolling release distro. Also it uses runit instead of systemd.
It has been praised also for being more stable and better designed than Arch.
And I wonder how it compares to OpenSUSE Tumbleweed,
Packages that cannot be accepted upstream: themes, icons, fonts, packages that are “too new” (think Zig 0.16 for example), anything that packages binary blobs, anything that maintainers refuse to accept like Brave browser, or even your own tools.
Just off the top of my head. The reason I started that repo in the first place was to get a Noctalia package that I can install across multiple machines.