I know that's not your point and I'm not saying this to cherry-pick your argument but in case that's particularly relevant to you, Debian Trixie ships with Kica

I know that's not your point and I'm not saying this to cherry-pick your argument but in case that's particularly relevant to you, Debian Trixie ships with Kicad 9 : https://packages.debian.org/trixie/kicad https://packages.debian.org/trixie/kicad. If you're stuck with an earlier version, maybe you have a dependency blocking your updates.