Arch

Adding  Arch was laborious, but it was possible, because the project started and evolved to be as universal as possible.

Debian

Penguins' eggs started on Debian in 2017, it still supports buster in addition to bullseye , and  bookworm 

Devuan

Eggs support Devuan daedalus excalibur,

Ubuntu

Ubuntu is full supported: bionic, focal, jammy and noble

Manjaro

penguins-eggs is part of communty repo of Manjaro.

Debian derivatives

 Linuxmint, KDE neon, Pop!_OS  and virtually every Debian, Devuan and Ubuntu derivatives are supported.

Arch derivatives

 Arch and derivatives.

fedora

Fedora of course, but also AlmaLinux and RockyLinux!

Alpine Linux

Come in help to bring penguins' eggs to Alpine Linux!