the maintainer is currently Ubuntu, but they stuck at version 5.2.1, which was released in Jan 2021. would Pop! compile a more updated version (say 5.3.1)?
zstd formated Kernel has conflicts with the 5.2.1, causing issues with libguestfs, but it’s fixed upstream on 5.3.1+.
This is related to: https://lemm.ee/post/11764643
$ sudo apt show supermin Package: supermin Version: 5.2.1-4ubuntu2 Built-Using: musl (= 1.2.2-1) Priority: optional Section: universe/admin Origin: Ubuntu Maintainer: Ubuntu Developers Original-Maintainer: Debian Libvirt Maintainers Bugs: https://bugs.launchpad.net/ubuntu/+filebug Installed-Size: 1,596 kB Depends: libc6 (>= 2.33), libcom-err2 (>= 1.43.9), libext2fs2 (>= 1.42.7), apt, cpio, e2fsprogs Recommends: linux-image-amd64 Breaks: libguestfs-tools (<< 1.25.38) Homepage: http://people.redhat.com/~rjones/supermin/ Download-Size: 441 kB APT-Manual-Installed: no APT-Sources: http://apt.pop-os.org/ubuntu jammy/universe amd64 Packages Description: tool for building supermin appliances. Supermin appliances are tiny appliances, similar to virtual machine images, usually arround 100KB in size, which get fully instantiated on-the-fly in a fraction of a second to a filesystem image when they are booted.