Hi, I've recently proposed a patch to libosinfo database, and they suggested that we add the version number to the ISO label, so the tool can differentiate and identify the ISOs. See https://gitlab.com/libosinfo/osinfo-db/-/merge_requests/202 The first patch adds the --label option to guix system, and it sets the label for the boot partition. The second patch simply uses it and adds a --label option to the release target in the Makefile.