Post #2407784

The change was to systemd-userdb (and systemd-homed but that one most distros don't use) which is optional. You can use the init system without it. IIRC You only need it if some apps want to use user records beyond the default NSS ones. See also https://unix.stackexchange.com/questions/805105/can-systemd-be-used-only-as-an-init-system-without-its-other-components