Plex Media Server relies on a numbered Debian release to be present in /etc/os-release, but on testing this is not present.
This creates error logs like this:
Mar 13 19:38:34 python systemd[1]: Starting plexmediaserver.service - Plex Media Server...
Mar 13 19:38:34 python systemd[1]: Started plexmediaserver.service - Plex Media Server.
Mar 13 19:38:36 python Plex Media Server[147095]: Error in command line:the argument for option '--platformVersion' should follow immedi>
Mar 13 19:38:36 python Plex Media Server[147095]: Crash Uploader options:
Mar 13 19:38:36 python Plex Media Server[147095]: Minidump Upload options: