Unable to run `mumble-server` openSUSE package using SystemD

Because of https://softwarerecs.stackexchange.com/a/1842/73901, I installed:

  1. https://download.opensuse.org/repositories/openSUSE:/Factory/standard/x86_64/mumble-1.5.517-2.1.x86_64.rpm and
  2. https://download.opensuse.org/repositories/openSUSE:/Factory/standard/x86_64/mumble-server-1.5.517-2.1.x86_64.rpm

and although https://software.opensuse.org/download/package?package=mumble&project=openSUSE%3AFactory worked perfectly, https://software.opensuse.org/download/package?package=mumble-server&project=openSUSE%3AFactory appears not to have:

Per https://forums.opensuse.org/t/mumble-server/65229/5, can anyone tell me whether the #tumbleweed package is considered usable?