Changelog for avahi-dnsconfd-0.7-20.fc31.x86_64.rpm :

* Wed Jul 24 2019 Fedora Release Engineering - 0.7-20- Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
* Fri Feb 22 2019 Michal Sekletár - 0.7-19- add support for advertising services on the local machine only (i.e. on loopback)
* Mon Feb 04 2019 Kalev Lember - 0.7-18- Update requires for pygobject3 -> python2-gobject rename
* Thu Jan 31 2019 Fedora Release Engineering - 0.7-17- Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild