Changelog for golang-nanomsg-mangos-3-devel-3.1.3-2.fc34.noarch.rpm :

* Tue Jan 26 2021 Fedora Release Engineering - 3.1.3-2- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
* Tue Oct 13 2020 Fabian Affolter - 3.1.3-1- Initial package for Fedora