Changelog for butt-0.1.18-2.fc31.x86_64.rpm :

* Wed Jul 24 2019 Fedora Release Engineering - 0.1.18-2- Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
* Sun May 12 2019 Carl George - 0.1.18-1- Latest upstream
* Tue Apr 09 2019 Carl George - 0.1.17-3- Re-enable s390x via patch0
* Sun Apr 07 2019 Carl George - 0.1.17-2- Exclude s390x rhbz#1697142
* Fri Apr 05 2019 Carl George - 0.1.17-1- Initial package