Changelog for libnauty-2.6.7-2.fc26.i686.rpm :

* Fri Feb 10 2017 Fedora Release Engineering - 2.6.7-2- Rebuilt for https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild
* Sat Sep 10 2016 Jerry James - 2.6.7-1- New upstream version
* Thu Apr 21 2016 Jerry James - 2.6.5-1- New upstream version
* Fri Apr 15 2016 Jerry James - 2.6.4-1- Initial RPM