Changelog for gsl-2.6-3.fc33.x86_64.rpm :

* Tue Jul 28 2020 Fedora Release Engineering - 2.6-3- Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild
* Wed Jan 29 2020 Fedora Release Engineering - 2.6-2- Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild
* Tue Aug 20 2019 Susi Lehtola - 2.6-1- Update to 2.6.
* Thu Jul 25 2019 Fedora Release Engineering - 2.5-2- Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
* Tue Jun 11 2019 Susi Lehtola - 2.5-1- Update to 2.5.- Updated license tag (the license that applies to the binaries) to GPLv3+.- Bring spec file up to date by relying on recommended macros in build phase.- Arched requires for base package in gsl-devel.
* Fri Feb 01 2019 Fedora Release Engineering - 2.4-8- Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild