Changelog for erlang-stringprep-1.0.22-2.fc34.x86_64.rpm :

* Tue Jan 26 2021 Fedora Release Engineering - 1.0.22-2- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
* Fri Jul 31 2020 Randy Barlow - 1.0.22-1- Update to 1.0.22 (#1807190).- https://github.com/processone/stringprep/blob/1.0.22/CHANGELOG.md