Changelog for kde-i18n-Polish-3.5.10-30.fc31.noarch.rpm :

* Thu Jul 25 2019 Fedora Release Engineering - 1:3.5.10-30- Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
* Fri Feb 01 2019 Fedora Release Engineering - 1:3.5.10-29- Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild