Changelog for mingw64-wxWidgets3-3.0.4-2.fc31.noarch.rpm :

* Thu Jul 25 2019 Fedora Release Engineering - 3.0.4-2- Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
* Mon May 13 2019 Thomas Sailer - 3.0.4-1- update to 3.0.4