Changelog for deepin-help-15.4.8-3.fc29.noarch.rpm :

* Thu Jul 12 2018 Fedora Release Engineering - 15.4.8-3- Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild
* Wed Feb 07 2018 Fedora Release Engineering - 15.4.8-2- Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild
* Thu Jul 20 2017 mosquito - 15.4.8-1- Update to 15.4.8
* Sat Jul 15 2017 mosquito - 15.4.7-1- Initial build