Changelog for gnome-shell-extension-topicons-plus-21-1.fc27.noarch.rpm :

* Thu Sep 21 2017 Andrew Toskin - 21-1- Bump to upstream version 21, which includes new translations and code optimizations.
* Wed Jul 26 2017 Fedora Release Engineering - 20-2- Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild
* Tue Mar 14 2017 Andrew Toskin - 20-1- First build packaged in Fedora.