Changelog for mozilla-ublock-origin-1.13.8-1.fc26.noarch.rpm :

* Wed Aug 02 2017 Ian Firns - 1.13.8-1- Update to 1.13.8 release
* Thu Jan 07 2016 Chris Smart - 1.9.16-1- Update to 1.9.16 release
* Thu Jan 07 2016 Chris Smart - 1.5.3-1- Update to 1.5.3 release- Use signed xpi from Mozilla so that it works in Firefox 43
* Tue Nov 03 2015 Chris Smart - 1.3.2-1- Initial build