Changelog for ghc-reducers-3.12.3-1.2.x86_64.rpm :

* Mon Jul 09 2018 psimonsAATTsuse.com- Update reducers to version 3.12.3. A detailed changelog is not available from upstream.
* Wed Mar 14 2018 psimonsAATTsuse.com- Update reducers to version 3.12.2. A more detailed change log is not available.