Changelog for ghc-foundation-0.0.21-2.1.x86_64.rpm :

* Mon Jul 09 2018 psimonsAATTsuse.com- Update foundation to version 0.0.21. A detailed changelog is not available from upstream.
* Wed Mar 14 2018 psimonsAATTsuse.com- Update foundation to version 0.0.20. A more detailed change log is not available.