Changelog for ghc-hruby-devel-0.3.5.4-1.2.x86_64.rpm :

* Mon Jul 09 2018 psimonsAATTsuse.com- Update hruby to version 0.3.5.4. A detailed changelog is not available from upstream.
* Wed Mar 14 2018 psimonsAATTsuse.com- Update hruby to version 0.3.5.1. A more detailed change log is not available.