Changelog for ghc-dual-tree-0.2.1-8.7.x86_64.rpm :

* Thu Aug 03 2017 psimonsAATTsuse.com- Updated with latest spec-cleaner version 0.9.8-8-geadfbbf.
* Tue Jul 11 2017 psimonsAATTsuse.com- Update to version 0.2.1.
* Sun Jul 10 2016 psimonsAATTsuse.com- Update to version 0.2.0.9 revision 0 with cabal2obs.