Changelog for ghc-hourglass-0.2.12-2.8.x86_64.rpm :

* Thu Aug 30 2018 psimonsAATTsuse.com- Update hourglass to version 0.2.12. Upstream has edited the change log file since the last release in a non-trivial way, i.e. they did more than just add a new entry at the top. You can review the file at: http://hackage.haskell.org/package/hourglass-0.2.12/src/CHANGELOG.md
* Tue Jul 10 2018 psimonsAATTsuse.com- Add hourglass at version 0.2.11.