Changelog for ghc-semigroups-devel-0.18.5-lp150.1.1.x86_64.rpm :

* Mon Jul 09 2018 psimonsAATTsuse.com- Update semigroups to version 0.18.5. 0.18.5 [2018.07.02] - ------------------
* Use a more efficient `sconcat` for the `Semigroup` instances for strict and lazy `ByteString`.
* Tue Mar 13 2018 psimonsAATTsuse.com- Update semigroups to version 0.18.4. A more detailed change log is not available.