Changelog for ghc-prettyprinter-devel-1.2.1-lp150.1.1.x86_64.rpm :

* Mon Jul 09 2018 psimonsAATTsuse.com- Update prettyprinter to version 1.2.1. A detailed changelog is not available from upstream.
* Wed Mar 14 2018 psimonsAATTsuse.com- Update prettyprinter to version 1.2.0.1. A more detailed change log is not available.