Changelog for ghc-keys-devel-3.12.1-1.2.x86_64.rpm :

* Mon Jul 09 2018 psimonsAATTsuse.com- Update keys to version 3.12.1. 3.12.1 [2018.07.03] - ------------------
* Allow building with `containers-0.6`.
* Avoid the use of deprecated functions from `containers`.
* Wed Mar 14 2018 psimonsAATTsuse.com- Update keys to version 3.12 revision 1. A more detailed change log is not available.