https://bugzilla.redhat.com/show_bug.cgi?id=1486878
--- Comment #17 from Fedora Update System updates@fedoraproject.org --- ghc-8.4-20180930092756.9c690d0e has been submitted as an update to Fedora 28 Modular. https://bodhi.fedoraproject.org/updates/FEDORA-MODULAR-2018-66b3e8de7c