https://bugzilla.redhat.com/show_bug.cgi?id=1281758
--- Comment #3 from Fedora Update System updates@fedoraproject.org --- mingw-libpng-1.6.19-1.fc21 has been submitted as an update to Fedora 21. https://bodhi.fedoraproject.org/updates/FEDORA-2015-8a1243db75