https://bugzilla.redhat.com/show_bug.cgi?id=1400602
--- Comment #9 from Upstream Release Monitoring upstream-release-monitoring@fedoraproject.org --- The following Sources of the specfile are not valid URLs so we cannot automatically build the new version for you. Please use URLs in your Source declarations if possible.
- stix-fonts-fontconfig.conf - stix-fonts-math-fontconfig.conf - stix.metainfo.xml - stix-math.metainfo.xml