https://bugzilla.redhat.com/show_bug.cgi?id=1545149
--- Comment #23 from Alexei Podtelezhnikov apodtele@gmail.com --- https://www.freetype.org/freetype2/docs/reference/ft2-properties.html#hintin...
Is CFF_CONFIG_OPTION_OLD_ENGINE set in Fedora? If it was, you could get the old engine by default and switch between them using:
FREETYPE_PROPERTIES=cff:hinting-engine=freetype FREETYPE_PROPERTIES=cff:hinting-engine=adobe
So there is a path backwards...