Packages updated, thanks: https://aurelien.bompard.org/rpms/fedora/27/performous/performous.spec https://aurelien.bompard.org/rpms/fedora/27/performous/performous-1.1-2.fc27.src.rpm I've also requested the update to OpenCV here: https://bugzilla.redhat.com/show_bug.cgi?id=1528096