Please test and karma new Cura.
27: https://bodhi.fedoraproject.org/updates/FEDORA-2018-cb83b3790e 28: https://bodhi.fedoraproject.org/updates/FEDORA-2018-b6d5d3cb40 copr for older: https://copr.fedorainfracloud.org/coprs/churchyard/cura-modern/
Thanks.
3dprinting@lists.fedoraproject.org