It is better to use the dev (snapshot) release as built on
https://copr.fedorainfracloud.org/coprs/g/design-suite/blender-3d/build/2...
starting point in this case. I haven't got the time to fully update the spec fixing
imath dependency but it seems resolving openexr issue.
Luya Tshimbalanga
Fedora Design Suite maintainer
Fedora Design Team