For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:wolfi323:branches:KDE:Unstable:Extra/openSUSE_Tumbleweed/home:wolfi323:branches:KDE:Unstable:Extra.repo
zypper refresh
zypper install scribus
For KDE Unstable Frameworks openSUSE Leap 15.2 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:wolfi323:branches:KDE:Unstable:Extra/KDE_Unstable_Frameworks_openSUSE_Leap_15.2/home:wolfi323:branches:KDE:Unstable:Extra.repo
zypper refresh
zypper install scribus
For KDE Unstable Frameworks openSUSE Factory run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:wolfi323:branches:KDE:Unstable:Extra/KDE_Unstable_Frameworks_openSUSE_Factory/home:wolfi323:branches:KDE:Unstable:Extra.repo
zypper refresh
zypper install scribus