libgnome from home:marec2000:gnome:backports project
Select Your Operating System
Add repository and install manually
For openSUSE Leap 15.6 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:marec2000:gnome:backports/openSUSE_Leap_15.6/home:marec2000:gnome:backports.repo zypper refresh zypper install libgnome
For openSUSE Leap 15.5 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:marec2000:gnome:backports/openSUSE_Leap_15.5/home:marec2000:gnome:backports.repo zypper refresh zypper install libgnome