gimp from home:RobinR1:gimp3 project
Select Your Operating System
Add repository and install manually
For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:RobinR1:gimp3/openSUSE_Tumbleweed/home:RobinR1:gimp3.repo zypper refresh zypper install gimp