For openSUSE Factory PowerPC run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:ptrommler:branches:home:darix:apps/openSUSE_Factory_PowerPC/home:ptrommler:branches:home:darix:apps.repo
zypper refresh
zypper install ruby3.4
For 16.0 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:ptrommler:branches:home:darix:apps/16.0/home:ptrommler:branches:home:darix:apps.repo
zypper refresh
zypper install ruby3.4
For 15.6 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:ptrommler:branches:home:darix:apps/15.6/home:ptrommler:branches:home:darix:apps.repo
zypper refresh
zypper install ruby3.4