systemd-experimental from home:fxzxmic:openSUSE project
Select Your Operating System
Add repository and install manually
For slowroll run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:fxzxmic:openSUSE/slowroll/home:fxzxmic:openSUSE.repo zypper refresh zypper install systemd-experimental