NetworkManager from systemsmanagement:Agama:branches:network-persistent-connections-handling 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/systemsmanagement:Agama:branches:network-persistent-connections-handling/openSUSE_Tumbleweed/systemsmanagement:Agama:branches:network-persistent-connections-handling.repo zypper refresh zypper install NetworkManager