plasma5-desktop from KDE:Frameworks5:LTS:5.18 project
Select Your Operating System
Add repository and install manually
For openSUSE Leap 15.2 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/KDE:Frameworks5:LTS:5.18/openSUSE_Leap_15.2/KDE:Frameworks5:LTS:5.18.repo zypper refresh zypper install plasma5-desktop