adwaita-icon-theme from openSUSE:Factory:Staging:O project
Select Your Operating System
Add repository and install manually
For standard run the following as root:
zypper addrepo https://download.opensuse.org/repositories/openSUSE:Factory:Staging:O/standard/openSUSE:Factory:Staging:O.repo zypper refresh zypper install adwaita-icon-theme