I have confirmed the the updated (5.0.2-60) version of 'cinnamon-control-center' resolves the missing Display dialog/gschema issue and that it works correctly in the openSUSE Tumbleweed environment. zypper ar https://download.opensuse.org/repositories/X11:/Cinnamon:/Next/openSUSE_Factory/ Cinnamon-Test zypper ref zypper in --allow-vendor-change cinnamon-control-center zypper mr -d Cinnamon-Test Thanks for your hard work on this, Andy! Looking forward to this update being pushed to the standard Tumbleweed OSS repo.