The contact thumbnail image that appears on the desktop notification when receiving a phone call shows the wrong image (actually the previous contact image) when the call is from an unknown number. STEPS TO REPRODUCE 1. Receive a call from a known contact 2. Receive a call from a unknown contact OBSERVED RESULT The contact image for the known contact is displayed on both when the call is from known contact as when for the unknown contact. The expectation is that the image display as blank or as an anonymous avatar image. EXPECTED RESULT SOFTWARE/OS VERSIONS Windows: macOS: Linux/KDE Plasma: (available in About System) KDE Plasma Version: KDE Frameworks Version: Qt Version: ADDITIONAL INFORMATION