SUMMARY Kmail hides other messages on pressing Del (or Move to Trash) on single message in message list STEPS TO REPRODUCE 1. Select message among others 2. Press Del to put it in Trash 3. All other messages become hidden. Need to change folder and return back to have the the rest of messages visible again. OBSERVED RESULT Messages become invisible after pressing Del on one of them EXPECTED RESULT Deleted message disappears from list, the rest is still visible. SOFTWARE/OS VERSIONS Linux/KDE Plasma: Kubuntu 19.10 Eoan (available in About System) KDE Plasma Version: 5.18.2 KDE Frameworks Version: 5.67.0 Qt Version: 5.12.4