It's been almost 2 hours and no crashing since disabling "Notifications". If it's not the "Notifications" widget embedded in the "System Tray" widget, then it appears that it has something to do with how plasma-desktop handles that widget.
It's been almost 2 hours and no crashing since disabling "Notifications". If it's not the "Notifications" widget embedded in the "System Tray" widget, then it appears that it has something to do with how plasma-desktop handles that widget.