STEPS TO REPRODUCE
1. Add a widget
2. Move the widget around
The faster you go the less frames are drawn, up to the point where plasmashell crashes.
Widgets should be movable smoothly and shouldn't cause crashes.
(available in About System)
KDE Plasma Version: 5.14.1
KDE Frameworks Version: 5.51
Qt Version: 5.12-beta2
"The Wayland connection broke. Did the Wayland compositor die?"
GPU: Intel HD 4400
Maybe someone notices something on this video: https://gfycat.com/ElegantCarelessAmurratsnake
Doesn't seem to happen anymore.