Closed, this is a feature of OpenBox. When you set a background with an external helper, the glitches disappear.
I haven't used *box in many years. -- ♥Ⓐ ng0 -- https://www.inventati.org/patternsinthechaos/
- bug#25507: SDDM leaves drawing artifacts on screen with Ope... ng0
- bug#25507: SDDM leaves drawing artifacts on screen wit... Ricardo Wurmus
- bug#25507: Acknowledgement (SDDM leaves drawing artifa... ng0
