https://bugs.kde.org/show_bug.cgi?id=423108

            Bug ID: 423108
           Summary: After the compositor is turned off then on (such as
                    after game) Latte-Dock has a double-blur effect
           Product: lattedock
           Version: 0.9.11
          Platform: Archlinux Packages
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: application
          Assignee: mvourla...@gmail.com
          Reporter: gregorystar...@gmail.com
  Target Milestone: ---

Created attachment 129451
  --> https://bugs.kde.org/attachment.cgi?id=129451&action=edit
This picture shows the broken double-blur effect.

SUMMARY
I have set it up to suspend compositor when games are running in Kwin settings.
Before I launch a game, the dock looks normal. After playing the game and then
closing it (and the compositor re-enabling) the dock has a weird 'double blur'
effect. In order to get rid of this effect i need to 

killall latte-dock
latte-dock &

This has occured with many games, though not uniformly when the compositor is
disabled (sometimes, the double blur glitch does not occur.)
It definitely occurs with Risk of Rain 2, Minecraft with Optifine, Doom 2016
and Doom Eternal, Ace Combat 7, and Space Engineers.

STEPS TO REPRODUCE
1. Observe dock
2. Launch a game with KWIN autosuspend compositor enabled.
3. Close Game
4. Observe dock

OBSERVED RESULT
Dock with weird double blur effect, attached screenshot will highlight.

EXPECTED RESULT
Normal-looking dock.

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: 
(available in About System)
KDE Plasma Version:  5.18.5
KDE Frameworks Version: 5.70.0
Qt Version: 5.15.0

ADDITIONAL INFORMATION

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