https://bugs.kde.org/show_bug.cgi?id=507208

            Bug ID: 507208
           Summary: Krohnkite Kwin script and Squash window minimize
                    effect causes some areas of windows to not paint
    Classification: Plasma
           Product: kwin
      Version First 6.4.2
       Reported In:
          Platform: NixOS
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: effects-present-windows
          Assignee: [email protected]
          Reporter: [email protected]
  Target Milestone: ---

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SUMMARY

Krohnkite 0.9.9.1: https://github.com/anametologin/krohnkite

When using Krohnkite for auto tiling, and the window size changes between
before minimizing and unminimizing, the window doesn't draw correctly with
parts missing

STEPS TO REPRODUCE
1. Enable Krohnkite with a tiling layout
2. Enable Animations (set to not "Instant"), set "Window minimize" to "Squash"
3. Start two windows. They should be tiled. Let's call them A and B
arbitrarily.
4. Minimize A, B should expand to fill the screen
5. Minimize B
6. Unminimize A, it should expand to fill the screen

This can be reproduced with random applications like Konsole, Dolphin, Visual
Studio Code.

OBSERVED RESULT

The window A appears normally

EXPECTED RESULT

Parts of the window are not drawn or flickering

SOFTWARE/OS VERSIONS
Windows: 
macOS: 
(available in the Info Center app, or by running `kinfo` in a terminal window)
Operating System: NixOS 25.11
KDE Plasma Version: 6.4.2
KDE Frameworks Version: 6.16.0
Qt Version: 6.9.1

ADDITIONAL INFORMATION

I can't screenshot this because that seems to force the windows to draw
properly, but this reproduction steps works all the time for me.

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