https://bugs.kde.org/show_bug.cgi?id=445968

            Bug ID: 445968
           Summary: Krita flashes bright white pages when I launch the
                    program and open various dialog boxes.
           Product: krita
           Version: 4.4.8
          Platform: Microsoft Windows
                OS: Microsoft Windows
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: Usability
          Assignee: krita-bugs-n...@kde.org
          Reporter: hondatohru...@gmail.com
  Target Milestone: ---

Created attachment 143862
  --> https://bugs.kde.org/attachment.cgi?id=143862&action=edit
The video file demonstrates Krita flashing a white page when I launch the
program and open dialog boxes.

SUMMARY
Krita flashes bright white pages when I launch the program and open various
dialog boxes, straining my eyes, contributing to other health-related issues.

STEPS TO REPRODUCE
1. Launch Krita or open various dialog boxes. You may need to pay close
attention because the white page is sometimes so fast that it is hardly
noticeable.

OBSERVED RESULT
Krita flashes a bright white page.

EXPECTED RESULT
I expected smooth GUI animations without any flashes.

SOFTWARE/OS VERSIONS
Windows: Windows 10 20H2 (up to date) 64-bit

ADDITIONAL INFORMATION
This problem occurs in other Windows software (but not their Linux
counterparts), e.g., Shotcut. The lead developer of Shotcut determined the
problem is related to Qt behavior and slated a workaround for version 21.11.
Since that version is not yet available, I am unsure how well the workaround
works in practice, but it involves adjusting the window opacity. See the GitHub
link for details.

https://github.com/mltframework/shotcut/issues/1168

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