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  1. Qt
  2. QTBUG-139718

[Reg 6.8.3->6.8.4] Transparent windows are rendered with a black background in full screen mode or while resizing.

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    • Windows
    • e413c726c (tqtc/lts-6.8)

      Transparent windows are rendered with a black background in full screen mode or while resizing.

      Reverting the patches for QTBUG-135859 resolves the issue in Qt 6.8.4.

      The issue does not occur in Qt 6.9.2.

      To reproduce the issue, run the attached example project.

        1. 6.8.3.png
          6.8.3.png
          261 kB
        2. 6.8.4.png
          6.8.4.png
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        3. QtBUG-139718.zip
          2 kB
        For Gerrit Dashboard: QTBUG-139718
        # Subject Branch Project Status CR V
        674168,3 qpa: Windows: Window initialization: Bring back applyBlurBehindWindow tqtc/lts-6.8 qt/tqtc-qtbase Status: MERGED +2 0

            owolff Oliver Wolff
            mahdi.belila Mehdi Belila
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              Created:
              Updated:
              Resolved:

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