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  1. Qt
  2. QTBUG-108351

REG[6.3->6.4]MDI application blinks when OpenGLWidget is added.

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    Description

      In an MDI application with an MDI area. When an MDI subwindow that contains OpenGL (QOpenGLWidget or QWebEngineView) is added, the application window briefly gets hidden and shown again, i.e., it "blinks".

      Attached example reproduces it.
      In the document Note does talks something similar
      https://doc.qt.io/qt-6/qopenglwidget.html#resource-initialization-and-cleanup

      If this is something not going to be fixed, then can there be any workaround?

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          is duplicated by

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-127885 Mainwindow blink with QOpenGLWidget

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              axelspoerl Axel Spoerl
              irfan.omair@digia.com Irfan Omair
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