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    Bug 
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    Resolution: Unresolved
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    P2: Important 
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    None
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    5.14.2, 5.15.1, 5.15.2, 6.0.0, 6.1.0, 6.2.4, 6.6.3, 6.7
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    None
Having called show for a Qt3DWindow the behavior of a QColorDialog is seriously slowed down. Same for a QFileDialog.
The attached project is an adapted version of an example-project, showing the bug.