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Bug
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    Resolution: Fixed
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P2: Important
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    6.2.4
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    None
 
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        851dc581cf (qt/qtbase/dev) f37df6f3a8 (qt/qtbase/6.3) 5e91d81180 (qt/qtbase/6.2)
 
This is a continuation of QTBUG-97533 which was closed in October.
I'm a QT licensee. One of my customers has reported this problem on a three monitor PC, for an app built with Qt 6.2.4. See attached photo IMG_2807.JPG.
(The same app built with QT 5.15.5 works correctly.)
One possible clue in addition to QTBUG-97533. My customer is running 2 monitors on internal graphics and 1 monitor on a USB-3 display interface. Maybe when multiple video cards are in use, Qt6 is loosing track of where to put things?
I have asked the customer to disconnect the USB-3 interface and test again.