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Bug
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    Resolution: Done
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P1: Critical
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    5.12.0 RC2, 5.15.0
 
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        f2f67a0991cc98e816dca7e612c707e355ce9920 (qt/tqtc-qtbase/tqtc/lts-5.15)
 
This is a follow up of QTBUG-71099. I've created a minimum playground which shows side effects when using DragShadow in a WebAssembly application.
Problem:
The ListView contains styled items with borders. These borders are not visible in the WebAssembly target. Removing the DragShadow from the FooterButton makes them visible.
Code is here: