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Bug
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Resolution: Done
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P3: Somewhat important
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5.12.0
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Windows 10
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3b38c73c7ffa71c00c172cf0e05742835a304300 (qt/qtbase/dev), ad264fec1 (dev), 3d2596dd4 (6.8)
QAbstractEventDispatcher::nativeEventFilter and similar should use a long long pointer for the result. This is because LRESULT, on a 64bit system, is actually int_64 (aka LONG_PTR) so if you are casting to a LRESULT then it can end up causing problems.