diff --git a/src/plugins/platforms/cocoa/qcocoawindow.h b/src/plugins/platforms/cocoa/qcocoawindow.h
index a2fbbc3f200..765b7e6619f 100644
--- a/src/plugins/platforms/cocoa/qcocoawindow.h
+++ b/src/plugins/platforms/cocoa/qcocoawindow.h
@@ -247,6 +247,8 @@ public: // for QNSView
     int m_registerTouchCount = 0;
     bool m_resizableTransientParent = false;
 
+    QMacKeyValueObserver m_safeAreaInsetsObserver;
+    void updateSafeAreaMarginsIfNeeded();
     QMargins m_lastReportedSafeAreaMargins;
 
     static const int NoAlertRequest;
diff --git a/src/plugins/platforms/cocoa/qcocoawindow.mm b/src/plugins/platforms/cocoa/qcocoawindow.mm
index 8904570e558..8bcc200b57c 100644
--- a/src/plugins/platforms/cocoa/qcocoawindow.mm
+++ b/src/plugins/platforms/cocoa/qcocoawindow.mm
@@ -132,6 +132,15 @@ void QCocoaWindow::initialize()
 
         setMask(QHighDpi::toNativeLocalRegion(window()->mask(), window()));
 
+        m_safeAreaInsetsObserver = QMacKeyValueObserver(
+            m_view, @"safeAreaInsets", [this] {
+                // Defer to next runloop pass, so that any changes to the
+                // margins during resizing have settled down.
+                QMetaObject::invokeMethod(this, [this]{
+                    updateSafeAreaMarginsIfNeeded();
+                }, Qt::QueuedConnection);
+            }, NSKeyValueObservingOptionNew);
+
     } else {
         // Pick up essential foreign window state
         QPlatformWindow::setGeometry(QRectF::fromCGRect(m_view.frame).toRect());
@@ -152,6 +161,8 @@ QCocoaWindow::~QCocoaWindow()
     [m_nsWindow makeFirstResponder:nil];
     [m_nsWindow setContentView:nil];
 
+    m_safeAreaInsetsObserver = {};
+
     // Remove from superview only if we have a Qt window parent,
     // as we don't want to affect window container foreign windows.
     if (QPlatformWindow::parent())
@@ -346,6 +357,14 @@ QMargins QCocoaWindow::safeAreaMargins() const
     return (screenSafeAreaMargins | viewSafeAreaMargins).toMargins();
 }
 
+void QCocoaWindow::updateSafeAreaMarginsIfNeeded()
+{
+    if (safeAreaMargins() != m_lastReportedSafeAreaMargins) {
+        m_lastReportedSafeAreaMargins = safeAreaMargins();
+        QWindowSystemInterface::handleSafeAreaMarginsChanged(window());
+    }
+}
+
 bool QCocoaWindow::startSystemMove()
 {
     switch (NSApp.currentEvent.type) {
@@ -1521,10 +1540,7 @@ void QCocoaWindow::handleGeometryChange()
     QWindowSystemInterface::handleGeometryChange(window(), newGeometry);
 
     // Changing the window geometry may affect the safe area margins
-    if (safeAreaMargins() != m_lastReportedSafeAreaMargins) {
-        m_lastReportedSafeAreaMargins = safeAreaMargins();
-        QWindowSystemInterface::handleSafeAreaMarginsChanged(window());
-    }
+    updateSafeAreaMarginsIfNeeded();
 
     // Guard against processing window system events during QWindow::setGeometry
     // calls, which Qt and Qt applications do not expect.