diff --git a/src/gui/platform/darwin/qmetallayer.mm b/src/gui/platform/darwin/qmetallayer.mm
index e8a27a7b067..082bde95b5b 100644
--- a/src/gui/platform/darwin/qmetallayer.mm
+++ b/src/gui/platform/darwin/qmetallayer.mm
@@ -62,10 +62,14 @@ QT_USE_NAMESPACE
 
 - (id<CAMetalDrawable>)nextDrawable
 {
-    // Drop the presentation block early, so that if the main thread for
-    // some reason doesn't handle the presentation, the block won't hold on
-    // to a drawable unnecessarily.
-    self.mainThreadPresentation = nil;
+    {
+        // Drop the presentation block early, so that if the main thread for
+        // some reason doesn't handle the presentation, the block won't hold on
+        // to a drawable unnecessarily.
+        QMacAutoReleasePool pool;
+        self.mainThreadPresentation = nil;
+    }
+
     return [super nextDrawable];
 }
 
diff --git a/src/plugins/platforms/cocoa/qnsview_drawing.mm b/src/plugins/platforms/cocoa/qnsview_drawing.mm
index c903bcd5359..51e6a19c488 100644
--- a/src/plugins/platforms/cocoa/qnsview_drawing.mm
+++ b/src/plugins/platforms/cocoa/qnsview_drawing.mm
@@ -245,11 +245,22 @@
 
         handleExposeEvent();
 
-        // If the expose event resulted in a secondary thread requesting that its
-        // drawable should be presented on the main thread with transaction, do so.
-        if (auto mainThreadPresentation = qtMetalLayer.mainThreadPresentation) {
-            mainThreadPresentation();
-            qtMetalLayer.mainThreadPresentation = nil;
+        {
+            // Clearing the mainThreadPresentation below will auto-release the
+            // block held by the property, which in turn holds on to drawables,
+            // so we want to clean up as soon as possible, to prevent stalling
+            // when requesting new drawables. But merely referencing the block
+            // below for the nil-check will make another auto-released copy of
+            // the block, so the scope of the auto-release pool needs to include
+            // that check as well.
+            QMacAutoReleasePool pool;
+
+            // If the expose event resulted in a secondary thread requesting that its
+            // drawable should be presented on the main thread with transaction, do so.
+            if (auto mainThreadPresentation = qtMetalLayer.mainThreadPresentation) {
+                mainThreadPresentation();
+                qtMetalLayer.mainThreadPresentation = nil;
+            }
         }
 
         qtMetalLayer.presentsWithTransaction = presentedWithTransaction;