- 
    
Bug
 - 
    Resolution: Out of scope
 - 
    
P3: Somewhat important
 - 
    None
 - 
    6.5
 
Apply the following patch to qtdeclarative:
diff --git a/tests/manual/quickcontrols2/testbench/ControlContainer.qml b/tests/manual/quickcontrols2/testbench/ControlContainer.qml
index 34688fb7dd..08d8190eed 100644
--- a/tests/manual/quickcontrols2/testbench/ControlContainer.qml
+++ b/tests/manual/quickcontrols2/testbench/ControlContainer.qml
@@ -8,6 +8,7 @@ Item {
 
     implicitWidth: delegate.implicitWidth
     implicitHeight: delegate.implicitHeight
+    enabled: false
 
     property var controlMetaObject
     property var states
Then, run the test with QT_QUICK_CONTROLS_STYLE=Imagine and quickly move the mouse over the flat Buttons. The application should freeze while doing this.
I don't have a release build handy, but for what it's worth, this is where Instruments shows the majority of the time being spent: