Rectangle dragged disappears on the Mac if Drag.dragType is set to Drag.Automatic

import QtQuick 2.5
import QtQuick.Window 2.2

Window {
  visible: true

  width: 100
  height: 200

  ListModel {
    id: testModel
    ListElement { name: "red";   value: "#f00" }
    ListElement { name: "green"; value: "#0f0" }
    ListElement { name: "blue";  value: "#00f" }
  }

  Component {
    id: rect
    Rectangle {

      Drag.active: mouseArea.drag.active
      Drag.hotSpot.x: width / 2
      Drag.hotSpot.y: height / 2
      //Drag.dragType: Drag.Automatic

      Drag.onActiveChanged: {
        console.log("Active changed..")
      }

      Drag.onDragStarted: {
        console.log("Drag started..")
      }

      Drag.onDragFinished: {
        console.log("Drag finished!")
      }

      MouseArea {
        id: mouseArea

        anchors.fill: parent
        hoverEnabled: true
        drag.target: parent

        drag.onActiveChanged: {
          console.log("Drag prop became active..")
        }

        onClicked: {
          colorButtonClicked(buttonName, buttonColor);
        }
      }

      width: 80
      height: 20
      radius: 6
      color: model.value
    }
  }

  Column {
    spacing: 3
    anchors.centerIn: parent
    Repeater {
      model: testModel
      delegate: rect
    }
  }
}