Regression - QML State doesn't allow for Key.onPressed to work correctly

import QtQuick 2.0

Rectangle {
    id: mainRectangle
    width: 400
    height: 400

    Text {
        id: keyResultText
        anchors.top: parent
        anchors.horizontalCenter: parent.horizontalCenter
    }

    Rectangle {
        id: topRectangle

        anchors.centerIn: parent
        color: "lightgreen"
        width: 200
        height: 150

        Text {
            id: textId
            text: "Default State (Click to change)"
            anchors.centerIn: parent
        }

        MouseArea {
            id: stateChangeMouseArea
            anchors.fill: parent
            onClicked: {
                mainRectangle.state = "Awesome State 3000"
            }
        }
    }

    Rectangle {
        id: keyRectangle

        border.width: 1

        width: 200
        height: 100

        anchors.top: topRectangle.bottom
        anchors.horizontalCenter: topRectangle.horizontalCenter
        anchors.topMargin: 15

        focus: true

        Text {
            id: textId2
            text: "Press Enter"
        }

        Keys.onPressed: {
            if(event.key === Qt.Key_Return) {
                keyResultText.text = "Enter Pressed!"
            }
        }


    }

    states: [

        State {
            name: "Awesome State 3000"

            PropertyChanges {
                target: textId
                text: "Awesome State 3000 (Click to change)"
            }

            PropertyChanges {
                target: textId2
                text: "Press Space (This will error!)"
            }

            PropertyChanges {
                target: stateChangeMouseArea
                onClicked: {
                    mainRectangle.state = ""
                }
            }

            PropertyChanges {
                target: keyRectangle
                Keys.onPressed: {
                    if(event.key === Qt.Key_Space) {
                        keyResultText.text = "Enter Space!"
                    }
                }
            }

        }

    ]
}