ApplicationWindow doesn't respect its maximumWidth/Height

import QtQuick 2.5
import QtQuick.Controls 2.0
import QtQuick.Layouts 1.1

ApplicationWindow {
    visible: true
    width: 500
    height: 500
    maximumWidth: 500
    maximumHeight: 500

    RowLayout {
        width: parent.width
        height: 100
        anchors.verticalCenter: parent.verticalCenter

        Text {
            id: a
            text: "Normal text"
            fontSizeMode: Text.Fit
            font.pixelSize: 100
            verticalAlignment: Text.AlignBottom
            Layout.preferredWidth: parent.width / 2
            Layout.fillHeight: true

            Rectangle {
                anchors.fill: parent
                color: "transparent"
                border.color: "black"
            }
        }

        Text {
            id: b
            text: "More text"
            verticalAlignment: Text.AlignBottom
            minimumPixelSize: 51
            font.pixelSize: a.font.pixelSize
            Layout.fillWidth: true
            Layout.fillHeight: true

            Rectangle {
                anchors.fill: parent
                color: "transparent"
                border.color: "black"
            }
        }

        Text {
            id: c
            text: "Even more text"
            verticalAlignment: Text.AlignBottom
            minimumPixelSize: 51
            fontSizeMode: Text.Fit
            font.pixelSize: a.font.pixelSize
            Layout.fillWidth: true
            Layout.fillHeight: true

            Rectangle {
                anchors.fill: parent
                color: "transparent"
                border.color: "black"
            }
        }
    }
}