MediaPlayer: error, errorString property changes are not notified

import QtQuick
import QtQuick.Window
import QtQuick.Layouts
import QtQuick.Controls
import QtQuick.Dialogs
import QtMultimedia

Window {
    width: 640
    height: 480
    visible: true

    FileDialog {
        id: fileDialog
        onAccepted: {
            console.log('Error before play: ' + video.error + ' (' + video.errorString + ')' )
            video.source = fileDialog.selectedFile
            video.play()
            console.log('Error after play: ' + video.error + ' (' + video.errorString + ')' )
        }
    }

    ColumnLayout {
        anchors.fill: parent
        Button {
            text: 'Open video'
            onClicked: fileDialog.open()
        }
        Video {
            id: video
            Layout.fillWidth: true
            Layout.fillHeight: true
            source: 'file:some_not_existent_video.mp4'
            onErrorChanged: console.log('Error changed: ' + error + ' (' + errorString + ')' )
        }
        Text {
            Layout.fillWidth: true
            text: 'Playback error: ' + video.error + ' (' + video.errorString + ')'
        }
    }
}