qml in Android 6.0, when set Text's font.italic is true, Chinese become garbled, but under android 6.0, its show normal

qml in Android 6.0, when set Text's font.italic is true, Chinese become garbled, but under android 6.0, its show normal.

    Text {
        text: qsTr("Hello World! 你好")
        font.italic: true
        anchors.centerIn: parent
    }

Edit: This is also reported to be an issue with Japanese, Arabic, Hebrew too under the same circumstances.