[Reg 6.3 -> 6.4] Cannot assign QVariantList to lists of other value types anymore in QML

#include <qqml.h>
class CppObj : public QObject
{
    Q_OBJECT
    QML_ELEMENT
    QML_SINGLETON
    Q_PROPERTY(QVariantList varList READ varList NOTIFY varListChanged)
public:
    explicit CppObj(QObject *parent = nullptr) : QObject(parent) {}
    QVariantList varList() const { return {1.1, 2.2, 3.3}; }
signals:
    void varListChanged();
};

import QtQuick
import QtQuick.Shapes
import MyTest
Window {
    width: 640
    height: 480
    visible: true
    ShapePath {
        id: path
        dashPattern: CppObj.varList
    }
    Component.onCompleted: {
        console.log("Source list:", CppObj.varList)
        console.log("Target list:", path.dashPattern)
    }
}

qrc:/MyTest/main.qml:12:3: Unable to assign QVariantList to QList<double>