QT 6.5.2中ArrayBuffer转QByteArray失败问题求助

各位大佬好，我最近碰到一个头疼的问题：我在项目里尝试把QML中的ArrayBuffer传递给C++处理函数，转换成QByteArray使用。这个逻辑在Qt 6.5.1里运行完全正常，但升级到6.5.2之后就突然失效了。

下面是我的代码片段，麻烦帮忙排查一下：

main.cpp #

#include <QGuiApplication>
#include <QQmlApplicationEngine>
#include <QQuickItem>
#include "ComboBoxHandler.h"

int main(int argc, char *argv[])
{
    QGuiApplication app(argc, argv);

    // register the class with the QML engine
    auto handler = new ComboBoxHandler();
    qmlRegisterSingletonInstance("ComboBoxHandler", 1, 0, "ComboBoxHandler", handler);

    QQmlApplicationEngine engine;
    QObject::connect(&engine, &QQmlApplicationEngine::objectCreationFailed,
                     &app, []() { QCoreApplication::exit(-1); },
                     Qt::QueuedConnection);
    const QUrl url(u"qrc:/TestBench/main.qml"_qs);
    engine.load(url);

    return app.exec();
}

main.qml #

import QtQuick
import QtQuick.Window
import QtQuick.Controls
import ComboBoxHandler

ApplicationWindow
{
    id: mainWindow
    width: 600
    height: 400
    visible: true

    Button {
        text: "test"
        onClicked: {
            // fill in some data into the ArrayBuffer
            let data = [];
            for (let i = 0; i < 10; ++i) {
                data.push(i);
            }
            // send ArrayBuffer to handler
            ComboBoxHandler.onItemChanged(data)
        }
    }
}

ComboBoxHandler.h #

#pragma once

#include <QObject>
#include <QDebug>

class ComboBoxHandler: public QObject {
    Q_OBJECT

public slots:
    void onItemChanged(const QByteArray& newValue) {
        // I would expect the data here.
        // works in QT 6.5.1 and stopped working in 6.5.2
        qDebug() << "Value: " << newValue;
    }
};

想请教大家几个问题：

• 有没有人能确认这个问题在Qt 6.5.2里确实存在？
• 有没有大佬知道解决办法或者临时的workaround？
• 这会不会是Qt的一个回归bug？

备注：内容来源于stack exchange，提问作者Jürgen Lutz