WinRT QUdpSocket readyRead misfire

    // receiver
    auto receiver = new QUdpSocket(&app);
    if (!receiver->bind()) {
        qFatal("bind() failed");
    }
    auto localPort = receiver->localPort();
    QObject::connect(receiver,&QUdpSocket::readyRead, receiver, [receiver]() {
        int count = 0;
        while (receiver->hasPendingDatagrams()) {
            QByteArray data(receiver->pendingDatagramSize(), Qt::Uninitialized);
            receiver->readDatagram(data.data(), data.size());
            ++count;
        }
        qDebug("received %d datagrams", count);
    });

    // sender
    auto sender = new QUdpSocket(&app);
    auto timer = new QTimer(&app);
    timer->setInterval(1000);
    timer->setSingleShot(false);
    QObject::connect(timer, &QTimer::timeout, sender, [sender,localPort]() {
        static int burstSize = 1;
        qDebug("sending %d datagram burst", burstSize);
        for (int i=0; i<burstSize; ++i) {
            sender->writeDatagram({},QHostAddress::LocalHost, localPort);
        }
        burstSize = qMin(burstSize+1,3);
    });
    timer->start();

sending 1 datagram burst
received 1 datagrams
sending 2 datagram burst
received 2 datagrams
received 0 datagrams         < false readyRead
sending 3 datagram burst
sending 3 datagram burst
sending 3 datagram burst
...

sending 1 datagram burst
received 1 datagrams
sending 2 datagram burst
received 2 datagrams
sending 3 datagram burst
received 3 datagrams
sending 3 datagram burst
received 3 datagrams
sending 3 datagram burst
received 3 datagrams
...

        while (receiver->hasPendingDatagrams()) {
            QByteArray data(receiver->pendingDatagramSize(), Qt::Uninitialized);
            receiver->readDatagram(data.data(), data.size());
            // ...
#ifdef Q_OS_WINRT
            break; // we'll get multiple readReady signals use those to avoid indefinitely stop future readyReads
#endif
        }