TapHandler does not produce MouseButtonRelease event for target item

class EventSpy : public QObject
{
    Q_OBJECT

protected:
    bool eventFilter(QObject *watched, QEvent *event) override
    {
        auto result = QObject::eventFilter(watched, event);

        switch(event->type())
        {
        case QEvent::MouseButtonPress:
        case QEvent::MouseButtonRelease:
            qDebug() << watched << event->type() << static_cast<QMouseEvent*>(event)->pos();
            qDebug() << "\tResult:" << result;
            break;
        default:
            break;
        }
        return result;
    }
};

import QtQuick

Window {
    width: 640
    height: 480
    visible: true    

    Row {
        Rectangle {
            width: 100
            height: 100
            color: "cyan"

            MouseArea {
                anchors.fill: parent
                onClicked: console.log("Clicked cyan square")
            }
        }
        Rectangle {
            width: 100
            height: 100
            color: "green"

            TapHandler {
                onTapped: console.log("Tapped green square")
            }
        }
    }
}