When having a custom QObject subclass the typeid is not known to QMetaType::type() in Qt 6.5.0 RC anymore unless something has fetched the typeid from a wrapped QVariant before.

The following code reproduces this (complete code is attached)

    CustomQObject customObject; // simple subclass from QObject, including a Q_OBJECT macro
    const QVariant customVariant = QVariant::fromValue(&customObject);
    assert(QMetaType::type("CustomQObject*") != 0); // fails on 6.5.0 RC, works on 6.4.0 and earlier
    assert(customVariant.userType() != 0);
    assert(QMetaType::type("CustomQObject*") != 0);

This is a problem for Squish when trying to find out if a referenced QVariant can be converted into such a custom type because Squish first asks the QMetaType registry about the custom type before extracting it from a QVariant. All of this has to be done using strings and integer type ids in Squish since it does not and cannot directly access the C++ types from the application it is testing.