Method replies and signals are not received on replica side in the same order as created on source side.

Consider this code on source:

int foo()
{
    QTimer::singleShot(0, this, [this]() { emit someSignal(); });
    return 10;
}

when calling foo() on replica, this is the result:

// someSignal() emitted
// foo() returns 10

but it should be

// foo() returns 10
// someSignal() emitted

since the foo() returns before the signal is emitted.