QFileDialog selectedFiles() not updated when currentChanged signal is emitted

class MyDialog : public QFileDialog
{
public:
    MyDialog(QWidget* parent = nullptr) : QFileDialog(parent)
    {
        setAcceptMode(QFileDialog::AcceptOpen);
        setFileMode(QFileDialog::ExistingFiles);
        setOption(QFileDialog::DontUseNativeDialog);        
        std::cerr << "MyDialog created" << std::endl;            
        connect(
                this, &QFileDialog::currentChanged, [&](const QString&) {                          
                    QStringList files = selectedFiles();             
                    std::cerr << "Selected files: " << std::endl;
                    for (const QString& file : files) {
                        std::cerr << file.toStdString() << std::endl;
                    }
        });
    }
};