QSqlQuery (QMYSQL) cannot read valid datetime in multi rows result

int main(int argc, char **argv)
{
  QCoreApplication app{argc, argv};

  // setting database
  QSqlDatabase db = QSqlDatabase::database();
  db = QSqlDatabase::addDatabase("QMYSQL");
  db.setUserName("root");
  db.setPassword("root");
  db.open();

  // db & table
  QSqlQuery query_init{db};
  query_init.exec("DROP DATABASE IF EXISTS testing;");
  query_init.exec("CREATE DATABASE testing;");
  query_init.exec(
      "CREATE TABLE testing.DateBug ("
      "uuid CHAR(36) NOT NULL COMMENT '(DC2Type:guid)',"
      "deletedAt DATETIME(3) DEFAULT NULL,"
      "PRIMARY KEY (uuid)) ENGINE = `InnoDB` DEFAULT CHARSET = `utf8`;");

  // inserting with valid date
  QSqlQuery query_insert_with_date;
  query_insert_with_date.prepare("INSERT INTO testing.DateBug VALUES (?,?)");
  const QString uuid = QUuid::createUuid().toString(QUuid::WithoutBraces);
  query_insert_with_date.addBindValue(uuid);
  const QDateTime date = QDateTime::currentDateTime();
  qDebug() << date;
  query_insert_with_date.addBindValue(date);
  query_insert_with_date.exec();

  // inserting without date
  QSqlQuery query_insert_no_date;
  query_insert_no_date.prepare("INSERT INTO testing.DateBug VALUES (?, NULL)");
  query_insert_no_date.addBindValue(QUuid::createUuid().toString(QUuid::WithoutBraces));
  query_insert_no_date.exec();

  // retrieving one => Date always ok
  QSqlQuery query_select_one;
  query_select_one.prepare("SELECT * FROM testing.DateBug WHERE uuid = ?");
  query_select_one.addBindValue(uuid);
  query_select_one.exec();
  query_select_one.next();
  const auto uuid1 = query_select_one.value(0).toString();
  const auto date1 = query_select_one.value(1).toDateTime();
  qDebug() << uuid1 << ", " << date1;
  assert(date == date1); // Always valid

  // retrieving all => Date sometimes ok, sometimes Invalid
  QSqlQuery query_select_all;
  query_select_all.prepare("SELECT * FROM testing.DateBug");
  query_select_all.exec();
  query_select_all.next();
  const auto uuid2 = query_select_all.value(0).toString();
  const auto date2 = query_select_all.value(1).toDateTime();
  qDebug() << uuid2 << ", " << date2;
  if (uuid2 == uuid) assert(date == date2); // Can fail
  query_select_all.next();
  const auto uuid3 = query_select_all.value(0).toString();
  const auto date3 = query_select_all.value(1).toDateTime();
  qDebug() << uuid3 << ", " << date3;
  if (uuid3 == uuid) assert(date == date3); // Can fail
}