Complex sentence: Both ports have been declared "official" by Patrick Volkerding, but the S/390 port is still at version 10.0 for the stable version and 11.0 for the testing/developmental version, and has had no updates since 2009.
Split into simpler sentences: Both ports have been declared "official" by Patrick Volkerding,. However, the S/390 port is still at version 10.0 for the stable version and 11.0 for the testing/developmental version, and has had no updates since 2009.