Apple AirPort Utility Changelog
What's new in Apple AirPort Utility 5.6.1.2
Jun 12, 2012- Allows you to configure and manage the new AirPort Express with simultaneous dual band 802.11n.
New in Apple AirPort Utility 5.5.3.2 (Jun 15, 2011)
- Resolves an issue that caused the AirPort Utility to unexpectedly quit during setup
New in Apple AirPort Utility 5.5.1.17 (Apr 1, 2010)
- AirPort Utility 5.5.1 includes general bug fixes and addresses the following issues:
- Not importing all settings when importing a configuration.
- Not propagating MAC address control lists when using an extended network.