In addition to releasing Mac OS X 10.5.4, Apple updated its AirPort Utility software and Firmware for the AirPort wireless base stations.
AirPort Utility 5.3.2 includes “general fixes and compatibility updates,” according to notes provided with the update. The Firmware is compatible with Time Capsule, AirPort Extreme and AirPort Express with 802.11n.
Firmware 7.3.2 includes “bug fixes” according to Apple.
There are three updates available – one for Leopard, another for Tiger and a third for Windows.