UPDATE(two):
The updates are back on Apple Support Downloads page.
UPDATE(one):
The updates were pulled off Apple site. No explanation provided. The links below might not work anymore.
The Update is still available through Software Update.
Apple releases Airport Utility 5.3.1 for Mac OS X Leopard, Tiger, and Windows XP/Vista.
AirPort Utility 5.3.1 – Tiger 9.33MB | Leopard 8.8MB | Windows 10.28MB
The AirPort Base Station Update 2008-001 includes general fixes and compatibility updates for the following applications:
- AirPort Utility
- AirPort Disk Utility
- AirPort Base Station Agent
AirPort Utility 5.3.1 supports the following products:
- AirPort Express Base Station
- AirPort Extreme Base Station
- Time Capsule