Apple has updated AirPort Extreme, introducing version 3.3.1 of its wireless networking software.

Brief accompanying notes to the release say: "AirPort Update improves the reliability of AirPort connections when changing network locations."

Apple recommends all users with an AirPort Extreme Base Station should install this 1MB update, which is available direct from Apple's site and also through Software Update.

It requires Mac OS X 10.3 or later and an AirPort Extreme-ready Mac.