Apple today released AirPort 4.1 for Mac OS X 10.3 (Panther). According to the release notes, the update provides “improved AirPort wireless networking software, and is recommended for all users with an AirPort Extreme and AirPort enabled computer or an AirPort Extreme or an AirPort Express base station.” New features include support for the Keyspan Express Remote for use with AirTunes (AirPort Express only), support for WPA security on WDS networks, and the ability to rename a USB printer connected to a base station.