Apple has released a new update for the AirPort Utility for Macs, fixing an issue that occurred with 802.11n and 802.11ac-capable Macs.
Thursday's update brings the AirPort Utility to version 6.3.1 and has a download ID of DL1664. The update resolves an issue where AirPort base stations may not appear in AirPort Utility.
The update is available for download from Apple's Support page. The 21.44MB download requires a Mac running OS X 10.7.5 or later or 10.8.3 or later.