Today Apple has released firmware 7.6.7 for all of its 802.11n AirPort Base Stations. This includes the AirPort Express, AirPort Extreme, and AirPort Time Capsule. Per Apple’s release notes, this update simply improves stability and performance for its AirPort Base Stations.
– Fixes an issue which may prevent communication between clients on the same network
– Improves performance with an extended guest network
– Addresses potential naming conflicts with Bonjour Sleep Proxy
Apple has also released firmware 7.7.7 for the 802.11ac AirPort Extreme, and AirPort Time Capsule.
The update can be applied via the AirPort Utility app on iOS or OS X.