AirPort Base Station Firmware Update 7.7.8
Apple released AirPort Base Station Firmware Update 7.7.8 on Tuesday. The update fixes an issue that caused some AirPort Base Stations to disappear from AirPort Utility when Find My Mac is on. It’s specifically for AirPort Extreme and AirPort Time Capsule base stations with 802.11ac.
Apple’s patch notes in full:
“Firmware update 7.7.8 is recommended for all AirPort Extreme and AirPort Time Capsule base stations with 802.11ac. This update addresses an issue that may prevent AirPort base stations from appearing in AirPort Utility when Back to My Mac is enabled.”