October 6, 2025

UniFi OS – Cloud Keys 4.4.2

Important Notes

UniFi OS 4.4.2 includes the improvements and bugfix listed below.

Available Applications for the UCK-G2-Plus

  • UniFi Network 9.4.19
  • UniFi Protect
  • UniFi Identity Enterprise
  • UniFi InnerSpace
  • UniFi Talk
  • UniFi Access
  • UniFi Connect

Available Applications for the UCK-G2 and UCK-Enterprise

  • UniFi Network 9.4.19
  • UniFi Identity Enterprise
  • UniFi InnerSpace

Improvements

  • Added support for IPv6 in the Direct Connect feature.
  • Added automatic IP-address renewal to ensure seamless connectivity when the DHCP subnet changes.
  • Improved Alarm Manager.
  • Improved disk recognition to prevent certain HDDs from being misidentified as an SSD when they fail to report RPM via S.M.A.R.T.
  • Improved storage mounting resiliency.

Bugfixes

  • Fixed an issue where local accounts didn’t receive email notifications.