September 2, 2025

UniFi OS – Dream Machines 4.3.6

Important Notes

UniFi OS 4.3.6 includes Alarm Manager for Network, Cloudflare Content Filtering and improvements and bugfixes listed below.

Bundled application

  • UniFi Network 9.2.87

Improvements

  • Added support for CNAME DNS Records.
    • Requires UniFi Network Application 9.3 or newer.
  • Added support for Alarm Manager.
    • Requires UniFi Network Application 9.3 or newer.
  • Added support for Enhanced Content Filtering with CyberSecure.
    • Requires UniFi Network Application 9.3 or newer.
    • Requires an active CyberSecure subscription for granular content categories powered by Cloudflare.
  • Added the ability to create a new user account while performing the ownership transfer.
  • Improved the Analytics and Data Sharing user experience.
    • Added the ability to completely turn off data sharing.
  • Improved Flows data accuracy.
    • Improved Hostname resolution.
    • Improved Incoming Interface listing for Threats.
  • Improved the Shadow Console resiliency.
  • Improved DDNS resiliency when a non-primary WAN is used.
  • Improved the Admins and Users management user experience.
  • Improved Remote Access connection resiliency.
  • Improved backup and restore resiliency, including better feedback when a restore fails.
  • Improved storage health reporting.
  • Updated Traffic Identification signatures.

Bugfixes

  • Fixed an issue where the Release channel could change unexpectedly.
  • Fixed an issue where transfer ownership could fail in rare cases.
  • Fixed an issue where local users didn’t receive email notifications using a custom SMTP server.
  • Fixed an issue where you couldn’t configure SNMP Location and Contact separately; both were required.
  • Fixed an issue where users would be required to re-login every hour locally.
  • Fixed an issue where the “Plug in Internet Cable” could be shown in rare cases.
  • Fixed routing issues when the same subnets are configured on multiple IPsec VPNs.