August 1, 2023

UniFi OS – Dream Machines 4.2.12

Overview

UniFi OS 4.2.12 adds support for Traffic Flows, Advanced mDNS options and includes the improvements and fixes listed below.

Bundled application

Improvements

  • [UDM-Pro/UDM-SE/UDM-Pro-Max] Added support for Traffic Flows.
    • Requires UniFi Network Application 9.1 or newer.
  • Added the ability to generate specific support files.
  • Added support for configuring different release channels per application.
  • Added support for Hotspot Portal Certificates.
    • Required Network Application 9.1 or newer.
  • Added advanced options for mDNS.
    • Required Network Application 9.1 or newer.
  • Added support for SIEM Server integration.
  • Improved WireGuard VPN stability.
  • Improved BGP resiliency.
  • Improved SFP speed detection.
  • Improved the backup and restore user experience.
  • Improved System Logs.
  • Improved storage resiliency and reporting.
  • Improved system stability.
  • Improved static WAN failover resiliency.
  • Improved DHCPv6 WAN stability.
  • Improved DS-Lite compatibility.
  • Improved Shadow Mode resiliency.
  • [UDM] Improved WiFi connection stability.
  • [UDM] Improved WiFi configuration resiliency after radar detections.
  • [UDM-Pro-Max] Improved Samsung SSD compatibility.

Bugfixes

  • Fixed rare gateway configuration errors.
  • Fixed an issue where Policy-Based Routing could stop working in rare cases.
  • Fixed an issue where you could receive false-positive DHCP exhaustion alerts.