UniFi OS 6.0.17 includes the improvements and bugfixes below.

Bundled

• UniFi Protect 7.3.70

• Identity Sync Service 1.8.8

Improvements

• Improved reporting to Site Manager.

• Improved RAID bad-block warnings with guidance to run a scrub and back up data if bad blocks remain.

• Improved device stability.

• Revoked compromised eMudhra CA certificates.

Bugfixes

• Fixed the security vulnerability tracked as CVE-2026-98432.

• Fixed a compatibility issue with 4Kn disks.

• Fixed an issue where Add New Person could become unresponsive when Remote Access was disabled.

• Fixed an issue where device lists could fail to synchronize with the cloud on consoles managing large numbers of devices.

• Fixed an issue where console configurations could fail to synchronize with Fabric after switching organizations.

• Fixed an issue where application updates could install a different version than the one displayed as available.

• [ENVR-Core] Fixed a storage latency issue on large-scale setups.

UniFi OS 6.0.11 includes the improvements and bugfixes below.

Bundled

• UniFi Protect 7.2.105
• Identity Sync Service 1.8.5

Improvements

• Added on-demand file system repair for RAID-managed multi-drive storage when file system errors are detected.
• Added configurable backup schedules, multiple backup destinations, local backup management, and an improved restore experience.
• Added a configurable session duration for Remember Me in Local Login.
• Added Console resource reporting to Control Plane settings.
• Added per-port FEC configuration for supported SFP28 ports.
• Added support for internationalized domain names in automatic certificates.
• Added application update guidance when an adopted device requires a newer application version.
• Added a manual override for device upgrades, reboots, and resets during critical operations.
• Improved ownership transfers with a clearer pending status.
• Transfers to UI Accounts now complete after the recipient accepts the invitation.
• Improved storage reliability and resiliency.
• Improved application installation resiliency.
• Improved LAG reliability.
• Improved system reliability.
• Improved UniFi OS backup restore reliability.
• Improved application update behavior after firmware updates by only updating applications with auto-update enabled.
• Improved Bluetooth reliability during setup.
• Improved Application Rollback resiliency.
• Improved RAID initialization and management, including the ability to reformat uninitialized arrays.
• Improved time synchronization resiliency.
• Improved authentication reliability during two-factor challenges.
• Upgraded the Debian distribution to Trixie.
• [ENVR-Core] Improved pairing reliability with Enterprise Storage Expansion.

Bugfixes

• Fixed a rare issue where the fallback IP was not removed after the uplink DHCP server became available again.
• Fixed an issue where a false Storage Failed alarm could appear during RAID expansion.
• Fixed incorrect auto-negotiation information for aggregated ports.
• Fixed Alarm Manager emails for local administrators when Remote Access is disabled.

UniFi OS 5.1.33 includes the improvements and bugfixes below.

Bundled

• UniFi Protect 7.1.87
• Identity Sync Service 1.8.4

Bugfixes

• Fixed an issue where applications could fail to install or update.

UniFi OS 5.1.31 includes the improvements and bugfixes below.

Bundled

• UniFi Protect 7.1.87
• Identity Sync Service 1.8.4

Improvements

• Improved device stability.

Bugfixes

• Fixed the security issues mentioned in Security Advisory Bulletin 067.

UniFi OS 5.1.30 includes the improvements and bugfixes below.

Bundled

• UniFi Protect 7.1.87
• Identity Sync Service 1.8.3

Improvements

• Improved device stability.

UniFi OS 5.1.27 includes the improvements and bugfixes below.

Bundled Application

• UniFi Protect 7.1.87

Improvements

• Improved device stability.

UniFi OS 5.1.25 includes the improvements and bugfixes below.

Bundled Application

• UniFi Protect 7.1.87

Improvements

• Improved device stability.

Bugfixes

• Fixed an issue where the Access application would start when starting the Protect application.

UniFi OS 5.1.21 includes the improvements and bugfixes below.

Bundled Application

• UniFi Protect 7.1.83

Improvements

• Improved system stability.

Bugfixes

• Fixed an issue where "Remember Me" local login sessions expired sooner than expected following recent security updates.
• "Remember Me" sessions now remain active for up to 30 days. Re-authentication is still required after UniFi OS upgrades and console reboots.
• For the best authentication experience, use the UniFi Mobile App or unifi.ui.com.

UniFi OS 5.1.19 includes the improvements and bugfixes below.

Bundled Application

• UniFi Protect 7.1.77

Improvements

• Improved backup restore resiliency.

Bugfixes

• Fixed the security issues mentioned in Security Advisory Bulletin 066.

UniFi OS 5.1.15 includes the improvements and bugfixes below.

Bundled Application

• UniFi Protect 7.1.75

Improvements

• Improved system stability.

Bugfixes

• Fixed the security issues mentioned in Security Advisory Bulletin 065.

UniFi OS 5.1.12 includes the improvements and bugfixes below.

Bundled Application

• UniFi Protect 7.0.107

Improvements

• Improved system stability.

Bugfixes

• Fixed the security issues mentioned in Security Advisory Bulletin 064.

UniFi OS 5.1.11 includes the improvements and bugfixes below.

Bundled Application

• UniFi Protect 7.0.107

Improvements

• Added support for RAID scrubbing.
• Added support for the UniFi Connect application.
• Added the ability to revert applications and restore configuration backups.
• Added a fallback IP mechanism for aggregated ports.
• Allowed Super Admins to restore local backups.
• Improved device discovery resiliency.
• Improved storage mounting resiliency.
• Improved device and system stability.
• Improved hot-plug disk resiliency.
• Improved the Alarm Manager user experience.
• Improved backup restore resiliency.
• Improved RAID5 resize reliability.
• Improved RAID array rebuilding.
• Improved firmware upgrade behavior by updating the Protect Application to the latest official release after an upgrade.
• Improved the app restoration experience after a firmware update.

Bugfixes

• Fixed an issue where Protect incorrectly reported disks as “At Risk” when they had different capacities or RPM values compared to other disks in the RAID array.

This is the initial release for the ENVR-Core.

Bundled Application

• UniFi Protect 7.0.88

UniFi OS 5.0.16 includes the improvement below

Bundled Application

• UniFi Protect 6.2.88

Improvements

• Improved system stability.

UniFi OS 5.0.12 includes the improvements listed below.

Bundled Application

• UniFi Protect 6.2.88

Improvements

• Improved system stability.
• [Identity] Renamed Group to Role when the console is managed by Fabric.

Bundled Application

• UniFi Protect 6.1.79

Improvements

• Added time/date mismatch toast messages.
• Improved the Internet connectivity check.
• Improved the backup and restore resiliency.
• Improved the device discovery process for faster detection.
• Improved certificate file validation.
• Improved Web UI Stability and performance.
• Improved the Alarm Manager user experience and resiliency.
• Improved system stability.
• Improved storage resiliency when expanding RAID arrays.
• Improved backup restore resiliency.

Bugfixes

• Fixed an issue where incorrect suggestions could be shown when disks are At Risk.

UniFi OS 4.4.3 includes the improvements listed below.

Bundled Application

• UniFi Protect 6.1.75

Improvements

• Improved Remote Access connection resiliency.
• Improved HDD detection for WDC WD10EACS-07D6B1 and WD20EARS-00MVWB0.

UniFi OS 4.4.2 includes the improvements and bugfix listed below.

Bundled Application

• UniFi Protect 6.1.36

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 the system stability when migrating from RAID1 to RAID5.
• Improved storage mounting resiliency.

Bugfixes

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

UniFi OS 4.3.6 includes the improvements and bugfixes listed below.

Bundled Application

• UniFi Protect 6.0.47

Improvements

• 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 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.

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.

UniFi OS 4.2.12 includes the improvement and bugfix listed below.

Bundled Application

• UniFi Protect 5.3.45

Bugfixes

• Fixed an issue where custom Protect permissions could get lost or appear incorrectly in rare cases.