Ubiquiti UniFi Firmware Release Notes: 4.0.69.10871 – 4.3.20.11298

Official Release Notes

Features

  • US-XG-6POE
    • [4.3.13.11253]
    • [4.0.69.10871]
      • Enabled L3 support.

Improvements

  • nanoHD/IW-HD/FlexHD/BeaconHD
  • UAP
    • [4.3.20.11298]
      • Improved isolated AP logging.
    • [4.3.13.11.253]
      • Improved tracking of DHCP state.
      • Improved guest portal stability.
      • Reduced false positives when forcing high performance devices to 5 GHz.
      • Improved fast roaming stability.
      • Re-architected static and dynamic VLAN support.
      • Improved encrypted netconsole reliability.
    • [4.0.69.10871]
      • Tweaked performance.
      • Refactored High Performance Devices.
      • Implemented ICMP RTT tracking, improved stability of tracking.
      • TCP Latency Report now shows N/A if no traffic.
      • Switched guest control to use ipset.
      • Now uses Access Point MAC Address for Fast Transition packets.
      • Added old IPW2200 cards to 2 GHz whitelist.
  • UAP-G3
    • [4.3.13.11.253]
      • Enabled VHT160 for Japan.
      • Improved throughput of VLAN-tagged SSIDs.
      • Improved crash log reporting.
  • UAP-G2/G3
    • [4.3.13.11.253]
      • Improved wireless uplink connect time and reliability.
  • UAP-G2
    • [4.3.20.11298]
      • Improved wireless uplink stability on downlink.
      • If debug logging is enabled, increase authenticator log level.
  • UAP-MTK
    • [4.3.20.11298]
      • Improved upgrade reliability.
      • Now send roam events instead of disconnect events when clients roam.
    • [4.3.13.11.253]
      • Throughput has been improved.
      • Fast roaming capability has been improved.
      • Added Refactor High Performance Device feature.
      • Disabled frequent Transmit Beamforming (TXBF) updates to increase client compatibility.
      • Improved wireless uplink background scanning.
      • Fixed connectivity issue with “high performance devices” feature in sites with many devices.
  • HW
    • [4.3.13.11.253]
      • Now detects/reports unstable processes.
      • Improved high memory usage reporting and memory reporting generally.
      • Improved status LED patterns/tempo.
      • Now allows sending anonymous analytics to developers.
    • [4.0.69.10871]
      • Allowed disabling crash and critical event reporting; now disabled by default.
      • Improved accuracy of memory use calculations.
  • USW-Pro/USW-PoE/USP-RPS
    • [4.3.13.11.253]
      • Updated LCM (Lifeycle Management?) firmware to add new status messages and fix PoE power checking.
  • USW-Flex
    • [4.3.13.11.253]
  • USW-Pro
    • [4.3.13.11.253]
      • Improvements to LCM firmware.
      • Implemented overheat and RPS power warnings.
  • USW-Gen2
    • [4.3.13.11.253]
      • Updated bootloader, now enables LEDs before booting.
  • USW
    • [4.3.20.11298]
    • [4.3.13.11.253]
      • Improved crash reporting.
      • Decreased STP load under some circumstances.
      • Improved multicast delivery.
      • Now reports port error reasons to controller.
  • ULTE
    • [4.3.13.11.253]
      • Improved on-screen graphics, updated display.
      • Added larger data overage backoff.

Bug Fixes

  • HD/SHD/XG/BaseStationXG
    • [4.0.69.10871]
      • Fixed several rare crashes.
  • HD/SHD/XG/UWB-XG
  • nanoHD/IW-HD/FlexHD/BeaconHD
  • US/L2-PoE/16-XG/XG-6PoE/USW-Pro
  • USW
    • [4.3.20.11.298]
      • Fixed DHCP flooding between isolated ports.
      • Fixed DHCP packet inter-VLAN route loop by DHCP snooping.
    • [4.0.80.10875]
      • Reverted changes from 4.0.69 that introduced DHCP issues when LACP is used.
  • US-8/16/24/48/###W/L2-PoE/16-XG/XG-6PoE/USW-Pro
    • [4.3.13.11.253]
      • Fixed regression/bugs causing DHCP issues when using LACP.
  • US-8/16/24/48/L2-PoE/16-XG/XG-6PoE
  • HW
    • [4.3.13.11.253]
      • No longer reboots if firmware update fails.
      • Fixed device disconnected after failed firmware download.
      • Fixed system log encryption memory leak.
      • Fixed slow frequency of internet ping after initial check.
    • [4.0.80.10875]
      • Limited MAC addresses from being reported when analytics are enabled.
    • [4.0.69.10871]
      • Fixed provisioning of system.analytics.status.
      • Remove HMAC-MD5 support for shell access.
  • US8-450W/USC-8
    • [4.3.13.11.253]
      • Fixed management VLAN.
  • USW-8
    • [4.3.13.11.253]
      • Fixed static IP bug after changing management VLAN.
  • USW-POE
    • [4.3.20.11.298]
      • Fixed PoE initialization issue.
      • Fixed LCM upgrading.
    • [4.3.13.11.253]
      • Fixed PoE LED issue on 16 port model after soft reboot.
      • Fixed flow control command.
  • USW-48-POE
    • [4.3.13.11.253]
      • Fixed port mapping.
  • USW-G2
    • [4.3.13.11.253]
      • Resolved issue with loopback test.
  • USW-Flex
    • [4.3.13.11.253]
      • Fixed PoE off failure when powered by 802.3af/at.
      • Fixed 802.3af reporting issue.
  • UAP-BeaconHD
    • [4.3.13.11.253]
      • Now factory resets device if wireless uplink is disabled on site.
  • UAP-AC-IW
    • [4.3.13.11.253]
      • Fixed multicast packet leaking security issue.
  • IWHD
    • [4.3.14.11.253]
      • Fixed invalid port parameters, port or cfg = NULL error when switch ports disabled.
  • UAP-PRO
    • [4.3.14.11.253]
      • Fixed wireless uplink static VLAN.
  • UAP
    • [4.3.20.11.298]
      • Fixed intermittent multicast packet loss on static VLANs.
      • Fixed memory leak in netconsole when operating as wireless downlink.
      • Fixed Gen1 PS4 connectivity issue when high performance devices enabled.
    • [4.3.14.11.253]
      • Fixed wireless uplink static VLAN.
      • Fixed reported QoS Basic Service Set (QBSS) channel utilization for 5GHz radio.
      • Fixed reported RSSI and noise floor.
      • Fixed issue with 0% Channel Utilization in QBSS Report.
      • Fixed issue when modifying High Performance Device feature.
      • Fixed multicast TX in congested 2.4GHz environment.
      • Fixed issue that caused second/third radio to intermittently not come up properly on provision.
      • Fixed DNS parsing instability.
      • Fixed stability issue when handling Dynamic Frequency Selection (DFS) events.
      • Fixed udhcpc continuous instability bug.
      • Fixed authenticator instability and crash reporting.
      • Fixed roaming notification for APs.
      • Fixed guest portal instability.
      • Fixed intermittent RADIUS COA failure.
      • Improved Fast Roaming management bridge detection.
      • Fixed memory leak when using Auto-Optimize Network or High Performance Devices.
      • Now keeps IPv6 enabled on dynamically created DVLAN interface.
      • Fixed multicast issue with DVLAN SSIDs and untagged Users.
      • Fixed configuration bug when DVLAN is disabled on SSID.
      • Fixed stability issue with ICMP tracking.
      • Fixed stability issue with WLAN schedules.
      • Fixed management VLAN bridging when using wireless uplink
      • Fixed sticky DNS latency reporting.
      • Fixed TCP latency calculation.
      • Fast Transition packets are now routed to proper bridge.
      • WEP clients are now allowed to be on VLANs.
      • Fixed a crash that could occur during Guest Control provisioning.
      • Fixed bug with Connectivity Monitor that caused it to bring down WLANs when gateway is unreachable.
      • Fixed ICMP latency stability.
      • Fixed DVLAN if management VLAN is unspecified.
      • Fixed minimum RSSI fast-apply issue.
  • UAP-G1
    • [4.3.14.11.253]
      • Improved probe response transmission.
  • UAP-G2/G3
    • [4.3.20.11.298]
      • Fixed some issues with wireless uplink connectivity.
    • [4.3.14.11.253]
      • Fixed minor Fast Roaming issue related to QBSS.
      • Added Antigua and Barbuda as countries.
      • Fixed DVLAN connectivity between clients on the same interface (introduced in 4.1.0).
      • Fixed slow memory leak when using a Dynamic VLAN SSID.
      • Fixed Activity Down stats.
  • UAP-G3
    • [4.3.20.11.298]
      • Fixed intermittent inability to connect with Gen3 UAP as downlink.
    • [4.3.14.11.253]
      • Adjusted environmental thresholds.
      • Fixed an issue with rate control handling which could trigger an assert.
  • UAP-G3/MTK
    • [4.3.14.11.253]
      • Fixed fast-roaming issues.
  • UAP-MTK
    • [4.3.20.11.298]
      • Fixed inability for WiFi to operate when proxy ARP is enabled.
      • Fixed issue when country is set to Faroe islands.
  • USP-RPS
    • [4.3.14.11.253]
      • Fixed false alert for power delivery.
      • Added initial RPS information to LCM.
  • ULTE
    • [4.3.14.11.253]
      • Added MSS clamping.
      • Fixed security issue if U-LTE had public WAN IP.
      • Fixed intermittent LTE upgrade issue.
      • Fixed support for SIM PINs.
      • Fixed DHCP client issue when guest network was enabled.

Ubiquiti UniFi Firmware Release Notes: 4.0.42.10433-4.0.66.10832

4.0.66.10832

  • USW
    • Added support to configure/show 802.1X idle timeout for MAC-based mode.
    • Adjusted log level for DHCP snooping and to prevent flooding..
    • Fixed port based MAC filter whitelist bug.
  • nanoHD/IW-HD/FlexHD
    • Improved memory usage.
    • Made system optimizations.
    • Fixed available channel list when country code set to Philippines.
    • Fixed DVLAN support when using MacAuth.
    • Fixed minRSSI support.
    • Fixed RADIUS MAC Auth support.
    • Fixed support for High Performance Devices features.
    • Made a fix to prevent PS-POLL storm from the STA connection state out-of-sync issue.
    • Fixed unknown/inconsistent VAP warnings.
    • Fixed User Group support when using multiple SSIDs and/or wireless uplinks.
  • FlexHD
    • Enabled DFS support.
  • UAP
    • Added support for resolving controller for guest portal when FQDN is unavailable on DNS used by guests.
    • Changed EAP auth timing.
    • Dynamically generates guest portal certificates using Apple rules and FIPS-140-2 requirements.
    • Improved DNS latency reporting to mitigate false positives.
    • Moved traffic mark allocation handling from device to controller.
    • Tweaked Wi-Fi Experience scoring.
    • Updated to hostapd 2.8.
    • Fixed 802.11k Neighbor Report request function.
    • Fixed a race condition which may cause DNS failures for Guest Portal.
    • Fixed Fast Roaming support after hostapd 2.8 update.
    • Fixed RADIUS DAS/DAC/CoA support.
    • Fixed several memory leaks.
    • Several fixes and improvements for Fast Roaming support.
  • UAPG2/G3
    • Fixed HT Information IE.
  • USW-Flex
    • Improved power management to allow PD(s) to power up when there is available power.
    • Fixed panic when netconsole encryption enabled.
  • USW
    • Enabled libcurl verbose logging.
  • HW
    • Added encrypted syslog/netconsole support.
    • Added crash and critical event reporting.
    • Enabled LLDP support for all possible devices.
    • Improved inittab process management.
    • Fixed netconsole setup issue when multiple ARP addresses present.
  • AC-M-Pro
    • Fixed flipped port negotiation stats.
  • HD/SHD/XG/BaseStationXG
    • Fixed netconsole encryption support.
    • Made microcode update to resolve a rare memory corruption issues.
  • UAP-XG/BaseStationXG
    • Fixed range of issues with 10Gbps Ethernet PHY.
  • US/US-PoE/L2-PoE/16-XG/XG-6PoE
    • Fixed DHCP leak on isolated ports when DHCP snooping is enabled.
    • Fixed IGMP fast leave provisioning.
  • USW-XG-6POE
    • Fixed flood of DHCP request/reply packets to all VLAN members.
  • UIS
    • Added Port Security feature support.

4.0.54.10625

  • UAPG2/G3
    • Fixed bug causing false dropped packets to be reported on dashboard.
  • UAPG1/G3
    • Fixed reported ethernet negotiation.
  • UAPG2
    • Fixed segfault during wireless adoption.
  • UAPG1
    • Fixed wireless uplink loop issue.
    • Improved client STA connection stability when using wireless uplinks.
  • AC-Pro/EDU/M-Pro/AC-IW/IW-Pro
    • Fixed ethernet PHY behaviour.
    • Fixed reported ethernet negotiation.
  • HD/SHD/XG/BaseStationXG
    • Fixed an issue where wireless uplink may fail to reconnect.
    • Fixed segfault during wireless adoption.
  • UAP-XG/UWB-XG
    • Fixed an issue with the uplink monitor which may have caused it to erroneously take down all SSIDs.
  • UWB-XG
    • Removed bandsteering as it’s unsupported on this device.
  • nanoHD/IW-HD/FlexHD
    • Adjusted block ACK log level to avoid log spam.
    • Changed so downlink AP follows channel width of the uplink AP.
    • Fixed broadcast/multicast tx stuck issue which may cause high memory usage.
    • Fixed inter-DVLAN broadcast and multicast traffic leaking.
    • Fixed issues with RF environment scan.
    • Fixed VHT information element.
    • Fixed Vietnam channel list.
    • Improved device boot time.
    • Made other stability improvements.
  • IW-HD
    • Fixed DVLAN DHCP issue when Port VLAN is enabled.
    • Fixed VLAN behavior on device reboot.
    • Now properly authenticates wired 802.1X clients on reboot/provision.
  • UAP
    • Added DNS latency tracking.
    • Added new event to identify STA disconnects.
    • Added support for Faroe Islands.
    • Now allows 40MHz on 2.4GHz when country code set to Japan.
    • Fixed a bug when SSH key added via config.properties instead of controller UI.
    • Fixed bug which may cause reboot after provision.
    • Fixed Fast Roaming support.
    • Fixed guest portal failing to redirect on untagged subnet when devices has a static IP.
    • Fixed guest portal provisioning and added reporting for configuration issues.
    • Fixed issue with Ring Chime Pro and PS4 when using Auto-Optimize Network or High-Performance Devices.
    • Fixed random error which caused device to crash when running RF Environment scan.
    • Fixed uplink monitor behavior under heavy unicast load.
    • Fixed wireless adoption backwards compatibility.
    • Made general improvements to Auto-Optimize Networks/High-Performance devices.
    • Improved CPU usage.
    • Improved wireless link stability and wireless uplink stat change logic.
    • Increased 5GHz bias for wireless uplink on dual-band models.
  • nanoHD/IW-HD
    • Fixed a bug where device may not reply to probe request frames.
  • US/US-POE/XG/USW-6POE
    • Added live link status update capability.
    • Enabled IPv6 support for management.
  • US-24-250W/500W
    • Fixed erroneous PoE init failure message on fully functional devices.
  • USW
    • Aligned syslogd prefix format with other devices.
    • Made a potential fix for a bug with DHCP snooping which can cause issues with DHCP.
  • US-16-XG
    • Fixed 2.5 Gbps speed report issue.
  • USW-6POE
    • Added 2.5 Gbps speed support for SFP+ ports.
    • Fixed PoE auto-detect behavior of 802.3bt ports.
    • Improved 802.3bt port compatibility with dual-voltage devices.
    • Improved reboot robustness.
    • Improved SFP port autodetect robustness.
  • SEC
    • Security improvements.
  • HW
    • Improved L2 unadopted upgrade robustness.

4.0.42.10433

  • UAPG2/G3
    • Fixed corrupt UBNT IEs.Now handle broadcast DHCP replies properly while using dynamic VLANs.
  • UAPG1/G2
    • System optimizations.
  • UAPG2
    • Fixed 100FDX negotiation issue after wired uplink state change.Fixed downlink AP crash when using a DFS channel for wireless uplink.Fixed wireless uplink priority selection fail.
  • UAPG1
    • Fixed ethernet negotiation.Fixed issue causing no ethernet link when link partner uses manual negotiation.Fixed remaining issues with establishing an ethernet link.
  • AC-Pro/EDU/M-Pro
    • Fixed performance regression in 4.x when uplink is 100Mbps.
  • HD/SHD/XG/BaseStationXG
    • Fixed mDNS leak when Broadcast and Multicast Filter enabled.Fixed reset button behavior.Made stability and compatibility improvements when using ‘Auto-Optimize Network’ or ‘High Performance Devices’.Updated kernel.
  • HD/SHD/XG
    • Fixed bug causing lower than expected MCS and throughput when TX power >=25dBm.
  • BaseStationXG
    • Fixed GPS support.
  • nanoHD/IW-HD/UDM-B
    • Added association tracking support.Added support for ‘High Performance Devices’ (also part of ‘Auto-Optimize Network’).Added support to display which client STAs support Fast Roaming.Enabled client STA keepalive support.Fixed 802.11w (PMF) provisioning.Fixed a crash when running RF Environment scanning.Fixed a null pointer access issue.Fixed AndesSendCmdMsg warnings.Fixed downlink AP TX rate degradation issue.Fixed false anomalies/failures.Fixed some memory leaks.Fixed speed regression caused by unaligned access.Fixed TX retry and drop count.Fixed wireless uplink packet forwarding issue.Improved multi-client performance.Stability improvements.System optimizations.Tweaked WiFi Experience scoring.
  • UDM-B
    • Disable RF Environment scanning as it’s unsupported.
  • UAP-IW
    • Fixed behavior so ports are switched instead of isolated.
    • Fixed link flapping and switch VLAN behavior.
    • Fixed port/management VLAN provisioning.
    • Fixed reported inittab respawn errors.
  • UAP
    • Added DFS backup channel feature.
    • Added initial RFC-5176 support.
    • Added U-NII-2C support for Panama country code.
    • Fixed a bug which caused mcad to be removed unexpectedly after a provision.
    • Fixed a bug with guest portal redirection.
    • Fixed and improved User Groups support.
    • Fixed Apple Watch support when using ‘Auto-Optimize Network’ feature.
    • Fixed connectivity issue for 2.4GHz only devices when using ‘Auto-Optimize Networks’ or ‘High Performance Devices’.
    • Fixed false ‘Blocked by access control’ anomalies.
    • Fixed false DHCP timeout/failure anomalies.
    • Fixed incorrect/lower than expected 2.4GHz TX power limits.
    • Fixed issues when multiple guest networks on an AP.
    • Fixed RADIUS failover behavior.
    • Fixed RF Environment scanning bug which caused APs to require a power cycle after running a scan.
    • Improved client STA compatibility when using ‘High Performance Devices’ (also part of ‘Auto-Optimize Networks’).
    • Regulatory updates for Russia.
  • U-LTE
    • Disabled RF Environment scanning as it’s unsupported.
  • USW
    • Fixed timeout issue when provisioning 200+ VLANs.
  • UIS
    • Improved PD compatibility.
  • USW-Pro/XG-6POE
    • Added initial routing support.
    • Fixed a bug that may cause the in-row SFP port to disable when setting an ethernet port to disabled.
    • Further improved PD autodetection.
    • Improved handling when no uplink detected.
    • Improved PoE reliability.
  • USW-Pro
    • Added LCM brightness/sync support.
    • Changed throughput update interval on LCM to 1 second.
    • Fixed a rare bug in LCM initialization during boot.
    • Improved reliability of LCM sync feature.
    • Tweaked LCM touch event behavior.
  • USW-Flex
    • Fixed a bug which may prevent device from booting.
    • Improved device initialization reliability.
  • US8
    • Disabled IPv6 on VLAN interfaces.
  • USW
    • Added Wired User Experience support.
    • Fixed 10/100Mbps manual negotiation.
    • Fixed false PoE overload events.
    • Fixed SNMPv3 data leaking without auth.
    • Improved Fault Status text when checking PoE info via shell.
  • SEC
    • Fixed CVE-2019-8912.
  • HW
    • Fixed alerts generated when inittab restarts a process.
    • Fixed STUN URL resolution.
    • Fixed support for Custom Upgrades via FTP.
    • Miscellaneous bug fixes and improvements.

Ubiquiti UniFi Firmware Release Notes: 3.8.6.6650, 3.8.12.6776, 3.8.14.6780, 3.9.1.7462, 3.9.3.7537

From 3.8.3 to 3.8.6.6650

Check out the official release notes.

  • UAPG3
    • Fixed MAC ACL and blocking support.
  • AC-IW/Pro/EDU/M-Pro
    • Fixed a bug with egress QoS.
    • Improved address resolution logic (ARL) caching support.
    • Added STP state and uptime.
    • Fixed topology view.
  • UAP
    • Added backend for 802.1X MAC authentication bypass support.*
    • Added Framed-IP-Address to RADIUS accounting data.
    • Added NAS-IP-Address to RADIUS accounting data.
    • Various backend fixes.
  • USL2
    • Added support for switch power monitor and PSU info.*
  • USW
    • Fixed DoS issue reported via HackerOne.
    • Added per port Class of Service (CoS) queuing and max traffic class support.*
    • Delayed port LED blinking until system is ready.
    • Added backend for 802.1X MAC authentication bypass support.*
    • Added support for port egress rate limiting.*
  • HW
    • Fixed issue with curl config, FTP firmware upgrade now working.
    • Backend optimization to save space.

From 3.8.11 to 3.8.12.6776

See the official release notes.

  • ACG1
    • Added multi-block WLAN schedule support.*
  • UAP
    • Added management VLAN support for wireless uplink.*
    • Added options for RF scan (active/passive, background/foreground.*
    • Added support for best channel suggestion after running RF scan.*
    • Added support for fast-apply WLAN config, for existing WLANs only.
    • Allowed 80MHz for Russian country code.
    • Removed iperf package, as it does not provide proper results when using an AP as an endpoint.
  • USW
    • Added missing IPv4 multicast trap policy.
  • HW
    • Limited SSH username to 32 characters in length.

From 3.8.12 to 3.8.14.6780

See the official release notes.

  • UAP
    • Fixed a RADIUS related bug with fast-apply.
    • Made a backend improvement.

From 3.8.14 to 3.9.1.7462

See official release notes.

  • UAPG3
    • Added airView and airTime support for SHD.
    • Added initial WIPS backend support for SHD.*
    • Various HW accelerator fixes and improvements.
    • Fixed issue with RF scan where it would often show 0% utilization.
    • Fixed problem with uplink staying in a disconnected state.
    • Reduced time required to provision.
    • Uplink / meshv3 improvements.
    • General fixes and improvements in logging, wifi, and performance.
    • Added LLDP support, which improves PD negotiations on third party switches.
    • Enabled SHA512 support.
  • UAP
    • Implemented backend for SNMPv3 support.*
    • Fixed a RADIUS related bug with fast-apply.
    • Numerous backend fixes and/or improvements.
  • USL2
    • Fixed PSU status detection.
  • USW
    • Fixed a bug preventing DHCPv6 from functioning in some cases.
    • Fixed an issue with removing VLAN tags.
    • Fixed an issue causing high CPU usage with certain SFP modules.
    • Fixed 802.1X VLAN setting on LAG groups.
    • Various backend fixes and/or improvements.
  • HW
    • Merged with codename Toronto branch.
    • Added ‘do-upgrade’ alias for local firmware upgrades.

From 3.9.2 to 3.9.3.7537

Official release notes.

  • ACIWPro
    • Enabled DFS support.
  • UAP
    • Added more security details to scan info.
    • Applied security patch for WPA2 vulnerability (KRACK). [This primarily affects devices that support STA mode, 1st gen AC devices do not.]
    • Various backend fixes and/or improvements.
  • USXG
    • Fixed fastpath tools.
  • HW
    • Improved error codes return on firmware upgrade tool.

Ubiquiti UniFi Firmware Release Notes: 3.8.3.6587

Here is my second attempt at creating a useful summary of release notes from Ubiquiti’s official release notes.

Some Helpful Notes

  1. The abbreviation UAPG1, UAPG2, UAPG3 standard for UniFi Access Point Generation 1, 2, 3 respectively Generation 3 includes UAP-AC-HD while Generation 2 includes UAP-AC-M and UAP-AC-M-Pro, I am unclear on where other devices fit generation wise.. See here.

Changes from 3.7.58 to 3.8.3.6587

  • UAPG3
  • UAPG3 and UAPG2
    • Improve ntpclient reliability. (My certainty that the linked to ntpclient is the one actually in use is low, there are other options available by the same name)
    • Allow Very High Throughput (VHT) VHT80 for Ukraine.
  • UAPG2
    • Fixed issue causing less than expected throughput in recent releases.
    • Wireless Uplink v3.* (Anyone know the differences between v1, v2, v3 and if any docs are available?)
  • UAPG1
    • Enable wireless uplink v3 for models which support wireless uplink.*
  • EDU
  • AC-IW/Pro/EDU/M-Pro
    • Basic switch QoS support.*
    • Add address resolution logic (ARL) caching support. (Is this equivalent to Address Resolution Protocol (ARP))?
  • UAP (aka User Access Point)
  • USW (aka Ubiquiti Switch)
  • USL2 (unsure what this denotes?)
    • Added support for US-L2-POE switches.*
    • Added Power Supply Unit (PSU) fail detection support.*
  • HW
    • Support SHA512 password for SSH password in system.cfg (except 1st gen APs).*
    • Pass HTTPS capabilities for fwupgrade process.
    • Various improvements.
    • Fix the issue preventing SSH login when the interface IP changed.