Official Release Notes
You can find official release notes from Ubiquiti here:
- [FIRMWARE] 3.9.27.8537 for UAP/USW has been released.
- [FIRMWARE] 3.9.24.8264 for UAP has been released.
- [FIRMWARE] 3.9.21.8191 for UAP/USW has been released.
- [FIRMWARE] 3.9.19.8123 for UAP/USW has been released.
- [FIRMWARE] 3.9.18.8086 for UAP/USW has been released.
- [FIRMWARE] 3.9.15.8011 for UAP/USW has been released.
HD/SHD/XG
- 3.9.24-3.9.27.8537
- Fixed an issue with the reported uplink interface after RF scan when bonding was enabled.
- Fixed 802.1X VLAN reporting when RADIUS VLAN was enabled.
- Increased NTP client update frequency.
- Improved client STA performance for SSIDs with DVLAN enabled.
- Removed unnecessary logging.
- SHD/XG Only
- Fixed a performance issue.
- XG Only
- Re-enabled autonegotiation on the 10 GbE PHY.
- 3.9.21-3.9.24.8264
- Improved device stability when using rate control.
- Fixed channel utilization stats.
- Fixed spectral scanning support.
- Fixed forwarding of fragmented IPv6 packets.
- SHD/XG Only
- Made improvements to airTime.
- 3.9.19-3.9.21.8191
- Fixed the speed regression introduced in 3.9.18.
- Made an improvement to stability.
- XG Only
- 10Gbps Ethernet performance Improvements.
- 3.9.18-3.9.19.8123
- Fixed a memory leak when multicast enhancements were enabled.
- 3.9.15-3.9.18.8086
- Made improvements to stability and performance.
- 3.9.3/3.9.6-3.9.15.8011
nanoHD
- 3.9.24-3.9.27.8537
- Added:
- Channel utilization counters.
- DTIM Support.
- Initial Bandsteering support.
- athstats tool.
- Broadcast filtering support.
- Enabled DFS support.
- Fixed:
- broadcast filter configuration.
- hidden SSID support.
- crash triggered by provisioning.
- bug causing SNMP hostname to disappear after provision and reboot.
- PMF support.
- Added:
- 3.9.21-3.9.24.8264
- Added channel utilization support (currently 5GHz only).
- Enabled VHT160 support.
- Added nslookup.
- Enabled MU-MIMO.
- Fixed per-STA rate limiting support (user groups).
- Stopped broadcasting default SSID.
- Added MAC ACL support.
- Fixed RADIUS VLAN support.
- Fixed fast-apply support.
- Fixed HT40 support on 2.4GHz.
- Made improvements to stability.
- 3.9.19-3.9.21.8191
- Merged 3rd release firmware.
- Added RADIUS VLAN support.
- Added fast-apply support.
- Added 802.11w support (PMF).
- Added 802.11X identity support.
- Disabled country code IE.
- Made improvements to stability.
- 3.9.18-3.9.19.8123
- Fixed MBSS support.
- Made improvements to stability.
- 3.9.15-3.9.18.8086
- Added guest control support.
- Added 802.1X support.
- Added support for multiple BSSIDs per radio.
- Fixed issue when using a bracket in the ESSID or PSK.
- Fixed auto channel selection issue.
- Fixed 802.11n negotiation issue.
- Fixed issue which could cause Ethernet to stay down after provision or reboot.
- 3.9.3/3.9.6-3.9.15.8011
- Added stainfo support.
UAP
- 3.9.24-3.9.27.8537
- Disabled over the DS fast BSS transition.
- Fixed management VLANs on downlink UAPs.
- Fixed a bug which sometimes caused 100% CPU usage when fast BSS transition was enabled.
- Made various wireless uplink changes, including adding multi-radio uplink support.
- Now track MAC filter rejections.
- UAPG3 Only
- Fixed remaining crash when 802.11r is enabled.
- Reverted a patch which disabled the secondary ethernet when using wireless uplinks.
- UAPG2/G3 Only
- Improved channel utilization reporting accuracy.
- UAPG2
- Made improvements to performance.
- UAP-Pro Only
- Removed bandsteering as it isn’t supported.
- 3.9.21-3.9.24.8264
- Refactored and improved fast-apply, which also fixed two small memory leaks.
- 3.9.19-3.9.21.8191
- Fixed a memory leak related to the redirector.
- UAPG2/G3 Only
- Now tracks TX airtime latency.
- UAPG1 Only
- Fixed device firmware upgrade.
- 3.9.18-3.9.19.8123
- Fixed NAS-IP-Address attribute so that it always returns the management IP of the AP.
- 3.9.15-3.9.18.8086
- Improved STA signal reporting
- Made improvements to wireless uplink/mesh V3.
- Fixed a bug with rate control when using multiple SSIDs.
- 3.9.3/3.9.6-3.9.15.8011
- Fixed a small memory leak.
- Fixed outdoor flag.
- Added fast-apply for guest portal.
- Improved guest portal redirector handling.
- Fixed a bug with L3 wireless adoption.
- Fixed bandsteering.
- Fixed issue with bridge priority so the secondary ethernet port remains enabled.
- Improved DFS.
- Fixed an issue preventing bandsteering from being enabled.
- Fixed an issue with the downlink monitor.
- Added uplink priority for the bridge interfaces.
- Added KRACK AP mode patches for 802.11r.
- UAPG3 Only
- Fixed minimum rates.
- Further improvements to device upgrade and boot times.
- Fixed a crash in hostapd when Fast Roaming is enabled.
- Added support for 82.11r and 802.11k.
- Fixed channel utilization reports.
- Improvement bootup and TFP recovery times.
- UAPG2/G3 Only
- Added RADIUS VLAN support to MAC authentication bypass.
- Fixed a bug which prevented APs from uprgading when bandsteering was neabled.
- Fxied issue with 3.9.3.7537 which caused some APs to not accept any clients.
- UAPG2 Only
- Added support for 802.11k.
- UAPG1/G2
- Added net-snmp.
HW
- 3.9.24-3.9.27.8537
- Made L3 adoption and management improvements.
- 3.9.21-3.9.24.8264
- Added device hostname in shell.
- Optimized image size.
- 3.9.19-3.9.21.8191
- Enabled TCP Packetization-Layer Path MTU Discovery when an ICMP black hole is detected.
- Improved CPU utilization of SNMP.
- 3.9.18-3.9.19.8123
- Fixed some issues which would cause L3 adopted devices to show up as disconnected in the controller.
- Fixed SNMP sysName.
- 3.9.15-3.9.18.8086
- New protocol implementation.
- Added controller support for netconsole.
- 3.9.3-3.9.15.8011
- Improved security.
- Updated openssl package to 1.0.2m.
- Updated curl to 7.57.0.
- Added IPv6 management support.
- Improved event notification on device upgrade.
USW
- 3.9.21-3.9.27.8537
- Fixed crash caused by autodetect.
- Adjusted MAB priority, no longer waiting for 802.1X timeout to process.
- Fixed port mirroring provisioning.
- Added switch PoE port overload and disconnect reporting.
- 3.9.19-3.9.21.8191
- Enhanced DHCP snooping trace log for LAGs
- 3.9.15-3.9.18.8086
- Made various improvements.
- 3.9.3/3.9.6-3.9.15.8011
USL2
- 3.9.3/3.9.6-3.9.15.8011
- Improved PSU status reporting.
AC-IW/IW-Pro/EDU/M-Pro
- 3.9.3/3.9.6-3.9.15.8011
- Fixed VLAN pass-through regression
- Added port disable support.
- AC-IW/IW-Pro Only
- EDU only
- Fixed issue with volume not applying.
- Improved baresip config script.