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As always, make a backup prior to upgrading.
Windows users must have x64 Java installed as we only support 64 bit webRTC library. Please see HERE and download the missing version (64bit offline Windows install package).
You cannot re-use a VLAN ID for dynamic VLAN if it is set as a static value for another SSID on the same AP. So, if I have a SSID set to use VLAN 10, I cannot use VLAN ID 10 for RADIUS controlled VLAN users as those users will not get an IP.
Smart Queue QoS is similar to the implementation as in EdgeOS (see HERE). Please note that DPI will not work when using Smart Queue QoS, as traffic will not be offloaded. It's also worth noting that maximum throughput will be affected when using Smart Queue QoS, as traffic is not offloaded. There are some rough guidelines in the article linked above.
DFS channels can not be used for wireless uplink as of this release. Please use non-DFS channels if you need to use wireless uplink on dual band UAPs.
Official UniFi MIBs can be downloaded from HERE and HERE (those are 2 different files).
We no longer support Java version 6, it needs to be 7 or later. We recommend Java version 8.
Features like airtime fairness, bandsteering, load balancing and minimum RSSI are default disabled. If you need them you need to go to Settings>Site and check Enable advanced features.
If you previously used Google Maps for a site map, then you have to enable this feature again by adding an API key. This is done under Settings>Controller. There is a linked guide with instructions.
WLAN - broadcast/multicast blocking.
Controller bugfixes/changes from 5.4.11:
Fix discovering devices on Windows.
Wizard: allow falling back to first available country when US is not in the list.
Fix showing upgrade whiteout notice.
Prevent transition superseded error.
Add training button (for demo.ubnt.com).
Improve email templates.
Elite Controller only:
License state improvement
Firmware changes from 3.7.37:
[UAPG3] Enable RADIUS VLAN support.*
[UAPG3] Enable 802.11w support.**
[UAPG3] Enable international DFS support (except US/CA).
[UAPG3] Fix spurious reboots of AC-HD.
[UAPG1/G2] Fix issue with TX buffer management. Should help with upgrade issues, and WLAN schedule problems due to stuck VAPs with log message `Timeout waiting for vap to stop` (UNIFI-374).***
[UAPG3] Enable MU-MIMO sounding.
[UAPG3] Advertise country information element.
[UAPG3] Advertise QBSS Load information element.
[UAPG3] Update powersave function.
[UAPG3] PN replay improvements.
[UAPG1] Change default CPU clock to 400MHz for AR724x/QCA933x based UAP. Prevents second harmonic interference at 780MHz.
[UAP] Enable DHCP broadcast to unicast conversion, default to off. **
[UAP] Prevent VAPs with a bad config from coming up open.
[UAP] Fix a couple issues with current RADIUS VLAN code.
[UAP] Enable dropbear DSS support.
[USW] Update webRTC terminal client to 1.0.8.
[USW] Improve device logging
[USW] Add missing FASTPATH command to clear MAC address table (non-XG models).
*When using RADIUS VLAN on AC-HD, the active VAPs will not be offloaded, which will cause lower than expected performance. This is being worked on.
**Controller support pending to be able to toggle this.
***You may need to 1) set the radios to the disabled WLAN group, and then 2) reboot each UAP to be able to upgrade to this firmware. Once on this firmware, you should have no problems upgrading to newer firmware.
Firmware 3.7.45 has been pushed for AC-HD only (at this time). Please see changes HERE. Note, newer firmware may be pushed for all models of UAP/USW in the near future.