Source.
https://iptime.com/iptime/?uid=27351&mod=document&page_id=16
New Features
[ BE19000QCA ] Support for using 2.4GHz band channels 12/13
[ AX3000R/AX3004R ] Support for 500Mbps link connection from LAN port
Fix missing OWE wireless security mode in some AX products
[ System Scheduler] Support for fan on/off reservation
Security
Bug Fixes and Stability Improvements
Fixed an issue where settings could not be restored in version 15.34.4
Fixed an issue where [ USB port built-in products ] were not automatically mounted after safe removal and reconnection.
[ BE19000QCA ] Reduced fan noise in low speed mode (PWM lower limit reduction)
Fixed an issue where Easymesh connection to ports 25-28 was not possible [ PoE24000-MESH ]
Changed the initial wireless operating mode of [ BE19000 / AX11000-6E / AX11000 / AX8004BCM ] to 'Maximum User Mode'
Fixed an issue where internet connection was interrupted when using WireGuard server on [ BE5100M/BE3600M/RingBE3600/RingBE3600+ ]
Fixed an issue where wireless TX Power settings were not reflected in [ AX3004ITL / A8004ITL ]
Other Changes