Recommended Controller Software Version: Omada Controller v5.15 or above

New features:
1. Added support for Radius portal logout and CHAP encryption in Standalone mode.
2. Added support for portal landing page selection in Standalone mode.
3. Added support for modifying the Inform URL via SSH.
4. Added EAP Power Supply information in LLDP messages.

Enhancements:
1. Optimized the configuration process to reduce SSID configuration time.
2. Optimized the default NTP server list.
3. Optimized EAP Portal authentication functionality.
4. Optimized wired client traffic reporting of accelerated models.

Bug fixed:
1. Fixed the issue that loopback detection messages were forwarded to the SSID 
interface, which could result in excessive utilization in large-scale deployments.
2. Fixed the issue that modifying the PPSK without RADIUS profile caused clients 
connected to other SSID to disconnect.

Notes:
1.This version of firmware is applied to the Omada APP v4.21 or above.