Edit: Standalone (not connected to Omada Controller. Another can of worms - a lot of features are lost on association)

All threads on the matter are locked:

https://community.tp-link.com/en/business/forum/topic/641862

What is the status on DHCP Options 66 and 67 and next-server?
The most relevant information was "Release Q3 2024"

I spent hours trying to get what seemed like a basic feature working but was met with forums stating it wasn't possble on a business-grade router.