This is another product than the Red5. There are too many additions to the Red5.
In the community edition there are MP4 Recording, IP Camera Support, HLS Support, WebRTC Ingestion, web panel, etc.
In enterprise features, it's totally different than the Red5. There is no single line of source code of Red5 in the enterprise features of the project. Everything is implemented from scratch.
Actually it is not lower latency than centralized TURN server. The difference from TURN is that Ant Media Server behaves like peer to each connected clients. Not relaying the video/audio as TURN. Additionally, it can create adaptive bitrates on the server side. It can record streams and control other things on server side.