Meng

### Describe the bug When listener.Stop() is called, the accept loop of this listener will break and exit forever even though the listener was started again. It will cause that...

Add docs describing how to use Health Checking

4

*Description*: >Describe the desired behavior, what scenario it enables and how it would be used. [optional *Relevant Links*:] >Any extra documentation required to understand the issue.

Add e2e for active health checking

4

*Description*: >Describe the desired behavior, what scenario it enables and how it would be used. [optional *Relevant Links*:] >Any extra documentation required to understand the issue.

Support custom RTP header extension

1

We build our product based on LiveKit. And we add some custom header extensions to synchronize with data from the data channel. I noticed https://github.com/livekit/livekit/issues/1558 and would like to submit...

Fix https://github.com/livekit/livekit/issues/3111 Key updates: 1. Implemented configurable custom RTP header extensions. 2. Enhanced SFU forwarding to transmit Publisher's header extensions to Subscriber.