Running webrtc examples embedded gives empty html page/standalone services no remote streams show up

Build gst-plugin-webrtc and run the embedded services and standalone services as documented in README.

Embedded services: http://127.0.0.1:8080/ -> empty html page

Standalone:

WARN ThreadId(04) accept_async: gst_plugin_webrtc_signalling::server: Error during the websocket handshake: WebSocket protocol error: httparse error: invalid token 2024-08-10T09:54:10.333837Z DEBUG ThreadId(04) accept_async: gst_plugin_webrtc_signalling::server: close time.busy=203µs time.idle=730µs

and no "Remote Streams" at all at https://localhost:9090) (should show up under the name "gst-stream")

`gst-inspect-1.0 webrtc
Plugin Details:
Name webrtc
Description WebRTC plugins
Filename /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstwebrtc.so
Version 1.24.2
License LGPL
Source module gst-plugins-bad
Documentation https://gstreamer.freedesktop.org/documentation/webrtc/
Source release date 2024-04-09
Binary package GStreamer Bad Plugins (Ubuntu)
Origin URL https://launchpad.net/ubuntu/+source/gst-plugins-bad1.0

webrtcbin: WebRTC Bin

1 features:
+-- 1 elements
`
Any pointers for me?

Tia Chrzbrtc