RTCMultiConnection-v1.4 — session re-initiation support added. Data/File sharing enhanced.

Same like DataChannel.js; simultaneous multiple file sharing support
added. You can leave/join rooms; or open new sessions without page
reload.

For all new updates; read documentation:

https://github.com/muaz-khan/WebRTC-Experiment/tree/master/RTCMultiConnection
WebRTC Experiments — https://www.webrtc-experiment.com/ — updated.
Tinny changes / Typo Fixed.