New off-stage layer suppression feature

simulcast

#1

The team implemented a new feature called off-stage layer suppression that helps minimize the amount of bandwidth and CPU needed.

There is a summary post about this on the Jitsi News page: https://jitsi.org/news/new-off-stage-layer-suppression-feature/

Videobridge developer, Brian Baldino also wrote an extensive post on how this works for webrtcHacks: https://webrtchacks.com/suspending-simulcast-streams/