Stream desktop audio
use case: easy way to stream not only microphone input but also sound and sound effects played on the device (e.g. audio snippet, songs, dj-set, sound effects, …)
support for Chrome and Edge:
https://developer.mozilla.org/en-US/docs/Web/API/MediaDevices/getDisplayMedia
current workaround on firefox on linux:
other current workarounds (?) via https://jackaudio.org (?) and similar audio routing tools (re-route audio to microphone) are are not very accessible nor intuitive (kernel extensions, configuration, some tools are expensive, …)