On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 57 on 2017-03-09 Note: The default for rtcpMuxPolicy is require.
In Chrome Android version 57 on 2017-03-16 Note: The default for rtcpMuxPolicy is require.
In Edge version 79 on 2020-01-15 Note: The default for rtcpMuxPolicy is require.
In Firefox version 44 on 2016-01-26
In Firefox for Android version 44 on 2016-01-26
Not in Internet Explorer
In Quest Browser version 5.0 on undefined Note: The default for rtcpMuxPolicy is require.
In Opera version 44 on 2017-03-21 Note: The default for rtcpMuxPolicy is require.
In Opera Android version 43 on 2017-09-27 Note: The default for rtcpMuxPolicy is require.
In Safari version 11 on 2017-09-19
In Safari on iOS version 11 on 2017-09-19
In Samsung Internet version 7.0 on 2018-03-16 Note: The default for rtcpMuxPolicy is require.
In WebView Android version 57 on 2017-03-16 Note: The default for rtcpMuxPolicy is require.
In WebView on iOS version 11 on 2017-09-19