v1.6.7

What's Changed

• videoroom: add private_id feature and multistream "update" api
• videoroom: map multistream "updating" event to "updated"
• videoroom: add 0.x properties "audio_codec", "video_codec", "simulcast" and 1.x "autoupdate"
• videoroom: add end-to-end encryption signalling

Full Changelog: v1.6.6...v1.6.7