Weekly github digest (WebRTC WG specifications)

Issues
------
* w3c/webrtc-pc (+0/-2/💬3)
  1 issues received 3 new comments:
  - #2974 RTCRtpCodecCapability is superfluous and should be deleted from the spec. (3 by fippo, jan-ivar)
    https://github.com/w3c/webrtc-pc/issues/2974 [Editorial] 

  2 issues closed:
  - Write WPT to check RTCIceCandidatePair is now an interface https://github.com/w3c/webrtc-pc/issues/2978 [Needs Test] 
  - RTCRtpCodecCapability is superfluous and should be deleted from the spec. https://github.com/w3c/webrtc-pc/issues/2974 [Editorial] 

* w3c/mediacapture-main (+1/-0/💬1)
  1 issues created:
  - MediaRecorder BlobEvent timecode clarification (by bradisbell)
    https://github.com/w3c/mediacapture-main/issues/1008 

  1 issues received 1 new comments:
  - #1004 How to handle specs that extend MediaStreamTrack, in particular MediaStreamTrack slots? (1 by jan-ivar)
    https://github.com/w3c/mediacapture-main/issues/1004 [editorial] 

* w3c/mediacapture-record (+1/-0/💬0)
  1 issues created:
  - MediaRecorder BlobEvent timecode clarification (by bradisbell)
    https://github.com/w3c/mediacapture-record/issues/222 

* w3c/mediacapture-output (+0/-0/💬1)
  1 issues received 1 new comments:
  - #63 Controlling 3rd party iframe audio output on a page? (1 by Jellyman447)
    https://github.com/w3c/mediacapture-output/issues/63 [enhancement] 

* w3c/webrtc-extensions (+1/-0/💬0)
  1 issues created:
  - ICE improvements: send and prevent ICE check over a candidate pair (by sam-vi)
    https://github.com/w3c/webrtc-extensions/issues/209 

* w3c/webrtc-rtptransport (+1/-0/💬4)
  1 issues created:
  - Sending NACK/FEC is not supported (by Philipel-WebRTC)
    https://github.com/w3c/webrtc-rtptransport/issues/52 

  3 issues received 4 new comments:
  - #43 Sequence number: constraints?  (1 by algesten)
    https://github.com/w3c/webrtc-rtptransport/issues/43 
  - #36 Should RtpSendStream/RtpReceiveStream be transferable? (1 by Philipel-WebRTC)
    https://github.com/w3c/webrtc-rtptransport/issues/36 
  - #29 Custom extensions not supported (2 by Philipel-WebRTC, alvestrand)
    https://github.com/w3c/webrtc-rtptransport/issues/29 



Pull requests
-------------
* w3c/webrtc-pc (+0/-2/💬0)
  2 pull requests merged:
  - Add reference to WPT update for idlharness of icecandidateapair interface
    https://github.com/w3c/webrtc-pc/pull/2979 [Editorial] 
  - Collapse RTCRtpCodecCapability.
    https://github.com/w3c/webrtc-pc/pull/2976 [Editorial] 

* w3c/mediacapture-main (+2/-0/💬0)
  2 pull requests submitted:
  - Add userInsertedDevices attribute to DeviceChangeEvent (by jan-ivar)
    https://github.com/w3c/mediacapture-main/pull/1007 
  - Import backgroundBlur from mediacapture-extensions (by dontcallmedom)
    https://github.com/w3c/mediacapture-main/pull/1006 

* w3c/mediacapture-screen-share (+0/-0/💬1)
  1 pull requests received 1 new comments:
  - #304 Avoid implicit task queuing with promises, to clarify setFocusBehavior (1 by jan-ivar)
    https://github.com/w3c/mediacapture-screen-share/pull/304 


Repositories tracked by this digest:
-----------------------------------
* https://github.com/w3c/webrtc-pc
* https://github.com/w3c/webrtc-identity
* https://github.com/w3c/webrtc-stats
* https://github.com/w3c/webrtc-charter
* https://github.com/w3c/webrtc-priority
* https://github.com/w3c/webrtc-ice
* https://github.com/w3c/webrtc-nv-use-cases
* https://github.com/w3c/mediacapture-main
* https://github.com/w3c/mediacapture-record
* https://github.com/w3c/mediacapture-image
* https://github.com/w3c/mediacapture-fromelement
* https://github.com/w3c/mediacapture-output
* https://github.com/w3c/mediacapture-screen-share
* https://github.com/w3c/mst-content-hint
* https://github.com/w3c/webrtc-svc
* https://github.com/w3c/webrtc-extensions
* https://github.com/w3c/webrtc-provisional-stats
* https://github.com/w3c/webrtc-encoded-transform
* https://github.com/w3c/mediacapture-automation
* https://github.com/w3c/mediacapture-transform
* https://github.com/w3c/mediacapture-region
* https://github.com/w3c/mediacapture-handle
* https://github.com/w3c/mediacapture-viewport
* https://github.com/w3c/webrtc-rtptransport
* https://github.com/w3c/mediacapture-screen-share-extensions
* https://github.com/web-platform-tests/wpt


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