Weekly github digest (WebRTC WG specifications)

Issues
------
* w3c/webrtc-pc (+3/-2/💬1)
  3 issues created:
  - RTCError constructor fails the copy constructor pattern (by jan-ivar)
    https://github.com/w3c/webrtc-pc/issues/3064 
  - Data channels in workers get initialized on wrong thread (by jan-ivar)
    https://github.com/w3c/webrtc-pc/issues/3063 
  - Prevent GC of non-closed RTCDataChannels in workers (by jan-ivar)
    https://github.com/w3c/webrtc-pc/issues/3062 

  1 issues received 1 new comments:
  - #3062 Prevent GC of non-closed RTCDataChannels in workers (1 by jan-ivar)
    https://github.com/w3c/webrtc-pc/issues/3062 

  2 issues closed:
  - Duplicated word https://github.com/w3c/webrtc-pc/issues/3047 [Editorial] 
  - Promises on the operations chain may never settle https://github.com/w3c/webrtc-pc/issues/2973 

* w3c/webrtc-stats (+0/-0/💬1)
  1 issues received 1 new comments:
  - #800 Can we delete webrtc-provisional-stats spec? (1 by jan-ivar)
    https://github.com/w3c/webrtc-stats/issues/800 

* w3c/mediacapture-screen-share (+0/-0/💬1)
  1 issues received 1 new comments:
  - #320 Concern: Availability of getDisplayMedia() in file:// Secure Contexts (1 by jan-ivar)
    https://github.com/w3c/mediacapture-screen-share/issues/320 

* w3c/webrtc-encoded-transform (+0/-0/💬1)
  1 issues received 1 new comments:
  - #264 RTCEncodedVideoFrameMetadata spatialIndex and temporalIndex are not described (1 by fippo)
    https://github.com/w3c/webrtc-encoded-transform/issues/264 

* w3c/mediacapture-viewport (+0/-0/💬2)
  1 issues received 2 new comments:
  - #2 getViewportScreenshot (younger sibling of getViewportMedia) (2 by blutorange, gustavopch)
    https://github.com/w3c/mediacapture-viewport/issues/2 



Pull requests
-------------
* w3c/webrtc-pc (+4/-1/💬0)
  4 pull requests submitted:
  - Remove duplicate word (by jan-ivar)
    https://github.com/w3c/webrtc-pc/pull/3067 [Editorial] 
  - Allow construction of RTCError with null members (by jan-ivar)
    https://github.com/w3c/webrtc-pc/pull/3066 
  - Use [=map/exists=] and [=ordered map=] from infra (by jan-ivar)
    https://github.com/w3c/webrtc-pc/pull/3065 [Editorial] 
  - Clarify "announce an RTCDataChannel as open" is an algorithm (by jan-ivar)
    https://github.com/w3c/webrtc-pc/pull/3061 [Editorial] 

  1 pull requests merged:
  - Remove duplicate word
    https://github.com/w3c/webrtc-pc/pull/3067 [Editorial] 

* w3c/webrtc-stats (+0/-0/💬3)
  1 pull requests received 3 new comments:
  - #794 Add PSNR (Y/U/V) for outbound-rtp (3 by fippo, jan-ivar, youennf)
    https://github.com/w3c/webrtc-stats/pull/794 

* w3c/webrtc-svc (+3/-1/💬0)
  3 pull requests submitted:
  - Add .pr-preview.json (by jan-ivar)
    https://github.com/w3c/webrtc-svc/pull/110 [Editorial] 
  - Clarify scalabilityMode is video-only (by jan-ivar)
    https://github.com/w3c/webrtc-svc/pull/109 
  - Use [=list/contains=] from infra (by jan-ivar)
    https://github.com/w3c/webrtc-svc/pull/108 [Editorial] 

  1 pull requests merged:
  - Add .pr-preview.json
    https://github.com/w3c/webrtc-svc/pull/110 [Editorial] 

* w3c/webrtc-encoded-transform (+1/-0/💬1)
  1 pull requests submitted:
  - Add interface mixin KeyFrameRequest to simplify (by jan-ivar)
    https://github.com/w3c/webrtc-encoded-transform/pull/270 [editorial] 

  1 pull requests received 1 new comments:
  - #269 Update generateKeyFrame to take single optional rid and remove timestamp (1 by fippo)
    https://github.com/w3c/webrtc-encoded-transform/pull/269 [Editors can integrate] 


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/w3c/mediacapture-surface-control
* https://github.com/web-platform-tests/wpt


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