Weekly github digest (WebRTC WG specifications)

Issues
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* w3c/webrtc-pc (+1/-3/💬24)
  1 issues created:
  - Audio sometimes fails to capture, sometimes dissapear during call (by DevJhns)
    https://github.com/w3c/webrtc-pc/issues/2520 

  4 issues received 24 new comments:
  - #2520 Audio sometimes fails to capture, sometimes dissapear during call (4 by DevJhns, Sean-Der)
    https://github.com/w3c/webrtc-pc/issues/2520 
  - #2519 addIceCandidate may not need to throw an error when no remoteDescription (15 by Sean-Der, alvestrand, fippo, jan-ivar)
    https://github.com/w3c/webrtc-pc/issues/2519 
  - #2490 Close other peer's dtls & datachannel after unload (1 by jan-ivar)
    https://github.com/w3c/webrtc-pc/issues/2490 
  - #230 Add support for WebRTC Data Channel in Workers (4 by aboba, benjamingr, jimmywarting, lgrahl)
    https://github.com/w3c/webrtc-pc/issues/230 [External feedback] [PR exists] 

  3 issues closed:
  - Should not fire errors on closed datachannels https://github.com/w3c/webrtc-pc/issues/2511 [Needs Test] 
  - respec error: non-existant Web Platform Test https://github.com/w3c/webrtc-pc/issues/2500 [PR exists] 
  - Audio sometimes fails to capture, sometimes dissapear during call https://github.com/w3c/webrtc-pc/issues/2520 

* w3c/mediacapture-main (+4/-2/💬35)
  4 issues created:
  - GetDisplayMedia don't capture the audio from microphone (by athina635)
    https://github.com/w3c/mediacapture-main/issues/694 
  - enumerateDevices() should print correct MediaDeviceInfo (by guest271314)
    https://github.com/w3c/mediacapture-main/issues/693 
  - The devicechange event should not fire for changes of a device kind that cannot be used for a given browsing context (by youennf)
    https://github.com/w3c/mediacapture-main/issues/692 
  - If getUserMedia access is not granted, devicechange event should only be fired if devices of a given type go from 0 to 1 or 1 to 0 (by youennf)
    https://github.com/w3c/mediacapture-main/issues/690 

  7 issues received 35 new comments:
  - #693 enumerateDevices() should print correct MediaDeviceInfo (5 by guest271314, youennf)
    https://github.com/w3c/mediacapture-main/issues/693 
  - #690 If getUserMedia access is not granted, devicechange event should only be fired if devices of a given type go from 0 to 1 or 1 to 0 (14 by guest271314, jan-ivar, pes10k, youennf)
    https://github.com/w3c/mediacapture-main/issues/690 [Needs Test] [PR exists] [privacy-needs-resolution] [privacy-tracker] 
  - #688 Only fire devicechange event when devices physically added/removed (6 by guest271314, jan-ivar, youennf)
    https://github.com/w3c/mediacapture-main/issues/688 [April 2020 Interim] [PR exists] 
  - #673 error message may require language/direction metadata (1 by alvestrand)
    https://github.com/w3c/mediacapture-main/issues/673 [i18n-needs-resolution] 
  - #670 What happens when laptop lid is closed / phone display is turned off? (1 by alvestrand)
    https://github.com/w3c/mediacapture-main/issues/670 
  - #668 What happens when a machine suspends? (6 by guest271314, jan-ivar)
    https://github.com/w3c/mediacapture-main/issues/668 [April 2020 Interim] [March 2020 Interim] 
  - #646 Should enumerateDevices by default return an empty list? (2 by guest271314)
    https://github.com/w3c/mediacapture-main/issues/646 [privacy-tracker] 

  2 issues closed:
  - Stop recommending UUID for deviceId/groupId https://github.com/w3c/mediacapture-main/issues/682 [PR exists] [privacy-needs-resolution] 
  - Only fire devicechange event when devices physically added/removed https://github.com/w3c/mediacapture-main/issues/688 [April 2020 Interim] [Needs Test] [PR exists] 

* w3c/mediacapture-image (+0/-0/💬8)
  4 issues received 8 new comments:
  - #225 The (bool or ConstrainDouble) case for pan/tilt/zoom is unclear (4 by alvestrand, eehakkin, guidou)
    https://github.com/w3c/mediacapture-image/issues/225 [PTZ] 
  - #224 [PTZ] Should pan, tilt, and zoom double constraints apply to getUserMedia? (1 by fippo)
    https://github.com/w3c/mediacapture-image/issues/224 [PTZ] 
  - #223 [PTZ] Should `applyConstraints` request permission? (1 by reillyeon)
    https://github.com/w3c/mediacapture-image/issues/223 [PTZ] 
  - #222 Include malicious sites and surveillance cameras in the PTZ explainer (2 by reillyeon, riju)
    https://github.com/w3c/mediacapture-image/issues/222 [PTZ] 

* w3c/mediacapture-screen-share (+1/-1/💬5)
  1 issues created:
  - Add possibility to request the same surface stream, but with different constraints (e.g. resolution) (by LukasKalbertodt)
    https://github.com/w3c/mediacapture-screen-share/issues/139 

  2 issues received 5 new comments:
  - #139 Add possibility to request the same surface stream, but with different constraints (e.g. resolution) (4 by LukasKalbertodt, youennf)
    https://github.com/w3c/mediacapture-screen-share/issues/139 
  - #100 Capturing audio-only (1 by innerop)
    https://github.com/w3c/mediacapture-screen-share/issues/100 [question] 

  1 issues closed:
  - Add possibility to request the same surface stream, but with different constraints (e.g. resolution) https://github.com/w3c/mediacapture-screen-share/issues/139 



Pull requests
-------------
* w3c/webrtc-pc (+3/-1/💬1)
  3 pull requests submitted:
  - Mark voiceActivityFlag and multiple DTLS certificates as "features at… (by aboba)
    https://github.com/w3c/webrtc-pc/pull/2523 
  - Mark DC close as tested (by alvestrand)
    https://github.com/w3c/webrtc-pc/pull/2522 
  - Don't send closed or error events on closed data channels. (by alvestrand)
    https://github.com/w3c/webrtc-pc/pull/2521 

  1 pull requests received 1 new comments:
  - #2522 Mark DC close as tested (1 by alvestrand)
    https://github.com/w3c/webrtc-pc/pull/2522 

  1 pull requests merged:
  - Don't send closed or error events on closed data channels.
    https://github.com/w3c/webrtc-pc/pull/2521 [Editors can integrate] [Needs Test] 

* w3c/mediacapture-main (+2/-2/💬0)
  2 pull requests submitted:
  - Only fire devicechange on 0->1 & 1->0 kind devices pre-gUM. (by jan-ivar)
    https://github.com/w3c/mediacapture-main/pull/691 
  - Clear [[storedDeviceList]] on setting [[canExposeDeviceInfo]] to true (by jan-ivar)
    https://github.com/w3c/mediacapture-main/pull/689 

  2 pull requests merged:
  - Remove UUID recommendation for deviceId and groupId.
    https://github.com/w3c/mediacapture-main/pull/687 [Editors can integrate] 
  - Clear [[storedDeviceList]] on setting [[canExposeDeviceInfo]] to true
    https://github.com/w3c/mediacapture-main/pull/689 

* web-platform-tests/wpt (+0/-1/💬0)
  1 pull requests merged:
  - webrtc wpt: mark simulcast tests as long
    https://github.com/web-platform-tests/wpt/pull/23403 [chromium-export] [webrtc] [wg-webrtc] 


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-depth
* 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/web-platform-tests/wpt