Weekly github digest (Media Capture Task Force specifications)

Issues
------
* w3c/mediacapture-main (+0/-1/💬0)
  1 issues closed:
  - Clarify constraints processing model wrt dictionary member presence https://github.com/w3c/mediacapture-main/issues/525 

* w3c/mediacapture-screen-share (+1/-0/💬5)
  1 issues created:
  - NavigatorUserMedia no longer exists (by lukebjerring)
    https://github.com/w3c/mediacapture-screen-share/issues/63 

  3 issues received 5 new comments:
  - #63 NavigatorUserMedia no longer exists (3 by foolip, uysalere, lukebjerring)
    https://github.com/w3c/mediacapture-screen-share/issues/63 
  - #60 Define tab capture (1 by aboba)
    https://github.com/w3c/mediacapture-screen-share/issues/60 
  - #61 Mention capture of system audio (1 by aboba)
    https://github.com/w3c/mediacapture-screen-share/issues/61 



Pull requests
-------------
* w3c/mediacapture-main (+0/-1/💬0)
  1 pull requests merged:
  - New audible corollary to active stream property, to end audio elements
    https://github.com/w3c/mediacapture-main/pull/521 [Test exists] 

* w3c/mediacapture-screen-share (+1/-0/💬2)
  1 pull requests submitted:
  - Switch NavigatorUserMedia to partial interface Navigator (by foolip)
    https://github.com/w3c/mediacapture-screen-share/pull/64 

  1 pull requests received 2 new comments:
  - #64 Switch NavigatorUserMedia to partial interface Navigator (2 by foolip)
    https://github.com/w3c/mediacapture-screen-share/pull/64 


Repositories tracked by this digest:
-----------------------------------
* 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