Weekly github digest (Web Performance WG specs)

Pull requests
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* w3c/user-timing (+1/-1/💬0)
  1 pull requests submitted:
  - add npm as a co-editor (by siusin)
    https://github.com/w3c/user-timing/pull/53 

  1 pull requests merged:
  - add npm as a co-editor
    https://github.com/w3c/user-timing/pull/53 

* w3c/preload (+0/-0/💬1)
  1 pull requests received 1 new comments:
  - #134 imagesrcset and imagesizes mutations are appropriate times to obtain the resource (1 by domfarolino)
    https://github.com/w3c/preload/pull/134 [requires group discussion] 


Repositories tracked by this digest:
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* https://github.com/w3c/hr-time
* https://github.com/w3c/performance-timeline
* https://github.com/w3c/resource-timing
* https://github.com/w3c/navigation-timing
* https://github.com/w3c/user-timing
* https://github.com/w3c/beacon
* https://github.com/w3c/page-visibility
* https://github.com/w3c/preload
* https://github.com/w3c/resource-hints
* https://github.com/w3c/requestidlecallback
* https://github.com/w3c/device-memory
* https://github.com/w3c/paint-timing
* https://github.com/w3c/longtasks
* https://github.com/w3c/server-timing