Weekly github digest (Web Performance WG specs)

Issues
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* w3c/performance-timeline (+0/-1/💬1)
  1 issues received 1 new comments:
  - #103 PerformanceObserver's observe() should support entryType-specific parameters (1 by npm1)
    https://github.com/w3c/performance-timeline/issues/103 

  1 issues closed:
  - PerformanceObserver's observe() should support entryType-specific parameters https://github.com/w3c/performance-timeline/issues/103 

* w3c/user-timing (+0/-0/💬1)
  1 issues received 1 new comments:
  - #43 Level 3 proposal (1 by npm1)
    https://github.com/w3c/user-timing/issues/43 

* w3c/preload (+0/-0/💬1)
  1 issues received 1 new comments:
  - #120 `srcset`/`sizes` attributes for selectively preloading images (1 by domenic)
    https://github.com/w3c/preload/issues/120 [discuss] 

* w3c/longtasks (+0/-1/💬0)
  1 issues closed:
  - Provide explanation for the 50ms threshold https://github.com/w3c/longtasks/issues/59 



Pull requests
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* w3c/user-timing (+1/-1/💬1)
  1 pull requests submitted:
  - Remove measureWithOptions (by npm1)
    https://github.com/w3c/user-timing/pull/52 

  1 pull requests received 1 new comments:
  - #52 Remove measureWithOptions (1 by npm1)
    https://github.com/w3c/user-timing/pull/52 

  1 pull requests merged:
  - Remove measureWithOptions
    https://github.com/w3c/user-timing/pull/52 

* w3c/longtasks (+1/-1/💬0)
  1 pull requests submitted:
  - Explain 50ms threshold for longtasks (by npm1)
    https://github.com/w3c/longtasks/pull/60 

  1 pull requests merged:
  - Explain 50ms threshold for longtasks
    https://github.com/w3c/longtasks/pull/60 


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