Weekly github digest (Service Worker WG specs)

Issues
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* w3c/ServiceWorker (+1/-0/💬13)
  1 issues created:
  - spec says cache should return responses with immutable headers, but no browser does that (by wanderview)
    https://github.com/w3c/ServiceWorker/issues/1456 

  5 issues received 13 new comments:
  - #1454 A way to specify a pattern of destination URLs to hit/skip SW (6 by jakearchibald, kinu, wanderview)
    https://github.com/w3c/ServiceWorker/issues/1454 
  - #765 serviceworker for iframes with srcdoc (4 by isubasinghe, jungkees)
    https://github.com/w3c/ServiceWorker/issues/765 [decided] 
  - #882 ServiceWorker lifetime and respondWith() with a user-constructed ReadableStream (1 by jungkees)
    https://github.com/w3c/ServiceWorker/issues/882 [apr-2017-f2f-v1] [decided] 
  - #1238 Provide a way to skipWaiting when the last tab refreshes (1 by dfabulich)
    https://github.com/w3c/ServiceWorker/issues/1238 
  - #1372 Clarification on what happens during a terminated activation (1 by makotoshimazu)
    https://github.com/w3c/ServiceWorker/issues/1372 



Pull requests
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* w3c/ServiceWorker (+0/-3/💬1)
  1 pull requests received 1 new comments:
  - #1448 Set default value of optional dictionary to {} (1 by jakearchibald)
    https://github.com/w3c/ServiceWorker/pull/1448 

  3 pull requests merged:
  - Clarify determination of active service worker and spec plan
    https://github.com/w3c/ServiceWorker/pull/1455 
  - Define service worker events
    https://github.com/w3c/ServiceWorker/pull/1452 
  - Set default value of optional dictionary to {}
    https://github.com/w3c/ServiceWorker/pull/1448 


Repositories tracked by this digest:
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* https://github.com/w3c/ServiceWorker