Release Notes for Service Worker in Chrome 44

[Matt Falkenhagen]

Here is a list of changes that pertain to Service Worker in Chrome 44, which is the current Beta channel.

New capabilities:

• Support for Request.context (bug, spec).

API changes:

• FetchEvent now inherits from ExtendableEvent and has a constructor (bug, spec).

• For security purposes, opaque responses can no longer be used in response to client requests (bug, spec discussion).

• The InstallEvent interface has been removed. The interface for the ‘install’ event has changed from InstallEvent to ExtendableEvent (bug, spec discussion).

Improvements:

• Service Workers are now exposed in Chrome’s “Cookies set by this page” UI. Now users can see when their content settings allow or block Service Workers (bug).

• Improve Service Worker startup success rate and fall back to network when it fails for a main resource load (bug).

DevTools related: (Note: I recommend using Dev channel or Canary for the latest DevTools experience)

• Add the ‘--unsafely-treat-insecure-origin-as-secure’ command-line option for easier local development when using powerful features that require secure contexts (bug). Example: $ ./chrome --user-data-dir=/tmp/foo --unsafely-treat-insecure-origin-as-secure=http://your.insecure.site

• Support for deleting individual Cache Storage entries (bug).

• Cache Storage is now inspectable from all frames, not just Service Worker (bug).

• Fix a bug where console logging from a Service Worker in a regular window appears in an incognito window’s console (bug).

• Exceptions from inside waitUntil() or respondWith() are now reported in the Service Worker console (bug).

• To get a sneak peek of a “Service Worker explorer UI” we’re working on (experimental, UX reword underway but feedback still welcome), see these slides.

Bug fixes:

• Fix a bug where Service Worker can get stuck in the STOPPING state (bug).

• The full list of fixes is here.

[Hiroki Nakagawa]

2015-07-10 11:23 GMT+09:00 Matt Falkenhagen <fal...@chromium.org>:

Here is a list of changes that pertain to Service Worker in Chrome 44, which is the current Beta channel.

New capabilities:

• Support for Request.context (bug, spec).

• Support for Cache.add() (dashboard, spec)

 

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