Re: [w3c/ServiceWorker] _Update algorithm should unregister SW on 404 and 410 errors (#204)

F2F: Facebook & Google servers will occasionally 404 due to bugs and do not want service workers to disappear because of this.

Service worker offers you enough tools & headers to see what's happening.

Jake promises never to bring this up again.

If we want to look at this in future, it should be in the form of an `updatefailure` event or some-such, that developers could use to monitor updates and unregister the service worker themselves if they get a series of 404s in a row.

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Received on Tuesday, 7 November 2017 23:26:34 UTC