That's perfectly fine. No need for an LGTM for such changes, but thanks for 
notifying the thread! :)

On Friday, August 13, 2021 at 1:51:43 AM UTC+2 Noah Lemen wrote:

> We ended up needing to make more changes to support enabling the feature 
> via origin trial: 
> https://chromium-review.googlesource.com/c/chromium/src/+/3061699
>
>  
>
> It will be in 94. We will now need to change the OT timeline to M94-M97 
> since we cannot experiment prior to 94.
>
>  
>
> *From: *Yoav Weiss <[email protected]>
> *Date: *Wednesday, July 28, 2021 at 7:06 AM
> *To: *Noah Lemen <[email protected]>
> *Cc: *[email protected] <[email protected]>, Noah Lemen <
> [email protected]>
> *Subject: *Re: [blink-dev] Intent to Experiment: Service Worker 
> subresource filter
>
> LGTM to experiment M92-M95
>
>  
>
> On Wed, Jul 28, 2021 at 12:40 AM Noah Lemen <[email protected]> wrote:
>
> We want to experiment from M92 to M95. Facebook is the only web property I 
> am aware of planning to experiment with this. 
>
>  
>
> URLPattern seems like a strong option as a more permanent API shape 
> providing this functionality in the future. In the short-term as we're only 
> looking to collect performance data to understand the value of this 
> functionality I'm not sure URLPattern relates yet. If the experiment is 
> fruitful and we move forward with designing something that can ship widely, 
> URLPattern seems like a very articulate way to express URL matching and 
> should definitely be considered.
>
>  
>
> Makes sense!
>
>  
>
> On Monday, July 26, 2021 at 6:27:55 AM UTC-4 [email protected] wrote:
>
> Also, how does this effort relate to URLPattern 
> <https://groups.google.com/a/chromium.org/g/blink-dev/c/WitVII_BzyU>?
>
>  
>
> On Sun, Jul 25, 2021 at 3:45 PM Yoav Weiss <[email protected]> wrote:
>
> What are the desired timelines for experimentation? Are there other 
> web properties that plan to experiment, or is Facebook the only one? 
>
>  
>
> On Fri, Jul 23, 2021 at 6:04 PM 'Noah Lemen' via blink-dev <
> [email protected]> wrote:
>
> Contact emails 
>
> [email protected], [email protected]
>
>  
> Explainer 
>
> https://github.com/w3c/ServiceWorker/issues/1584
>
>  
> Specification 
>
> https://github.com/w3c/ServiceWorker/issues/1584
>
>  
> Summary 
>
> Allows control over what requests are intercepted by Service Worker fetch 
> events. By setting a Service-Worker-Subresource-Filter HTTP header on the 
> document to some string, only requests which contain a fragment containing 
> the value of the header string will be intercepted. When not set, Service 
> Workers will intercept all requests, as normal.
>
>  
> Blink component 
>
> Blink>ServiceWorker 
> <https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3EServiceWorker>
>
>  
> TAG review 
>
> https://github.com/w3ctag/design-reviews/issues/630
>
>  
> TAG review status 
>
> Resolved as “too early”. TAG review to continue post-experimentation.
>
>  
> Risks 
>
> Risks are minimal as this API is not intended to be shipped as-is
>
>  
> Interoperability and Compatibility 
>
> In its current state, the API will not ship. We plan to experiment with a 
> simple API first to verify that an API with this functionality will be 
> worthwhile. If the experiment indicates that an API of this nature would be 
> valuable, we will then move forward with implementing the API in a more 
> robust form. The experiment is intended only for gathering performance data.
>
>  
>
> *Gecko*: No signal
>
>  
>
> *WebKit*: No signal
>
>  
>
> *Web developers*: Positive 
>
> Facebook is interested in using this API in multiple web apps if the 
> experiment is successful
> Goals for experimentation 
>
> In this experiment, we hope to observe that using the subresource filter 
> allows a site (in particular we’re planning to experiment on facebook.com) 
> to cache a specified subset of its resources via a Service Worker without 
> adding overhead to other requests. 
>
>  
> Ongoing technical constraints 
>
> None
>
>  
> Debuggability 
>
> Devtools Network tab correctly indicates which requests are intercepted 
> (via the is:service-worker-intercepted filter) by the Service Worker when 
> the subresource filter is in effect.
>
>  
> Will this feature be supported on all six Blink platforms (Windows, Mac, 
> Linux, Chrome OS, Android, and Android WebView)? 
>
> Yes
>
> Feature is supported anywhere Service Workers are supported
> Is this feature fully tested by web-platform-tests 
> <https://chromium.googlesource.com/chromium/src/+/master/docs/testing/web_platform_tests.md>
> ? 
>
> No
>
>  
> Flag name 
>
> --service-worker-subresource-filter
> Requires code in //chrome? 
>
> False
>
>  
> Tracking bug 
>
> https://bugs.chromium.org/p/chromium/issues/detail?id=1202160
>
>  
> Link to entry on the Chrome Platform Status 
>
> https://www.chromestatus.com/feature/6015753541124096
>
>  
> Links to previous Intent discussions 
>
> Intent to prototype: 
> https://groups.google.com/a/chromium.org/g/blink-dev/c/uEcgVgTJ5qA
>
>  
>
> This intent message was generated by Chrome Platform Status 
> <https://www.chromestatus.com/>.
>
>  
>
>  
>
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>
>

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