Hello again - we'd like to request another OT extension, through M130 
inclusive. As a demonstration of progress, we have:

   - Opened a spec PR <https://github.com/privacycg/storage-access/pull/206>
   - Requested formal position signals from Firefox 
   <https://github.com/mozilla/standards-positions/issues/1065> and WebKit 
   <https://github.com/WebKit/standards-positions/issues/390>
   - Written WPTs <https://github.com/web-platform-tests/wpt/pull/47728>
   - Requested TAG review 
   <https://github.com/w3ctag/design-reviews/issues/992>


On Wednesday, July 24, 2024 at 2:39:32 PM UTC-4 Mike Taylor wrote:

> On 7/24/24 8:06 PM, Chris Fredrickson wrote:
>
> My apologies, I misunderstood the process here. I hereby formally request 
> an extension for this OT, through M129 :)
>
> Thanks, I formally LGTM the request to M129 inclusive. :)
>
> Re: the OT dashboard, I've already requested an OT extension through the 
> chromestatus entry; I believe the OT dashboard will be updated to reflect 
> that once the OT team approves that request.
>
> Great - I think the OT team typically chases down LGTMs - so you should be 
> set now.
>
>
> Chris
>
> On Wednesday, July 24, 2024 at 1:52:53 PM UTC-4 Mike Taylor wrote:
>
>> Hey Chris,
>>
>> Per the process, you'll need to formally request an extension, rather 
>> than treat this as an FYI.
>>
>> (Also, I just double checked and 
>> https://developer.chrome.com/origintrials/#/register_trial/4008766618313162753
>>  
>> is only available until M127. Note there's a 2 month "grace period" where 
>> it will continue to work for users on 126 or 127 that haven't upgraded to 
>> M128 or higher - but it should not work in 128 or 129.)
>>
>> thanks,
>> Mike
>> On 7/24/24 4:03 PM, Chris Fredrickson wrote:
>>
>> FYI, we're going to extend this OT another 2 milestones, to 129 
>> inclusive. (Existing OT tokens will still work, they won't expire IIUC.)
>>
>> On Tuesday, May 7, 2024 at 11:02:03 AM UTC-4 Mike Taylor wrote:
>>
>>> LGTM to experiment from 126 to 127 inclusive.
>>> On 5/7/24 10:52 AM, Chris Fredrickson wrote:
>>>
>>> Contact emails
>>>
>>> joha...@chromium.org, cfre...@chromium.org, yi...@chromium.org
>>>
>>> Explainer
>>>
>>> https://github.com/explainers-by-googlers/storage-access-for-fedcm
>>>
>>> Specification
>>>
>>> None (TBD)
>>>
>>> Summary
>>>
>>> Reconciles the FedCM and Storage Access APIs by making a prior FedCM 
>>> grant a valid reason to automatically approve a storage access request.
>>>
>>> When a user grants permission for using their identity with a 3rd party 
>>> Identity Provider (IdP) on a Relying Party (RP), many IdPs require 
>>> third-party cookies to function correctly and securely. This proposal aims 
>>> to satisfy that requirement in a private and secure manner by updating the 
>>> Storage Access API (SAA) permission checks to not only accept the 
>>> permission grant that is given by a storage access prompt, but also the 
>>> permission grant that is given by a FedCM prompt.
>>>
>>> A key property of this mechanism is limiting the grant to cases 
>>> explicitly allowed by the RP via the FedCM permissions policy, enforcing a 
>>> per-frame control for the RP and preventing passive surveillance by the IdP 
>>> beyond the capabilities that FedCM already grants, as outlined in the 
>>> Privacy 
>>> Considerations 
>>> <https://github.com/explainers-by-googlers/storage-access-for-fedcm?tab=readme-ov-file#privacy-considerations>
>>> .
>>>
>>>
>>> Blink component
>>>
>>> Blink>StorageAccessAPI
>>>
>>> TAG review
>>>
>>> None
>>>
>>> TAG review status
>>>
>>> N/A
>>>
>>> Risks
>>>
>>>
>>> Interoperability and Compatibility
>>>
>>> None
>>>
>>>
>>>
>>> Gecko: No public signals, positive initial signals 
>>> <https://docs.google.com/document/d/1jxqW4kvGdclIWsOlWMXWLGpwu1wOorST2Ol6vJKAjDE/edit#heading=h.y0ecc5cfr86n>.
>>>  
>>> We will request a formal position.
>>>
>>> WebKit: No signal. We will request a formal position.
>>>
>>> Web developers: Positive <https://github.com/fedidcg/FedCM/issues/467>
>>>
>>> Other signals:
>>>
>>> WebView application risks
>>>
>>> Does this intent deprecate or change behavior of existing APIs, such 
>>> that it has potentially high risk for Android WebView-based applications?
>>>
>>> N/A, not shipping on Android WebView.
>>>
>>> Goals for experimentation
>>>
>>> Evaluate the implementation, and the usability of the feature to ensure 
>>> it adequately solves the problem.
>>>
>>> Ongoing technical constraints
>>>
>>> None
>>>
>>> Debuggability
>>>
>>> None
>>>
>>> Will this feature be supported on all six Blink platforms (Windows, Mac, 
>>> Linux, ChromeOS, Android, and Android WebView)?
>>>
>>> No. It will not be supported in Android WebView.
>>>
>>> Is this feature fully tested by web-platform-tests?
>>>
>>> No. The implementation is primarily in permissions code in //chrome, 
>>> which cannot be tested in WPTs since WPTs use a fake permission manager 
>>> <https://crsrc.org/c/content/web_test/browser/web_test_permission_manager.h;drc=33b441e83b1f70381158fcafb0ecde9168b79524;l=28>
>>>  
>>> in Chromium.
>>>
>>> Flag name on chrome://flags
>>>
>>> #fedcm-with-storage-access-api
>>>
>>> Finch feature name
>>>
>>> FedCmWithStorageAccessAPI
>>>
>>> Non-finch justification
>>>
>>> None
>>>
>>> Requires code in //chrome?
>>>
>>> True
>>>
>>> Estimated milestones
>>>
>>> M126 through M127 (inclusive).
>>>
>>>
>>> Link to entry on the Chrome Platform Status
>>>
>>> https://chromestatus.com/feature/5116478702747648
>>>
>>> Links to previous Intent discussions
>>>
>>> Intent to prototype: 
>>> https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAD_OO4iogs7O60r0YcVnDB5aCvs9WUYjWFcuHqcFi5bXLRBOig%40mail.gmail.com
>>>
>>> This intent message was generated by Chrome Platform Status.
>>>
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>>>  
>>> <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/9a75fe74-ca55-4ddc-93d7-120adfdee49en%40chromium.org?utm_medium=email&utm_source=footer>
>>> .
>>>
>>>

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