Hello,
FedCM has been in the origin trial since M101 only on the Android platform. 
As part of the ongoing origin trial, we expand FedCM to desktop as well 
with M103. 
Could you please help us understand if we need a new I2E for desktop 
support?
Thank you,
Kaan
On Wednesday, March 23, 2022 at 1:20:38 AM UTC-4 yoav...@chromium.org wrote:

> LGTM to experiment till M105 (inclusive)
>
> On Monday, March 21, 2022 at 5:06:17 PM UTC+1 Sam Goto wrote:
>
>> Contact emails
>>
>> go...@google.com 
>>
>> Explainer
>>
>> https://github.com/fedidcg/FedCM/blob/main/explainer.md
>>
>> Specification
>>
>> https://fedidcg.github.io/FedCM/
>>
>> Summary
>>
>> A Web Platform API that allows users to login to websites with their 
>> federated accounts in a manner compatible with improvements to browser 
>> privacy.
>>
>> In this origin trial, we are interested in experimenting with an account 
>> chooser for federated accounts, which we expect to be a foundational 
>> infrastructure for the Web going forward.
>>
>> Blink component
>>
>> Blink > Identity > FedCM 
>> <https://bugs.chromium.org/p/chromium/issues/list?q=component%3ABlink%3EIdentity%3EFedCM&can=2>
>>
>> TAG review
>>
>> Spec review: https://github.com/w3ctag/design-reviews/issues/718 
>>
>> Early review: https://github.com/w3ctag/design-reviews/issues/622  
>>
>> TAG review status
>>
>> Pending
>>
>> Risks
>> Interoperability and Compatibility
>>
>>                 Zero compatibility risk (new API)
>>
>> Interoperability risk not yet known, currently working on getting formal 
>> signals.
>>
>> Gecko: No Signals. standards position filed 
>> <https://github.com/mozilla/standards-positions/issues/618> 
>>
>> WebKit: No Signals. standards position filed 
>> <https://lists.webkit.org/pipermail/webkit-dev/2022-March/032153.html>
>>
>> Web developers: No signals. We have been proactively working with 
>> Identity Providers and expect much of the origin trial experimentation to 
>> be a determining factor on their position.
>>
>> Other signals: No signals. This API is being developed within the FedID 
>> CG with attendance of identity providers, browser vendors and standards 
>> experts. We are working on a community report https://github.com/fedidcg.
>>
>> Activation
>>
>>   We made a deliberate and concerted effort to make as many backwards 
>>
>> compatible changes as we possibly could to facilitate the adoption of 
>> FedCM. 
>>
>> When it wasn’t possible, we favored changes impacting Browsers and 
>> Identity 
>>
>> Providers and reduced changes impacting websites and users.
>>
>>   So far, we think we maintained backwards compatibility with website’s 
>> server-
>>
>> side Infrastructure, which we expect to be a meaningful activation lever.
>>
>> We believe we found a structure that would make it easy for websites to 
>> adopt, but that's one of the risks that we are trying to mitigate as soon 
>> as we possibly can as part of the origin trial.
>>
>> 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?
>>
>> This API does not deprecate or change behavior of existing APIs.
>>
>>
>> Goals for experimentation
>>
>> To learn about:
>>
>>
>>    - 
>>    
>>    requirements: what aspects of federated identity are going to be 
>>    affected by phasing out third party cookies?
>>    - 
>>    
>>    demand: who is going to be affected? and how important is it for them?
>>    - 
>>    
>>    deployment viability: is it a practical solution?
>>    - 
>>    
>>    user acceptance: does our implementation perform well with users?
>>    
>>
>> Ongoing technical constraints
>>
>> The following are current technical constraints that we expect to resolve 
>> as we go along (i.e. we are actively working on these known constraints):
>>
>>
>>    - 
>>    
>>    Android only implementation (here 
>>    <https://bugs.chromium.org/p/chromium/issues/detail?id=1296263> is 
>>    the desktop implementation tracking bug)
>>    - 
>>    
>>    Only ID tokens provided, no access or refresh tokens (access tokens 
>>    <https://github.com/fedidcg/FedCM/pull/208> PR in progress)
>>    - 
>>    
>>    Front-channel logout designed and implemented, but disabled for 
>>    origin trials (HOWTO 
>>    <https://github.com/fedidcg/FedCM/blob/main/explorations/HOWTO.md> 
>>    try it)
>>    - 
>>    
>>    Only available in top level frames 
>>    
>>
>> Debuggability
>>
>> Basic devtools integration supported. More to come as we learn.
>>
>> https://github.com/fedidcg/FedCM/blob/main/explorations/HOWTO.md
>>
>> https://bugs.chromium.org/p/chromium/issues/detail?id=1291653
>>
>>
>> Will this feature be supported on all six Blink platforms (Windows, Mac, 
>> Linux, Chrome OS, Android, and Android WebView)?
>>
>> No
>>
>> We expect the feature to be available on all platforms (Windows, Mac, 
>> Linux, ChromeOS and Android) except WebView. The current implementation is 
>> currently only supported on Android, with Desktop 
>> (Windows/Mac/Linux/ChromeOS) coming before our I2S.
>>
>> Is this feature fully tested by web-platform-tests 
>> <https://chromium.googlesource.com/chromium/src/+/master/docs/testing/web_platform_tests.md>
>> ?
>>
>> Yes 
>> <https://source.chromium.org/chromium/chromium/src/+/main:third_party/blink/web_tests/external/wpt/credential-management/fedcm.https.html?q=file:wpt%20fedcm&ss=chromium>
>> .
>>
>> DevTrial instructions
>>
>> https://github.com/fedidcg/FedCM/blob/main/explorations/HOWTO.md
>>
>> Flag name
>>
>>  chrome://flags/#fedcm
>>
>> Requires code in //chrome?
>>
>> True
>>
>> Tracking bug
>>
>> You can track our progress here:
>>
>> https://chromium-review.googlesource.com/q/hashtag:FedCM+is:merged
>>
>> Launch bug
>>
>> https://bugs.chromium.org/p/chromium/issues/detail?id=1216142
>>
>> Measurement
>>
>> kFederatedCredentialManagement
>>
>> Estimated milestones
>>
>> OriginTrial - Android
>>
>> 101-105
>>
>> Origin Trial - Desktop 
>>
>> 102-105
>>
>> DevTrial on android
>>
>> 98
>>
>> Link to entry on the Chrome Platform Status
>>
>> https://chromestatus.com/feature/6438627087220736
>>
>> Links to previous Intent discussions
>>
>>    - 
>>    
>>    Intent to prototype 
>>    
>> <https://groups.google.com/a/chromium.org/g/blink-dev/c/2B4TJ7j2U4M/m/1X5T3OszCAAJ>
>>    - 
>>    
>>    Ready for Trial 
>>    <https://groups.google.com/a/chromium.org/g/blink-dev/c/jlV_1m7uUAg>
>>    
>>
>> This intent message was generated by Chrome Platform Status 
>> <https://chromestatus.com/>.
>>
>

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