Hello Mike,

Thank you for your feedback.

Regarding Gecko, I requested a Mozilla position on this emerging web
specification <https://github.com/mozilla/standards-positions/issues/1114>.

> Given that any capability can be omitted, do we expect {} to be
conforming, however unlikely (I think yes?)?

And yes, you're correct. Even though it's unlikely, we do expect an empty
set `{}` to be conforming.

Best,
Andrii


On Mon, Nov 18, 2024 at 7:43 PM Mike Taylor <miketa...@chromium.org> wrote:

> On 11/14/24 9:39 AM, 'Andrii Natiahlyi' via blink-dev wrote:
>
> Contact emails natiah...@google.com, a...@google.com
>
> Explainer None
>
> Specification https://w3c.github.io/webauthn/#sctn-getClientCapabilities
>
> Summary
>
> getClientCapabilities() method allows to determine which WebAuthn features
> are supported by the user's client. The method returns a list of supported
> capabilities, allowing developers to tailor authentication experiences and
> workflows based on the client's specific functionality.
>
>
> Blink component Blink>WebAuthentication
> <https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3EWebAuthentication>
>
> TAG review None
>
> It may be useful to send a non-blocking/FYI review here, since this is a
> flavor of feature detection.
>
>
> TAG review status Not applicable
>
> Risks
>
>
> Interoperability and Compatibility
>
> None
>
>
> *Gecko*: No signal
>
> Can we ask for one?
>
>
> *WebKit*: Shipped/Shipping (
> https://developer.apple.com/documentation/safari-release-notes/safari-17_4-release-notes#WebAuthn
> )
>
> *Web developers*: No signals
>
> *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?
>
> None
>
>
> Debuggability
>
> None
>
> This should probably be N/A - DevTools doesn't need anything special here.
>
>
>
> Will this feature be supported on all six Blink platforms (Windows, Mac,
> Linux, ChromeOS, Android, and Android WebView)? Yes
>
> Is this feature fully tested by web-platform-tests
> <https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>
> ? Yes
>
> https://wpt.fyi/results/webauthn/getclientcapabilities.https.html
>
> Given that any capability can be omitted, do we expect {} to be
> conforming, however unlikely (I think yes?)?
>
>
>
> DevTrial instructions
> https://docs.google.com/document/d/e/2PACX-1vR3yUwIFZ0LbKpJ6J4GBamP-IrBgkal3arJ_CZLbRZwBDhFTZpdpVYMsPuvB6Mjnl0heE-6r9wE7Sfw/pub
>
> Flag name on about://flags enable-experimental-web-platform-features
>
> Finch feature name WebAuthenticationClientCapabilities
>
> Requires code in //chrome? False
>
> Tracking bug https://g-issues.chromium.org/issues/360327828
>
> Availability expectation Safari has shipped an implementation already.
>
> Estimated milestones
> Shipping on desktop 133
> DevTrial on desktop 131
> Shipping on Android 133
> DevTrial on Android 131
> Shipping on WebView 133
>
> Anticipated spec changes
>
> Open questions about a feature may be a source of future web compat or
> interop issues. Please list open issues (e.g. links to known github issues
> in the project for the feature specification) whose resolution may
> introduce web compat/interop risk (e.g., changing to naming or structure of
> the API in a non-backward-compatible way).
> None
>
> Link to entry on the Chrome Platform Status
> https://chromestatus.com/feature/5128205875544064?gate=5206408640069632
>
> Links to previous Intent discussions Intent to Prototype:
> https://groups.google.com/a/chromium.org/g/blink-dev/c/Wb8VjXe_zT8
> Ready for Trial:
> https://groups.google.com/a/chromium.org/g/blink-dev/c/YTkGIdlQMAw
>
>
> This intent message was generated by Chrome Platform Status
> <https://chromestatus.com/>.
>
> --
>
> Andrii Natiahlyi
>
> Software Engineer
>
> natiah...@google.com
>
> Google Germany GmbH
>
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>
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>
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>
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>
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> .
>
>

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