LGTM3 Assuming the spec PR will land before shipping?
On Wed, Jul 22, 2026 at 1:24 PM Vladimir Levin <[email protected]> wrote: > LGTM2 > > On Wed, Jul 22, 2026 at 4:09 PM Rick Byers <[email protected]> wrote: > >> Looks like a trivial webdriver-only addition to me. >> Spec PR seems to have broad support in the WG and is just waiting on a >> 2nd implementation commitment (not something our process should block on). >> >> LGTM1 >> >> On Wed, Jul 22, 2026 at 3:17 PM Nina Satragno <[email protected]> >> wrote: >> >>> *Contact emails* >>> [email protected] >>> >>> *Explainer* >>> https://github.com/w3c/webauthn/issues/2363 >>> >>> *Specification* >>> https://github.com/w3c/webauthn/pull/2382 >>> >>> *Summary* >>> The Web Authentication API specifies a series of webdriver commands to >>> support testing. These commands set up "virtual authenticators" that behave >>> as if they were connected to the user agent and can service WebAuthn >>> operations. https://github.com/w3c/webauthn/pull/2382 introduced two >>> changes related to signature counters: >>> * The Add Credential command can now take a null `signCount` parameter. >>> This specifies that the virtual authenticator will set the signature >>> counter to zero on every subsequent get assertion operation, matching the >>> behaviour of synced passkey providers. >>> * A new `signCount` parameter to the Set Credential Properties command >>> that lets callers override the signature counter on the authenticator to >>> test simulated duplicated authenticators. >>> >>> We are requesting permission to ship these webdriver-only changes. >>> Webdriver classic is a little special in that there doesn't seem to be a >>> sane way to flag guard the changes (and developers can set whatever flags >>> they want anyway!). Thus, in attempting to follow the exciting webdriver WP >>> launch process, we are asking for permission *before *landing any code. >>> >>> *Blink component* >>> Blink>WebAuthentication >>> <https://issues.chromium.org/issues?q=customfield1222907:%22Blink%3EWebAuthentication%22> >>> >>> *Web Feature ID* >>> N/A >>> >>> *Motivation* >>> Better support testing code that checks signature counters. >>> >>> *Initial public proposal* >>> https://github.com/w3c/webauthn/issues/2363 >>> >>> *Search tags* >>> webauthn <https://chromestatus.com/features#tags:webauthn>, webdriver >>> <https://chromestatus.com/features#tags:webdriver>, signature counter >>> <https://chromestatus.com/features#tags:signature%20counter> >>> >>> *TAG review* >>> N/A This is a small webdriver feature. >>> >>> *TAG review status* >>> Not applicable >>> >>> *Goals for experimentation* >>> No experimentation. >>> >>> *Risks* >>> >>> >>> *Interoperability and Compatibility* >>> Safari and Firefox both support the automation API. Firefox isn't very >>> active in the spec, but a webkit engineer has approved the spec change. >>> >>> *Gecko*: N/A Too small of a feature to wait for this. >>> >>> *WebKit*: N/A Too small of a feature to wait for this. >>> >>> *Web developers*: MasterKale@ (Duo / Cisco) authored the spec change. >>> >>> *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? >>> *No information provided* >>> >>> >>> *Debuggability* >>> This is a webdriver feature. >>> >>> *Will this feature be supported on all six Blink platforms (Windows, >>> Mac, Linux, ChromeOS, Android, and Android WebView)?* >>> No >>> On Chrome, the WebAuthn webdriver API is only supported on desktop. >>> >>> *Is this feature fully tested by web-platform-tests >>> <https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>?* >>> We'll land WPTs once the feature lands. I can't find any sane way to >>> flag-guard a webdriver classic change of this nature. >>> >>> *Flag name on about://flags* >>> None. >>> >>> *Finch feature name* >>> None. >>> >>> *Non-finch justification* >>> This is a webdriver feature. >>> >>> *Rollout plan* >>> Will ship enabled for all users >>> >>> *Requires code in //chrome?* >>> False >>> >>> *Tracking bug* >>> https://crbug.com/533056772 >>> >>> *Estimated milestones* >>> >>> 153 >>> >>> *Anticipated spec changes* >>> None. >>> >>> *Link to entry on the Chrome Platform Status* >>> https://chromestatus.com/feature/4812056424480768?gate=6110516641660928 >>> >>> This intent message was generated by Chrome Platform Status >>> <https://chromestatus.com/>. >>> >>> -- >>> Nina Satragno >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "blink-dev" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> To view this discussion visit >>> https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAB0jiomsDBgLmcFb-wKnMYiiD5YYGPKcecdAVS4ZnUOecX_9-g%40mail.gmail.com >>> <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAB0jiomsDBgLmcFb-wKnMYiiD5YYGPKcecdAVS4ZnUOecX_9-g%40mail.gmail.com?utm_medium=email&utm_source=footer> >>> . >>> >> -- >> You received this message because you are subscribed to the Google Groups >> "blink-dev" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To view this discussion visit >> https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAFUtAY9rGDvS7A%2BtqQFdK-L9zJHumDOT8P67BY8tM29CvchEiw%40mail.gmail.com >> <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAFUtAY9rGDvS7A%2BtqQFdK-L9zJHumDOT8P67BY8tM29CvchEiw%40mail.gmail.com?utm_medium=email&utm_source=footer> >> . >> > -- > You received this message because you are subscribed to the Google Groups > "blink-dev" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion visit > https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CADsXd2OHaU5aRC0Voc%3D88QDxJMkVUBnCwLoW5kFt8%3DBTXxrfFw%40mail.gmail.com > <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CADsXd2OHaU5aRC0Voc%3D88QDxJMkVUBnCwLoW5kFt8%3DBTXxrfFw%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "blink-dev" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion visit https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAOMQ%2Bw-b%3DP22sPjq%3DzZdb0XSBt_tak5FzOc2qcyu9VrNuedA-w%40mail.gmail.com.
