[w3ctag/design-reviews] Incubation: WebAuthn Conditional UI without Autofill (Issue #1291)

kenrb created an issue (w3ctag/design-reviews#1291)

### Explainer

https://github.com/w3c/webauthn/blob/main/explainers/conditional-ui-without-autofill.md

### The explainer

- [x] Includes the information requested by the [Explainer Explainer](https://w3ctag.github.io/explainer-explainer/#introduction).
- [x] Follows the [Web Platform Design Principles](https://www.w3.org/TR/design-principles/).
- [ ] Includes or links to answers to the [Security/Privacy Questionnaire](https://www.w3.org/TR/security-privacy-questionnaire/).
- [ ] Describes user research you did to validate the problem and/or design.

### Where and by whom is the work is being done?

- GitHub repo: https://github.com/w3c/webauthn
- Primary contacts:
  - @kenrb, Google Chrome

- Organization/project driving the design: Google Chrome

- Incubation and standards groups that have discussed the design:
  - [WebAuthn WG Issue](https://github.com/w3c/webauthn/issues/2144)

- Standards group(s) that you expect to discuss and/or adopt this work when it's
  ready: None


### Feedback so far

- Multi-stakeholder feedback:
  - Chromium comments: None (developing feature)
  - Mozilla comments: Standards position request TBD
  - WebKit comments:  https://github.com/WebKit/standards-positions/issues/729

- Major unresolved issues with or opposition to this design:
There has been no voiced opposition to the addition of this feature. There is active discussion about the nature of the UI that will be shown by browsers when this is invoked. Specs are not typically prescriptive about UI but we consider it important that there be some consistency across major browsers.

### You should also know that...

The Security and Privacy questionnaire is not linked in the explainer but [one exists](https://github.com/kenrb/webauthn/blob/Security-reviews/explainers/conditional_ui_without_autofill_security_questionnaire.md).

Draft PR: https://github.com/w3c/webauthn/pull/2485

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Received on Friday, 9 October 2026 22:27:01 UTC