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Known SPC requests

smcgruer@google.com

2 of 5

Feature / Request

Approx effort level required

Allow SPC call without user activation

Done! (M118)

SPC support for device-binding extension

Done! (M120)

Support for userVerification=discouraged

Low

Card art icon is too small

Moderate

Fallback UX improvements

High

Issuer and card network iconography

Moderate

Support cross Android app/web flows (e.g., native SPC on Android)

High / Very High

[Windows] Allow use of normal WebAuthn credentials for first-party SPC

Moderate

[MacOS] Allow use of normal WebAuthn credentials for first-party SPC

Moderate

Requests

3 of 5

Feature / Request

Approx effort level required

Support Roaming Authenticators

Moderate / High

Support Hybrid Authenticators

Moderate / High

Minor experimental UX tweaks (e.g., experimenting with different text strings)

Very low!

Remove/change primary iconography on SPC dialog

Moderate

Show RP origin in SPC authn dialog

Low

Support recurring payments in SPC

High

Support non-payment use cases in SPC

High

Requests

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Feature / Request

Primary Deciding Party

[Windows] Authenticator-level support for thirdPartyPayment bit

Microsoft

[MacOS] Authenticator-level support for thirdPartyPayment bit

Apple

[MacOS/iOS] Safari/WebKit support for SPC

Apple

Ability to require biometrics for an authentication

WebAuthn/FIDO

Attestation from authenticators

WebAuthn/FIDO/Authenticators

Ability to know what authentication method was used by the authenticator

WebAuthn/FIDO

Combine SPC transaction screen with FIDO biometric unlock in one screen

Platform Authenticators

Get platform authenticator dialogs to stop saying "sign in"

Platform Authenticators

Requests outside our (direct) control

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Our requests to the WG

  • Help us stack rank these!�
  • Which of these are a priority to you, and how critical are they?
    • (Criticality => nice to have, impairs adoption, blocks/heavily impairs adoption)�
  • Have we missed any?