api.PublicKeyCredential - should be supported in WebView

[nsatragno]

What type of issue is this?

Incorrect support data (example: BrowserX says "86" but support was added in "40")

What information was incorrect, unhelpful, or incomplete?

PublicKeyCredential support on android webview should match Chrome for Android. Android webview is incorrectly marked as "not supported".

What browsers does this problem apply to, if applicable?

Chromium (Chrome, Edge 79+, Opera, Samsung Internet)

What did you expect to see?

Android WebView should be marked as supporting all PublicKeyCredential APIs as Chrome for Android.

Did you test this? If so, how?

I work on the Chrome WebAuthn team.

Can you link to any release notes, bugs, pull requests, or MDN pages related to this?

Android docs: https://developer.android.com/identity/sign-in/credential-manager-webview

Do you have anything more you want to share?

You should add a note that on webview, apps are only allowed to claim relying party identifiers that they have a proven relationship with through asset links.

Feel free to reach out if you have any questions.

MDN URL

https://developer.mozilla.org/en-US/docs/Web/API/PublicKeyCredential

MDN metadata

MDN page report details

• Query: api.PublicKeyCredential
• Report started: 2026-04-10T19:46:06.566Z

[caugner]

Thanks for reporting.

@nsatragno Are you able to confirm that for all features listed in the compat table, the feature is available in WebView Android since it has been available in Chrome Android?

If that is the case, then the straight-forward fix is to replace all occurrences of

"webview_android": {
  "version_added": false
},

in api/PublicKeyCrednetial.json with

"webview_android": "mirror",

Starting here:

browser-compat-data/api/PublicKeyCredential.json

Lines 43 to 45 in 6033f3a

	"webview_android": {
	"version_added": false
	},

[nsatragno]

Thank you for the quick response.

Support was enabled in M131 for all features on the table. Note that conditional mediation (i.e. the autofill integration) is not yet supported. I'm not sure how you want to reflect that on the table, since isConditionalMediationAvailable() is present, but it returns false.