WebAuthn conditional mediation
Allows passkey suggestions to participate in a credential input flow without an immediate modal prompt.
Support in current browsers
Checked against the current browser versions recorded in MDN browser data 8.0.7.
| Browser | Minimum | Outcome | Reason |
|---|---|---|---|
| Chrome | 150 | Works | Every required mapped BCD feature is available without a recorded qualification. |
| Edge | 150 | Works | Every required mapped BCD feature is available without a recorded qualification. |
| Firefox | 152 | Works | Every required mapped BCD feature is available without a recorded qualification. |
| Safari | 26.5 | Works | Every required mapped BCD feature is available without a recorded qualification. |
| Chrome for Android | 150 | Works | Every required mapped BCD feature is available without a recorded qualification. |
| Firefox for Android | 152 | Works | Every required mapped BCD feature is available without a recorded qualification. |
| Safari on iOS | 26.5 | Works | Every required mapped BCD feature is available without a recorded qualification. |
| Android WebView | 150 | Not supported | At least one required mapped feature is not available at this browser baseline. |
| Samsung Internet | 29.0 | Works | Every required mapped BCD feature is available without a recorded qualification. |
What this feature can and cannot do
Helps protect against
- Phishing-prone password dependence
- Credential reuse
Does not guarantee
- Account recovery weaknesses
- Server-side authentication flaws
- Every phishing and social-engineering path
What you need before using it
- A complete WebAuthn flow
- Secure account recovery
- User-verification policy
Fallback to keep in place
Offer an explicit WebAuthn action and a carefully protected recovery path.