Firefox 139 supports Pseudo-random function extension (prf) in CredentialsContainer
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hamishwillee
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May 19, 2025
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CredentialsContainer
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It looks like Chrome already supports it, and Safari tracks it.
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That seems to contradict https://chromiumdash.appspot.com/commit/9b8e20e8c56b9e193d7e961e546e2c44b21094a1, confirmed by the Intent to Ship thread. @foolip Is Chrome Platform Status outdated for WebAuthn PRF extension, or am I missing something important here? |
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Thanks @caugner - I accepted all your changes. |
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The PRF extension in spec here (and explainer here) is supported in desktop on FF139. The explanation of FF support is a bit more complex - see https://bugzilla.mozilla.org/show_bug.cgi?id=1935280#c5 - and is now captured by this subfeature.
This is not implemented in chrome according to https://chromestatus.com/feature/5138422207348736
This is supposed to be implemented in Safari according to https://medium.com/@corbado_tech/automatic-passkey-upgrade-prf-extension-related-origins-18667123006f but latest info I can find from April says it isn't - see Apple forum info here https://developer.apple.com/forums/thread/774112
This is related to work in mdn/content#39302