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Re: [webauthn] Remove unimplemented extensions (#1386)

From: Arshad Noor via GitHub <sysbot+gh@w3.org>
Date: Wed, 14 Jul 2021 11:56:06 +0000
To: public-webauthn@w3.org
Message-ID: <issue_comment.created-879828597-1626263764-sysbot+gh@w3.org>
Long history, Jan (@jpstotz). FIDO2/WebAuthn was intended to be a merger of the original FIDO U2F and UAF protocols - the former designed primarily for browser platforms on desktops/laptops, and the latter exclusively for mobile rich client applications. As standards groups inevitably show us, the effort resulted in a third protocol that includes some features of U2F and UAF - but not all.

The implementation page you referenced describes UAF implementations - they are the source of WebAuthn extensions which were defined in the L1 spec, but as W3C rules mandate, unless there are 2 confirmed, interoperable implementations, they cannot remain. Hence the debate about removing unimplemented extensions in L2.

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