  <p>
    <em>This section describes the status of this document at the time of its publication. Other
    documents may supersede this document. A list of current
    <abbr title="World Wide Web Consortium">W3C</abbr> publications and the latest revision of this
    technical report can be found in the
    <a href="http://www.w3.org/TR/"><abbr title="World Wide Web Consortium">W3C</abbr> technical
    reports index</a> at http://www.w3.org/TR/.</em>
  </p>
  <p>
    For the Web Authentication specification to move to Proposed Recommendation we must show two independent, interoperable
    implementations of the Web Authentication API in browsers. We will also have multiple interoperable implementations of the AppID
    extension, validating the extensions framework. All other extensions are "at risk". If there are not multiple interoperable
    implementations, each may independently be removed or made informative at Proposed Recommendation.
  </p>
  <p>
    We have had two informal interoperability tests with implementations in three browsers. There is no preliminary implementation 
    report at this time.
  </p>
  <p>
    This document was published by the <a href="https://www.w3.org/webauthn/">Web Authentication Working Group</a>
    as a Working Draft. This document is intended to become a W3C Recommendation.

    Feedback and comments on this specification are welcome. Please use
    <a href="https://github.com/w3c/webauthn/issues">Github issues</a>.
    Discussions may also be found in the
    <a href="http://lists.w3.org/Archives/Public/public-webauthn/">public-webauthn@w3.org archives</a>.
  </p>
  <p>
    Publication as a Working Draft does not imply endorsement by the
    <abbr title="World Wide Web Consortium">W3C</abbr> Membership. This is a draft document and may
    be updated, replaced or obsoleted by other documents at any time. It is inappropriate to cite
    this document as other than work in progress.
  </p>
  <p>
    This document was produced by a group operating under the
    <a href="http://www.w3.org/Consortium/Patent-Policy/">
    <abbr title="World Wide Web Consortium">W3C</abbr> Patent Policy</a>.
    <abbr title="World Wide Web Consortium">W3C</abbr> maintains a
    <a href="https://www.w3.org/2004/01/pp-impl/87227/status" rel="disclosure">public list of any
    patent disclosures</a> made in connection with the deliverables of the group; that page also
    includes instructions for disclosing a patent. An individual who has actual knowledge of a
    patent which the individual believes contains
    <a href="http://www.w3.org/Consortium/Patent-Policy/#def-essential">Essential
    Claim(s)</a> must disclose the information in accordance with
    <a href="http://www.w3.org/Consortium/Patent-Policy/#sec-Disclosure">section 6 of the
    <abbr title="World Wide Web Consortium">W3C</abbr> Patent Policy</a>.
  </p>
  <p>
    This document is governed by the <a id="w3c_process_revision" href="https://www.w3.org/2019/Process-20190301/">1 March 2019 W3C Process Document</a>.
  </p>

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