Comment 11 for bug 1733002

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In , Dwaite-b (dwaite-b) wrote :

FWIW, Edge has no intention to support U2F and only support WebAuthn.

The U2F JavaScript API unfortunately doesn't fully document how to get access to the objects needed to use the MessagePort and u2f interface API.

U2F supports CTAP1 devices, while WebAuthn supports CTAP1 and CTAP2 devices.

There is an extension for WebAuthn to work with existing U2F registrations (such as those created via another browser, or the Safari App Extension) with the new API, so that users can still authenticate when a site upgrades from using the U2F to WebAuthn javascript interfaces.