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Firefox supports U2F. Webauthn is backwards-compatible with U2F. However as a website you can choose whether you want to actually support U2F or only FIDO2. M
by arianvanp 4y ago
Firefox supports U2F. Webauthn is backwards-compatible with U2F. However as a website you can choose whether you want to actually support U2F or only FIDO2. Maybe Apple opted to not do it.
However when I look at the JS code in appleid.apple.com there does seem to be code for U2F code surprisingly.