FIDO U2F tokens Web Browsers compatibilty

Question

I\'m trying to integrate U2F Authentication in GWT project and I need to know if is this solution compatible with all new web browsers (Firefox

Answer 1

1. Google Chrome: out-the-box since Chrome 41 (no extension required) https://support.google.com/accounts/answer/6103523?hl=en
2. Internet Explorer: "in development" https://dev.modern.ie/platform/status/fido20webapis/
3. Mozilla Firefox: popular feature request https://bugzilla.mozilla.org/show_bug.cgi?id=1065729