Webauthn aka Passkeys support for Selenium - need a hand?

I should have proof of concept Passkeys/Webauthn implementation for SeleniumLibrary done in few days. Implementation is working towards https://webauthn.io

Do you happen to have a usecase where would you would need one ? Before actual release, i’d like to get feedback and possible get to know your usecases…

For now; my poc code can register and authenticate against following example websites;