Closed as there already are existing Feature Requests for
-
allowing more than 5 FIDO2-2FA keys:
Support more than 5 FIDO2/WebAuthn 2FA-"passkeys" -
allow naming Yubico OTP-keys:
YubiKey naming in two-factor "Yubico OTP Security Key" settings
And as stated by others before, you can already remove FIDO2-2FA keys in the web vault.