When can I use ssh public key type like ed25519-sk and ecdsa-sk

ed25519-sk and ecdsa-sk are newly supported public key types in OpenSSH 8.2 for MFA devices. see How to secure your SSH server with public key Ed25519 Elliptic Curve Cryptography. but I can not use them in github.com yet. May I ask when I can use these types of SSH pubic key? 

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Hi @shawnzhu,

Thanks for this feedback! We’re always working to improve GitHub, and we consider every suggestion we receive. I’ve logged your feature request in our internal feature request list. Though I can’t guarantee anything or share a timeline for this, I can tell you that it’s been shared with the appropriate teams for consideration.

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Seconded. I would prefer to use this key type as well in order to take advantage of the 2fa options it includes.