[markstos]

Not just a little iffy, it's more like "Nope, even if I get this working, this is not something I can recommend supporting for everyone on the team."

For business, it's a better deal to buy new Yubikeys that support FIDO2 then it is to support GPG on Yubikeys.

[Freak_NL]

Absolutely. We're trialling this for our SSH bastion server. The security keys don't need any setup at all, which makes it much easier to handle backups and replacements.