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current monterey 12.3.1 breaks the current gpg/scdaemon/whatever in nixpkgs with an "gpg: OpenPGP card not available: Operation not supported by device".
this sucks bad because this is the only way i can authenticate to anything via ssh.
fix is here if anyone is interested
https://superuser.com/questions/1702899/gpg-periodically-loses-connection-to-yubikey-on-monterey