GnuPG supports Curve 25519: https://gist.github.com/jmgrosen/5e646d6a6624c0d0e45f241be21...
However, perhaps you're referring to the OpenPGP Smart Card spec, which does indeed lack support for Curve 25519 and EdDSA.
However, perhaps you're referring to the OpenPGP Smart Card spec, which does indeed lack support for Curve 25519 and EdDSA.
I wish the spec would be updated to include them...