YubiKey is at least supported, but only because it also functions as a pgp smartcard. You can load you pgp private keys on the yubikey and then all decryption will only be done on the Yubikey itself.
Sorry I missed this message. Thanks! I'm now getting a yubi 5.
I'm not sure but it would come down to if openpgp supports that.
I didn't read everything but it seems pretty comprehensive.
Yeah, I just tried googling again. I think last time I indexed too heavily on if pass supported this, now I see I just need to setup openpgp. That sounds promising. Thanks!