- Removed one-time token behavior from
jwt.Credentials
, audience claim is now required and fixed. (#117) crypt.Signer
andcrypt.Verifier
are now abstract base classes. The concrete implementations have been renamed tocrypt.RSASigner
andcrypt.RSAVerifier
.app_engine.Signer
andiam.Signer
now inherit fromcrypt.Signer
. (#115)transport.grpc
now correctly callsCredentials.before_request
. (#116)