0.21.0

Samples

• pubsub: correct emulator sample (#2254)

Dependencies

• use objenesis 2.6 (#2252)
• Unify proto-google-cloud-* and grpc-google-cloud-* dependencies, bump proto/grpc dependency to 0.1.14.
• Fixing dependency problems for consumers of google-cloud-java (#2284)

Translate

• support 'format' option for google translate api (#2253)

Storage

• Add user project options for requester pays flag (#2260) Alpha feature (behind whitelist)

Logging

• Adding @BetaApi to particular exception constructors (#2286)

Auto-generated clients

• Refactoring to allow multiple transports in GAPIC clients (#2156) widespread breaking change
  • Not affected:
    • Non-advanced calls to API methods (i.e. not using *Callable() methods)
    • Trivial instantiation of clients
  • Affected:
    • Catching exceptions that are thrown
    • Customized instantiation of clients
    • Advanced calls to API methods (i.e. using *Callable() methods)
  • Other notes:
    • This change adds *Stub classes for every API, which allows advanced calls to every API method for an API whether or not they are exposed on *Client classes (particularly relevant for Pub/Sub)