0.20.1

Dependencies

• gRPC 1.2.0 -> 1.4.0
• Protocol Buffer: 3.2.0 -> 3.3.0

Pubsub

• Reduce number of calls to GetSubscription when creating new Subscribers (#2127)

Storage

• Avoid infinite loop while walking directories (#2124)

Translation

• Discourage the use of API Key (#2147)

All autogenerated clients

• New LRO implementation (#2164)