- Add support for upcoming dead letter topics feature
- Expose Subscription.ReceiveSettings.MaxExtensionPeriod setting
- Standardize default settings with other client libraries
- Increase publish delay threshold from 1ms to 10ms
- Increase subscription MaxExtension from 10m to 60m
- Always send keepalive/heartbeat ping on StreamingPull streams to minimize stream reopen requests
- Limit default grpc connections to 4.
- Fix issues with OpenCensus metric for pull count not including synchronous pull messages.
- Fix issue with publish bundle size calculations.
- Add ClearMessages method to pstest server.
Small fix to a package name.
This is the first tag to carve out pubsub as its own module. See: https://github.com/golang/go/wiki/Modules#is-it-possible-to-add-a-module-to-a-multi-module-repository.