11-27-2018 13:32 PST

- Pick up fixes to GAPIC generator. ([#6503](https://github.com/GoogleCloudPlatform/google-cloud-python/pull/6503))

- Override client classmethod factories inherited from GAPIC. ([#6453](https://github.com/GoogleCloudPlatform/google-cloud-python/pull/6453))

- Fix imports for hand-written client docstring examples. ([#6345](https://github.com/GoogleCloudPlatform/google-cloud-python/pull/6345))

- Fix path for patch of 'bidi' elements. ([#6243](https://github.com/GoogleCloudPlatform/google-cloud-python/pull/6243))

- Move bidi to api-core. ([#6211](https://github.com/GoogleCloudPlatform/google-cloud-python/pull/6211))

- Re-generate library using pubsub/synth.py ([#6059](https://github.com/GoogleCloudPlatform/google-cloud-python/pull/6059))

- Re-generate library using pubsub/synth.py ([#5978](https://github.com/GoogleCloudPlatform/google-cloud-python/pull/5978))

- Add 'expiration_policy' to subscriber client. ([#6223](https://github.com/GoogleCloudPlatform/google-cloud-python/pull/6223))

- Bump minimum 'api_core' version for all GAPIC libs to 1.4.1. ([#6391](https://github.com/GoogleCloudPlatform/google-cloud-python/pull/6391))

- Update IAM version in dependencies. ([#6362](https://github.com/GoogleCloudPlatform/google-cloud-python/pull/6362))

- Bump minimum 'api_core' version to '1.4.1'. ([#6134](https://github.com/GoogleCloudPlatform/google-cloud-python/pull/6134))

- Fix client_info bug, update docstrings. ([#6418](https://github.com/GoogleCloudPlatform/google-cloud-python/pull/6418))

- Fix docstring reference to wrong future class. ([#6382](https://github.com/GoogleCloudPlatform/google-cloud-python/pull/6382))

- Normalize use of support level badges. ([#6159](https://github.com/GoogleCloudPlatform/google-cloud-python/pull/6159))

- Update subscriber example in README to current patterns. ([#6194](https://github.com/GoogleCloudPlatform/google-cloud-python/pull/6194))

- Prep pubsub docs for repo split. ([#6001](https://github.com/GoogleCloudPlatform/google-cloud-python/pull/6001))

- Fix error from new flake8 version. ([#6346](https://github.com/GoogleCloudPlatform/google-cloud-python/pull/6346))

- Use new Nox. ([#6175](https://github.com/GoogleCloudPlatform/google-cloud-python/pull/6175))