05-16-2019 12:58 PDT

- Add routing header to method metadata (via synth). ([#7602](https://github.com/googleapis/google-cloud-python/pull/7602))

- Remove classifier for Python 3.4 for end-of-life. ([#7535](https://github.com/googleapis/google-cloud-python/pull/7535))

- Add `client_info` support to clients. ([#7899](https://github.com/googleapis/google-cloud-python/pull/7899))

- Pin `google-cloud-core >= 1.0.0, < 2.0dev`. ([#7993](https://github.com/googleapis/google-cloud-python/pull/7993))

- Update docstring for `page_size` (via synth). ([#7688](https://github.com/googleapis/google-cloud-python/pull/7688))

- Updated client library documentation URLs. ([#7307](https://github.com/googleapis/google-cloud-python/pull/7307))

- Pick up stub docstring fix in GAPIC generator. ([#6985](https://github.com/googleapis/google-cloud-python/pull/6985))

- Add nox session `docs`, reorder methods (via synth). ([#7783](https://github.com/googleapis/google-cloud-python/pull/7783)) and ([#7784](https://github.com/googleapis/google-cloud-python/pull/7784))

- Copy lintified proto files (via synth). ([#7455](https://github.com/googleapis/google-cloud-python/pull/7455))

- Add clarifying comment to blacken nox target. ([#7406](https://github.com/googleapis/google-cloud-python/pull/7406))

- Remove unused message exports (via synth). ([#7278](https://github.com/googleapis/google-cloud-python/pull/7278))

- Copy proto files alongside protoc versions ([#7254](https://github.com/googleapis/google-cloud-python/pull/7254))

- Trivial gapic-generator change. ([#7236](https://github.com/googleapis/google-cloud-python/pull/7236))

- Add protos as an artifact to library ([#7205](https://github.com/googleapis/google-cloud-python/pull/7205))

- Update copyright headers (via synth). ([#7161](https://github.com/googleapis/google-cloud-python/pull/7161))

- Protoc-generated serialization update. ([#7098](https://github.com/googleapis/google-cloud-python/pull/7098))