v1.29.0 Release

[coryan]

Bigtable:

BREAKING CHANGES:

• Experimental functions matching Async* in bigtable::TableAdmin and
  bigtable::InstanceAdmin have been removed from the public API. See
  #5923 for more
  details.

Other changes:

• feat(bigtable): add Backup IAM Policy snippets (feat(bigtable): add Backup IAM Policy snippets #6847)
• doc(bigtable): revamp examples README (doc(bigtable): revamp examples README #6839)
• docs: fix connection pool size for samples (docs: fix connection pool size for samples #6834)
• cleanup(doc): add IAM examples to Bigtable gRPC doc, fix typos (doc(bigtable): add IAM examples to Bigtable gRPC doc, fix typos/hyperlinks #6838)
• cleanup(bigtable)!: remove admin async methods from public API (cleanup(bigtable)!: remove admin async integration tests #6711)

Pub/Sub:

• fix: cast to std::string which works with string and Cord (fix: cast to std::string which works with string and Cord #6850)
• doc(pubsub): an example for publisher flow control (doc(pubsub): an example for publisher flow control #6784)
• feat(pubsub): flow control for Publisher (feat(pubsub): flow control for Publisher #6678)
• feat(pubsub): use unary RPCs for Ack/Nack (feat(pubsub): use unary RPCs for Ack/Nack #6674)
• feat(pubsub): direct Ack/Nack through SubscriberStub (feat(pubsub): direct Ack/Nack through SubscriberStub #6666)

Storage:

• fix(storage): allow overwrites in parallel uploads (fix(storage): allow overwrites in parallel uploads #6908)
• feat(GCS+gRPC): capture streaming RPCs metadata (feat(GCS+gRPC): capture streaming RPCs metadata #6902)
• fix(storage): use correct header for XML pre-conditions (fix(storage): use correct header for XML pre-conditions #6903)
• fix(storage): use JSON for reads with pre-conditions (fix(storage): use JSON for reads with pre-conditions #6900)
• fix(storage): treat 304 errors as kFailedPrecondition (fix(storage): treat 304 errors as kFailedPrecondition #6897)
• feat(storage): micro-optimization for downloads (feat(storage): micro-optimization for downloads #6892)
• fix(GCS+gRPC): avoid duplicate headers in downloads (fix(GCS+gRPC): avoid duplicate headers in downloads #6891)
• feat(storage): implement "public access prevention" (feat(storage): implement "public access prevention" #6755)
• fix(GCS+gRPC): resumable uploads can resume (fix(GCS+gRPC): resumable uploads can resume #6881)
• feat(storage): share client in throughput benchmark (feat(storage): share client in throughput benchmark #6882)
• feat(storage): make auto-finalization optional (feat(storage): make auto-finalization optional #6874)
• fix(storage): alternative endpoints and Host header (fix(storage): alternative endpoints and Host header #6864)
• fix(storage): crashes with tracing enabled (fix(storage): crashes with tracing enabled #6870)

Spanner:

• feature(spanner): low-cost instances (feature(spanner): low-cost instances #6895)
• refactor(spanner): Use background threads for admin LROs (refactor(spanner): Use background threads for database-admin LROs #6853, refactor(spanner): Use background threads for instance-admin LROs #6835)
• feature(spanner): add optimizer_statistics_package to QueryOptions (feature(spanner): add optimizer_statistics_package to QueryOptions #6727)
• fix(spanner): pick up tracing-option defaults in SetBasicDefaults() (fix(spanner): pick up tracing-option defaults in SetBasicDefaults() #6691)

Common Libraries:

• feat(common): support LROs (long-running operations) use background threads
  (fix(common): synchronize cancel for long-running operations #6855, feat(common): cancel long-running operations #6831, feat(common): long-running operations cancel support #6824, refactor(common): re-use value extractors in synchronous polling loop #6823, feat(common): support response in long-running operations #6822, refactor(common): move longrunning to value functions #6820, fix(common): lifetime management in AsyncPollingLoop #6816, feat(common): a generic long-running operation #6804)
• fix(common): remove blocking call in MinimalIamCredentials (fix(common): remove blocking call in MinimalIamCredentials #6813)

---

This discussion was created from the release v1.29.0 Release.