v2.43.0

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Storage

• fix(storage): fixing flushing and finalization in buffered upload of async client (#​15572)
• feat(storage): Add samples related to AppendableObject and OpenObject (#​15563)
• feat(storage): Expose Flush() in AsyncWriter (#​15555)
• fix(storage): Fix Resume() to use append_object_spec instead of write_object_spec for resumed appendable uploads (#​15558)
• fix(storage): Increase AsyncWriter default MinLwmValue to avoid frequent flushes (#​15552)

Google APIs interface definitions

• This release is based on definitions as of 2025-10-03T13:49:30-07:00

v2.42.0

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New Libraries

We are happy to announce the following GA libraries. Unless specifically noted,
the APIs in these libraries are stable, and are ready for production use.

• Cloud Security Compliance
• Config Delivery API

Updated Libraries

• Network Connectivity - added support for DataTransferService (#​15464)

Spanner

• perf(spanner): Use arenas to speed up queries that fetch many rows (#​15441)

Storage

• feat(storage): Remove unnecessary code which was causing race condition (#​15551)
• feat(storage): Update the appendable object function to store the Object metadata (#​15422)
• feat(storage): Add generation in append_object_spec in resume operation (#​15395)

Common Libraries

• perf: Change StreamingReadRpc::Read interface to take ResponseType (#​15319)

Google APIs interface definitions

• This release is based on definitions as of 2025-09-05T15:58:06-07:00

v2.41.0

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Bigtable

• The Bigtable::DataConnection class has been instrumented to collect Client Side Metrics,
  free of charge. These metrics will be collected by
  default if both the OpenTelemetry
  and Google Cloud Monitoring dependencies are
  available. Users can opt-out by setting the bigtable::EnableMetricsOption to false.

• The following metrics are available in Bigtable:

  • AttemptLatency
  • OperationLatency
  • RetryCount
  • FirstResponseLatency
  • ServerLatency
  • ApplicationBlockingLatency
  • ConnectivityErrorCount

Spanner

• Multiplexed session
  support is now available. To enable Multiplexed sessions, add the
  spanner::EnableMultiplexedSessionOption to Options when calling
  spanner::MakeConnection. This enables Multiplexed sessions on all operations
  read-only, read-write, and partitioned.

Google APIs interface definitions

• This release is based on definitions as of 2025-07-30T06:44:36-07:00

v2.40.0

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New Libraries

We are happy to announce the following GA libraries. Unless specifically noted,
the APIs in these libraries are stable, and are ready for production use.

• License Manager API

Updated Libraries

• BigQuery - added support for datapolicies/v2
• ManagedKafka - add schemaregistry to the library

Bigtable

• We have begun instrumenting the Bigtable::DataConnection class to collect
  several Client Side Metrics,
  free of charge. These metrics will be collected by
  default if both the OpenTelemetry
  and Google Cloud Monitoring dependencies are
  available. Users can opt-out by setting the bigtable::EnableMetricsOption to false.

• The following metrics are available in Bigtable:

  • AttemptLatency
  • OperationLatency
  • RetryCount
  • FirstResponseLatency

Spanner

• feat(spanner): add support for order_by enum (#​15240)
• feat(spanner): add support for lock_hint enum (#​15249)

Storage

• feat(storage): Create OTel tracing decorator for storage:: ParallelUploadFile() (#​15289)
• fix(storage): Fix the bucket name not found error (#​15274)
• feat(storage): Create OTel tracing decorator for Client::UploadFile() (#​15245)

Google APIs interface definitions

• This release is based on definitions as of 2025-07-30T06:44:36-07:00

v2.39.0

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Storage

• feat(storage): Link traces between Open and ReadRange traces. (#​15236)
• feat(storage): Add check for writeHandle before transforming write_object_spec to append_object_spec ([#​15224])(#​15224))

Google APIs interface definitions

• This release is based on definitions as of 2025-07-03T11:36:10-07:00

v2.38.0

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New Libraries

We are happy to announce the following GA libraries. Unless specifically noted,
the APIs in these libraries are stable, and are ready for production use.

• Dataform API
• Google Cloud Managed Lustre API
• Memorystore API
• Oracle Database@Google Cloud API

Pub/Sub

• feat(pubsub): add MakeConnection overloads to support regional and locational endpoints (#​15190)

Storage

• samples(storage): add the bucket soft delete related tags (#​15154)
• samples(storage): add samples for soft delete objects (#​15133)

Common Libraries

• feat(resourcemanager): add Connection factory function for regional endpoints (#​15189)
• samples(storagecontrol): add samples for anywhere cache (#​15134)
• fix: Bypass proxy for GCE metadata server requests

Google APIs interface definitions

• This release is based on definitions as of 2025-06-04T16:36:46-07:00

v2.37.0

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BREAKING CHANGES

Client library resourcesettings is being removed because the service has been turned down.

New Libraries

We are happy to announce the following GA libraries. Unless specifically noted,
the APIs in these libraries are stable, and are ready for production use.

• Financial Services API
• Storage Batch Operations API
• Device Streaming API
• Chronicle API

Updated Libraries

• iam - add v3 version of the library

Spanner

• feat(spanner): add spanner::Value support for TypeCode::INTERVAL (#​15094)
• feat(spanner): add ISO8601 duration support to spanner::Interval (#​15077)
• fix(spanner): update session bookkeeping for session NotFound (#​15009)

Storage

• feat(storage): Make absl::cord constructor public in write_payload.h (#​15113)
• feat(storage): Add bidiread and bidi appendable write to the async client. (#​15078)
• fix: fix bug with customheadersoption (#​15053)

Common Libraries

• feat: add option to allow setting CURLOPT_INTERFACE (#​15044)

Google APIs interface definitions

• This release is based on definitions as of 2025-05-02T13:03:05-07:00

v2.36.0

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New Libraries

We are happy to announce the following GA libraries. Unless specifically noted,
the APIs in these libraries are stable, and are ready for production use.

• Parameter Manager API

Google APIs interface definitions

• This release is based on definitions as of 2025-02-27T08:14:18-08:00

v2.35.0

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Pub/Sub

• docs(pubsub): Add Pub/Sub ingestion from Kafka samples (#​14954)

Common Libraries

• doc: update documentation to point to security best practice (#​14942)

Google APIs interface definitions

• This release is based on definitions as of 2025-01-28T16:10:24-08:00

v2.34.0

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OpenTelemetry

• fix(otel): Exporter creating Monitored Resource with task_id for Cloud Run (#​14923)
• feat(otel): copy service labels into GCM Metric (#​14930)

Storage

• feat(storage): add MoveObject functionality to JSON and gRPC (#​14936)

v2.33.0

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BigQuery Control

• Has been promoted from an experimental library to GA.

Storage

• docs(storage): Update build instructions for gcs+grpc (#​14833)

GKE Connect Gateway

• fix(gkeconnect): service only supports REST endpoint (#​14897)

Google APIs interface definitions

• This release is based on definitions as of 2024-12-13T14:53:44-08:00