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4 | 4 | breaking changes in the upcoming 3.x release. This release is scheduled for |
5 | 5 | 2024-12 or 2025-01. |
6 | 6 |
|
7 | | -## v2.40.0 - TBD |
| 7 | +## v2.41.0 - TBD |
| 8 | + |
| 9 | +### [Spanner](/google/cloud/spanner/README.md) |
| 10 | + |
| 11 | +- [Multiplexed session](https://cloud.google.com/spanner/docs/sessions#multiplexed_sessions) |
| 12 | +support is now available. To enable Multiplexed sessions, add the |
| 13 | +`spanner::EnableMultiplexedSessionOption` to `Options` when calling |
| 14 | +`spanner::MakeConnection`. This enables Multiplexed sessions on all operations |
| 15 | +read-only, read-write, and partitioned. |
| 16 | + |
| 17 | +## v2.40.0 - 2025-08 |
| 18 | + |
| 19 | +### New Libraries |
| 20 | + |
| 21 | +We are happy to announce the following GA libraries. Unless specifically noted, |
| 22 | +the APIs in these libraries are stable, and are ready for production use. |
| 23 | + |
| 24 | +- [License Manager API](/google/cloud/licensemanager/README.md) |
| 25 | + |
| 26 | +### Updated Libraries |
| 27 | + |
| 28 | +- [BigQuery](/google/cloud/bigquery/README.md) - added support for datapolicies/v2 |
| 29 | +- [ManagedKafka](/google/cloud/managedkafka/README.md) - add schemaregistry to the library |
| 30 | + |
| 31 | +### [Bigtable](/google/cloud/bigtable/README.md) |
| 32 | + |
| 33 | +- We have begun instrumenting the `Bigtable::DataConnection` class to collect |
| 34 | +several [Client Side Metrics](https://cloud.google.com/bigtable/docs/client-side-metrics), |
| 35 | +free of charge. These metrics will be collected by |
| 36 | +default if both the [OpenTelemetry](https://github.com/open-telemetry/opentelemetry-cpp) |
| 37 | +and [Google Cloud Monitoring](google/cloud/monitoring/README.md) dependencies are |
| 38 | +available. Users can opt-out by setting the `bigtable::EnableMetricsOption` to `false`. |
| 39 | + |
| 40 | +- The following metrics are available in Bigtable: |
| 41 | + - AttemptLatency |
| 42 | + - OperationLatency |
| 43 | + - RetryCount |
| 44 | + - FirstResponseLatency |
| 45 | + |
| 46 | +### [Spanner](/google/cloud/spanner/README.md) |
| 47 | + |
| 48 | +- feat(spanner): add support for order_by enum ([#15240](https://github.com/googleapis/google-cloud-cpp/pull/15240)) |
| 49 | +- feat(spanner): add support for lock_hint enum ([#15249](https://github.com/googleapis/google-cloud-cpp/pull/15249)) |
| 50 | + |
| 51 | +### [Storage](/google/cloud/storage/README.md) |
| 52 | + |
| 53 | +- feat(storage): Create OTel tracing decorator for `storage:: ParallelUploadFile()` ([#15289](https://github.com/googleapis/google-cloud-cpp/pull/15289)) |
| 54 | +- fix(storage): Fix the bucket name not found error ([#15274](https://github.com/googleapis/google-cloud-cpp/pull/15274)) |
| 55 | +- feat(storage): Create OTel tracing decorator for `Client::UploadFile()` ([#15245](https://github.com/googleapis/google-cloud-cpp/pull/15245)) |
| 56 | + |
| 57 | +### [Google APIs interface definitions](https://github.com/googleapis/googleapis) |
| 58 | + |
| 59 | +- This release is based on definitions as of [2025-07-30T06:44:36-07:00](https://github.com/googleapis/googleapis/tree/f6801ce4e1df0541abb8d1e996cb36363c41fb8d) |
8 | 60 |
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9 | 61 | ## v2.39.0 - 2025-07 |
10 | 62 |
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