v1.92.0

1.92.0 (2026-09-23)

Features

• bigquery-jdbc: add EnableTimestampPicos connection property and its plumbing (#14284) (b4aa5ac)
• bigquery-jdbc: implement picosecond temporal math and formatting engine (#14286) (2a9612a)
• bigquery-jdbc: support picosecond in REST JSON path and nested types (#14334) (15ffe4a)
• bigquery-jdbc: support picosecond in PreparedStatement parameters and batching (#14373) (c1aac66)
• bigquery-jdbc: support picosecond timestamp in ResultSetMetaData and DatabaseMetaData (#14358) (43acdd3)
• bigquery-jdbc: support picosecond timestamps in Arrow Storage Read API and nested types (#14332) (b5d9aca)
• bigquery-jdbc: support qualified project delimiter in DefaultDataset property (#14240) (6e8d6c8)
• bigquery: accelerate row-based query() with Arrow wire format (#14405) (8d12a8f)
• bigquery: add ArrowDeserializer helper utility (#13943) (d9a298b)
• bigquery: add ArrowQueryPageFetcher for Arrow query result pagination (#14404) (615409f)
• bigquery: add ArrowQueryResult and ArrowQueryResultImpl for Arrow result streaming (#13944) (a62fdf8)
• bigquery: add Storage Read API slow-path fallback for row-based query() (#14409) (26e568a)
• bigquery: add zero-copy queryArrow API for Arrow VectorSchemaRoot streaming (#14402) (b44ffe8)
• bigquery: make BigQuery AutoCloseable with default no-op close method (#14434) (00bf3de)
• firestore: add support for BSON types (#13189) (8a123d9)
• gax: add ApiCallContext and request-level settings overloads to ResumableUploadCallable (#14251) (e8cbd42)
• gax: add globalTimeout settings field to ResumableUploadCallSettings (#14253) (438cda6)
• gax: add resumable upload error classification and retry algorithm (#14419) (b70396d)
• gax: add ResumableUploadCallable creation to Callables and HttpJsonCallableFactory (#14242) (7de24de)
• gax: implement baseline Callable and Future for resumable uploads (#14241) (5a54db9)
• generator: add model flag and allowlist parser for resumable upload RPCs (#14317) (acc1856)
• generator: emit resumable upload client surface (#14319) (a9fed00)
• generator: emit resumable upload settings and HttpJson upload stub (#14321) (c122474)
• generator: enable resumable upload generation for showcase (#14325) (f9ebd79)
• generator: switch resumable upload specialized stubs to package private (#14471) (0d4e875)
• generator: wire transport stub delegation to resumable upload stubs (#14322) (cc4b980)
• google/cloud/backupdr/v1beta: add backupdr (#14410) (a4a47da)
• google/cloud/networkservices/v1beta1: add networkservices (#14407) (21c4955)
• pubsub: add publish telemetry headers for publish attempt observability (#14338) (c167ab8)
• pubsub: implement publish hedging to reduce tail latency (#13735) (b302615)
• spanner: Support dynamic TLS certificate and key rotation for Spanner Omni (#14456) (ffc745c)
• storage/control: add delete folder recursive sample (#13642) (f4b1b46)
• storage/control: add delete folder recursive sample (#14397) (2c01d55)

Bug Fixes

• auth: restore transportFactory upon deserialization in InternalAwsSecurityCredentialsSupplier (#14340) (beea42f)
• bigquery-jdbc: ensure row ordering in PCNT IT (#14330) (a16f048)
• bigquery-jdbc: fix htapi fallback due to permission logic (#14418) (21e6dc8)
• bigquery-jdbc: fix Timestamp assertions (#14290) (533ba14)
• bigquery-jdbc: handle null parameters in Storage Write API bulk inserts (#14270) (dd2c41a), refs #14066
• bigquery-jdbc: handle SQL NULLs in ResultSet primitive getters (#14383) (8e464fe), refs #14371
• bigquery: default Arrow pagination stream location to US instead of global (#14458) (2775eb1)
• bigquery: preserve page token and paginate correctly in Arrow query when maxResults is set (#14469) (f5601f4)
• bigquery: use first page row count for Arrow query pagination offset (#14466) (9d10dd0)
• bigtable: don't notify config listeners while holding the manager lock (#14294) (4426ccd)
• bigtable: fall back to classic path when per-RPC CallCredentials are set on session path (#14477) (57bacb0)
• bigtable: fix abnormal session closures and scale-up in session pool (#14431) (6361ecd)
• biqguery: fix undeclared QueryParameter wiring in QueryStatistics (#14401) (64cf1d3)
• bom: restore google-cloud-spanner-jdbc to libraries-bom (#14362) (bc7be5e), refs #14347
• spanner: honor maxAttempts and totalTimeout in streaming resume loop (#14370) (305f47d)
• spanner: only set snapshot isolation read timestamp for SI or optimistic txns in CloudClientExecutor (#14346) (54c0d0f)
• spanner: prevent statement cancellation race in AbstractBaseUnitOfWork (#14283) (d9a8eef)
• spanner: re-enable ITInstanceAdminTest on cloud-devel and cloud-staging (#14281) (89a8268)

Performance Improvements

• spanner: stop re-parsing the request id on every RPC (#14353) (46108f4)

Documentation

• Add a Http/Json Post-Quantum Cryptography Guide (#13963) (fcc65b0)
• bigquery: add QueryArrow code sample and document JDK 17+ JVM requirements (#14437) (bd363f6)