3.63.0 (2026-02-13)

Features

• add requestID info in error exceptions (#1415) (2c5eb96c)

Bug Fixes

• prevent thread leak by ensuring singleton initialization (#1492) (e792136a)

Documentation

• snippet for setting read lock mode (#1473) (7e79920c)

3.62.0 (2026-01-14)

Features

• add uuid support (#1310) (3b1792aa)

Bug Fixes

• transaction_tag should be set on BeginTransactionRequest (#1463) (3d3cea0b)

• resolve pre-release dependency failures and sqlparse recursion (#1472) (9ec95b7d)

• handle errors during stream restart in snapshot (#1471) (c0668735)

3.61.0 (2025-12-16)

Features

• support mTLS certificates when available (#1467) (df87c3ed)

3.60.0 (2025-12-10)

Features

• make built-in metrics enabled by default (#1459) (64aebe7e)

• Exposing AutoscalingConfig in InstancePartition (8b6f1540)

• add support for experimental host (#1452) (9535e5e0)

• enable OpenTelemetry metrics and tracing by default (#1410) (bb5095df)

• add cloud.region, request_tag and transaction_tag in span attributes (#1449) (d37fb80a)

• Add QueryAdvisorResult for query plan (PiperOrigin-RevId: 832425466) (e08260fe)

• Add Send and Ack mutations for Queues (PiperOrigin-RevId: 832425466) (e08260fe)

• Add Spanner location API (#1457) (PiperOrigin-RevId: 833474957) (e08260fe)

Bug Fixes

• Deprecate credentials_file argument (8b6f1540)

• configure keepAlive time for gRPC TCP connections (#1448) (efb2833e)

• Provide Spanner Option to disable metrics (#1460) (f1ebc43b)

Documentation

• Update description for the BatchCreateSessionsRequest and Session (PiperOrigin-RevId: 832425466) (e08260fe)

• Update description for the IsolationLevel (PiperOrigin-RevId: 832425466) (e08260fe)

3.59.0 (2025-10-18)

Features

• spanner: Add lazy decode to partitioned query (#1411) (a09961b)

Bug Fixes

• spanner: Resolve TypeError in metrics resource detection (#1446) (7266686)

Documentation

• Add snippet for Repeatable Read configuration at client and transaction (#1326) (58e2406)

3.58.0 (2025-09-10)

Features

• spanner: Support setting read lock mode (#1404) (ee24c6e)

Dependencies

• Remove Python 3.7 and 3.8 as supported runtimes (#1395) (fc93792)

3.57.0 (2025-08-14)

Features

• Support configuring logger in dbapi kwargs (#1400) (ffa5c9e)

3.56.0 (2025-07-24)

Features

• Add support for multiplexed sessions - read/write (#1389) (ce3f230)
• Add support for multiplexed sessions (#1383) (21f5028)
• Default enable multiplex session for all operations unless explicitly set to false (#1394) (651ca9c)
• spanner: Add new change_stream.proto (#1382) (ca6255e)

Performance Improvements

• Skip gRPC trailers for StreamingRead & ExecuteStreamingSql (#1385) (cb25de4)

3.55.0 (2025-05-28)

Features

• Add a last field in the PartialResultSet (d532d57)
• Add support for multiplexed sessions (#1381) (97d7268)
• Add throughput_mode to UpdateDatabaseDdlRequest to be used by Spanner Migration Tool. See https://github.com/GoogleCloudPlatform/spanner-migration-tool (d532d57)
• Support fine-grained permissions database roles in connect (#1338) (064d9dc)

Bug Fixes

• E2E tracing metadata append issue (#1357) (3943885)
• Pass through kwargs in dbapi connect (#1368) (aae8d61)
• Remove setup.cfg configuration for creating universal wheels (#1324) (e064474)

Documentation

• A comment for field chunked_value in message .google.spanner.v1.PartialResultSet is changed (d532d57)
• A comment for field precommit_token in message .google.spanner.v1.PartialResultSet is changed (d532d57)
• A comment for field precommit_token in message .google.spanner.v1.ResultSet is changed (d532d57)
• A comment for field query_plan in message .google.spanner.v1.ResultSetStats is changed (d532d57)
• A comment for field row_count_lower_bound in message .google.spanner.v1.ResultSetStats is changed (d532d57)
• A comment for field row_type in message .google.spanner.v1.ResultSetMetadata is changed (d532d57)
• A comment for field rows in message .google.spanner.v1.ResultSet is changed (d532d57)
• A comment for field stats in message .google.spanner.v1.PartialResultSet is changed (d532d57)
• A comment for field stats in message .google.spanner.v1.ResultSet is changed (d532d57)
• A comment for field values in message .google.spanner.v1.PartialResultSet is changed (d532d57)
• A comment for message ResultSetMetadata is changed (d532d57)
• A comment for message ResultSetStats is changed (d532d57)
• Fix markdown formatting in transactions page (#1377) (de322f8)

3.54.0 (2025-04-28)

Features

• Add interval type support (#1340) (6ca9b43)
• Add sample for pre-split feature (#1333) (ca76108)
• Add SQL statement for begin transaction isolation level (#1331) (3ac0f91)
• Support transaction isolation level in dbapi (#1327) (03400c4)

Bug Fixes

• Improve client-side regex statement parser (#1328) (b3c259d)