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[13.1.0] Preview Release

Added

• Vector datatype support #2634
  What was added: Native support for SQL Server’s new VECTOR data type with APIs for inserts, selects, stored procedures, and bulk copy.
  Who benefits: Developers building AI/ML workloads or semantic search applications using vector data in SQL Server.
  Impact: Enables native vector storage and access via JDBC, eliminating the performance overhead of managing vector data as strings.

• New connection options, quotedIdentifier and concatNullYieldsNull #2618
  What was added: New connection options, quotedIdentifier and concatNullYieldsNull, to control QUOTED_IDENTIFIER and CONCAT_NULL_YIELDS_NULL session settings for both new and pooled connections.
  Who benefits: Developers needing Sybase-default behavior for their applications.
  Impact: Reduces Sybase migration effort by allowing control of these session values.

• Support for temporal and money datatypes when using bulk copy for batch insert operations #2670
  What was added: Support for batch inserts of DATETIME, DATE, MONEY, etc., when using the useBulkCopyForBatchInsert option.
  Who benefits: High-volume data insert users.
  Impact: Improves performance for previously unsupported types (except in Azure Synapse Analytics (formerly Azure SQL DW).

• Mockito integration into JDBC driver tests #2644
  What was added: Mockito added as a test dependency.
  Who benefits: Developers and contributors writing unit tests.
  Impact: Enables better control and test coverage.

Changed

• releaseSavepoint exception type standardized to SQLFeatureNotSupported #2583
  What changed: SQLServerException replaced with SQLFeatureNotSupportedException to comply with JDBC specification.
  Who benefits: Developers expecting JDBC standard exceptions.
  Impact: Enables better exception handling in client code.

• ActiveDirectoryPassword authentication deprecated #2624
  What changed: Added deprecation warning for Microsoft Entra ID password authentication method.
  Who benefits: Microsoft Entra ID authentication users.
  Impact: Encourages migration to more secure methods.

• Include Columnstore indexes in getIndexInfo() #2598
  What changed: Replaced sp_statistics with a custom query to support all index types.
  Who benefits: Developers using metadata APIs.
  Impact: More accurate index metadata.

• Corrected schema filtering in getSchemas() #2643
  What changed: Ensured schemas are properly filtered when a catalog name is provided.
  Who benefits: Users of metadata functions.

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