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ODBC Driver for SQL Server Release Notes

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Last updated: Apr 24, 2026

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  • Mar 31, 2026
    • Date parsed from source:
      Mar 31, 2026
    • First seen by Releasebot:
      Apr 24, 2026
    Microsoft logo

    ODBC Driver for SQL Server by Microsoft

    18.6

    ODBC Driver for SQL Server releases 18.6.2.1 with vector parameter handling improvements, Microsoft Fabric server redirection support, and bug fixes for a smoother SQL Server connection experience.

    Version number: 18.6.2.1

    Released: March 31, 2026

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    For the x64 driver:
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    For the x86 driver:
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    For the ARM64 driver:
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    Feature added: Vector parameters.

    Details: Improve handling of output and input/output vector parameters when using prepared statements.

    Feature added: Server redirections.

    Details: Support Microsoft Fabric redirection scenarios allowing up to 10 server redirections per connection attempt.

    Feature added: Bug fixes.

    Details: Bug fixes.

    Original source
  • Dec 17, 2025
    • Date parsed from source:
      Dec 17, 2025
    • First seen by Releasebot:
      Apr 24, 2026
    Microsoft logo

    ODBC Driver for SQL Server by Microsoft

    18.6.1

    ODBC Driver for SQL Server releases 18.6.1.1 with support for the new Vector data type, the ConcatNullYieldsNull property, and x86 support on Windows ARM64, while also noting a bcp_bind terminator behavior change.

    Version number: 18.6.1.1

    Released: December 17, 2025

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    For the x64 driver:

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    Feature added: New data type

    Details: Added support for new Vector data type (float32). See Vector data type (ODBC) for usage and examples.

    Feature added: ConcatNullYieldsNull property

    Details: Added support for ConcatNullYieldsNull property as both a connection string property and a registry key option.

    Feature added: New distribution supported

    Details: Added x86 support on Windows ARM64.

    Known issues in 18.6.1.1

    Terminator issue in bcp_bind

    When you use a terminator as the separator in bcp_bind for strings, two consecutive terminators in data can mean either a NULL value or an empty string. The ODBC driver can't distinguish between empty strings and null strings.

    • Before the 18.6.1.1 release, the ODBC driver interpreted consecutive terminators (zero-length data) as empty strings.
    • In the 18.6.1.1 release, the ODBC driver interprets zero-length data as a NULL value instead of an empty string.
    Original source

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  • Sep 26, 2025
    • Date parsed from source:
      Sep 26, 2025
    • First seen by Releasebot:
      Apr 24, 2026
    Microsoft logo

    ODBC Driver for SQL Server by Microsoft

    18.5.2

    ODBC Driver for SQL Server releases 18.5.2.1 with a crash fix that helps avoid potential memory corruption issues across x64, x86, and ARM64 installers.

    Version number: 18.5.2.1

    Released: September 26, 2025

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    For the ARM64 driver:
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    Feature added: Fixed potential crashes

    Details: Avoid potential crashes caused by memory corruption.

    Original source
  • Mar 17, 2025
    • Date parsed from source:
      Mar 17, 2025
    • First seen by Releasebot:
      Apr 24, 2026
    Microsoft logo

    ODBC Driver for SQL Server by Microsoft

    18.5

    ODBC Driver for SQL Server releases 18.5.1.1 with Packet Size as a connection string option, includes the Microsoft SQL Driver Authentication library in the installer, adds Czech, Polish and Turkish language support, and ships installer and bug fixes.

    Version number: 18.5.1.1

    Released: March 17, 2025

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    For the x64 driver:
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    For the x86 driver:
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    For the ARM64 driver:
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    Feature added: Packet Size option

    Details: Expose the Packet Size as a connection string option.

    Feature added: Include Microsoft SQL Driver Authentication library (mssql-auth.dll) in the installer

    Details: Now included in the base driver installation, the installer installs and upgrades the Microsoft SQL Driver Authentication library.

    Feature added: Added three new languages

    Details: Added support for three new languages Czech, Polish, and Turkish.

    Feature added: Install all features

    Details: Modify installer to install both features (Core and SDK) by default.

    Feature added: Bug fixes.

    Details: Bug fixes.

    Original source
  • Jul 31, 2024
    • Date parsed from source:
      Jul 31, 2024
    • First seen by Releasebot:
      Apr 24, 2026
    Microsoft logo

    ODBC Driver for SQL Server by Microsoft

    18.4

    ODBC Driver for SQL Server releases 18.4.1.1 with Microsoft Entra ID updates, renaming Azure Active Directory throughout, plus bug fixes for a smoother driver experience.

    Version number: 18.4.1.1

    Released: July 31, 2024

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    Feature added: Microsoft Entra ID

    Details: Renamed all occurrences of "Azure Active Directory" to "Microsoft Entra ID". For more information, see New name for Azure Active Directory.

    Feature added: Bug fixes.

    Details: Bug fixes.

    Original source
  • Apr 9, 2024
    • Date parsed from source:
      Apr 9, 2024
    • First seen by Releasebot:
      Apr 24, 2026
    Microsoft logo

    ODBC Driver for SQL Server by Microsoft

    18.3.3

    ODBC Driver for SQL Server releases 18.3.3.1 with bug fixes and security updates, including KB5037571, bringing a smoother and more secure driver experience.

    Version number: 18.3.3.1

    Released: April 9, 2024

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    Feature added: Bug fixes

    Details: Bug fixes.

    Feature added: Security updates

    Details: KB5037571.

    Original source
  • Apr 9, 2024
    • Date parsed from source:
      Apr 9, 2024
    • First seen by Releasebot:
      Apr 24, 2026
    Microsoft logo

    ODBC Driver for SQL Server by Microsoft

    17.10.6

    ODBC Driver for SQL Server releases 17.10.6.1 with bug fixes and security updates, including KB5037570, for improved stability and protection.

    Version number: 17.10.6.1

    Released: April 9, 2024

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    Feature added: Bug fixes

    Details: Bug fixes.

    Feature added: Security updates

    Details: KB5037570.

    Original source
  • Oct 10, 2023
    • Date parsed from source:
      Oct 10, 2023
    • First seen by Releasebot:
      Apr 24, 2026
    Microsoft logo

    ODBC Driver for SQL Server by Microsoft

    18.3.2

    ODBC Driver for SQL Server releases 18.3.2.1 with bug fixes across x64, x86, and ARM64 installers.

    Version number: 18.3.2.1

    Released: October 10, 2023

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    Feature added: Bug fixes

    Details: Bug fixes.

    Original source
  • Oct 10, 2023
    • Date parsed from source:
      Oct 10, 2023
    • First seen by Releasebot:
      Apr 24, 2026
    Microsoft logo

    ODBC Driver for SQL Server by Microsoft

    17.10.5

    ODBC Driver for SQL Server releases 17.10.5.1 with improved performance, new Managed Identity authentication support for Azure Arc and Azure Cloud Shell, and bug fixes.

    Version number: 17.10.5.1

    Released: October 10, 2023

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    Feature added: Improved Performance

    Details: More efficient packet buffer memory allocation

    Feature added: New Managed Identity (MSI) Authentication Support

    Details: Support for MSI authentication for Azure Arc and Azure Cloud Shell and updated to a newer Azure App Service API version

    Feature added: Bug fixes

    Details: Bug fixes.

    Original source
  • Jul 31, 2023
    • Date parsed from source:
      Jul 31, 2023
    • First seen by Releasebot:
      Apr 24, 2026
    Microsoft logo

    ODBC Driver for SQL Server by Microsoft

    18.3.1

    ODBC Driver for SQL Server releases improved performance, adds Managed Identity authentication support for Azure Arc and Azure Cloud Shell, and includes bug fixes.

    Version number: 18.3.1.1

    Released: July 31, 2023

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    Chinese (Simplified) | Chinese (Traditional) | English (United States) | French | German | Italian | Japanese | Korean | Portuguese (Brazil) | Russian | Spanish

    For the ARM64 driver:
    Chinese (Simplified) | Chinese (Traditional) | English (United States) | French | German | Italian | Japanese | Korean | Portuguese (Brazil) | Russian | Spanish

    Feature added: Improved Performance

    Details: More efficient packet buffer memory allocation

    Feature added: New Managed Identity (MSI) Authentication Support

    Details: Support for MSI authentication for Azure Arc and Azure Cloud Shell and updated to a newer Azure App Service API version

    Feature added: Bug fixes

    Details: Bug fixes.

    Original source
  • Jun 15, 2023
    • Date parsed from source:
      Jun 15, 2023
    • First seen by Releasebot:
      Apr 24, 2026
    Microsoft logo

    ODBC Driver for SQL Server by Microsoft

    18.2.2

    ODBC Driver for SQL Server releases 18.2.2.1 with bug fixes and updated installers for x64, x86, and ARM64 Preview.

    Version number: 18.2.2.1

    Released: June 15, 2023

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    Feature added: Bug fixes

    Details: Bug fixes.

    Original source
  • Jun 15, 2023
    • Date parsed from source:
      Jun 15, 2023
    • First seen by Releasebot:
      Apr 24, 2026
    Microsoft logo

    ODBC Driver for SQL Server by Microsoft

    17.10.4.1

    ODBC Driver for SQL Server releases 17.10.4.1 with bug fixes, bringing a maintenance update focused on stability and polish.

    Version number: 17.10.4.1

    Released: June 15, 2023

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    Feature added: Bug fixes

    Details: Bug fixes.

    Original source
  • Jan 31, 2023
    • Date parsed from source:
      Jan 31, 2023
    • First seen by Releasebot:
      Apr 24, 2026
    Microsoft logo

    ODBC Driver for SQL Server by Microsoft

    18.2

    ODBC Driver for SQL Server adds Windows ARM64 preview support and bug fixes in 18.2.1.1, expanding distribution options for more devices.

    Version number: 18.2.1.1

    Released: January 31, 2023

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    Feature added: New distribution supported

    Details: Windows ARM64(Preview)

    Feature added: Bug fixes

    Details: Bug fixes.

    Original source
  • Jan 26, 2023
    • Date parsed from source:
      Jan 26, 2023
    • First seen by Releasebot:
      Apr 24, 2026
    Microsoft logo

    ODBC Driver for SQL Server by Microsoft

    17.10.3

    ODBC Driver for SQL Server releases version 17.10.3.1 with bug fixes and a new feature update, offering refreshed x64 and x86 installers for January 2023.

    Version number: 17.10.3.1

    Released: January 26, 2023

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    Feature added: Bug fixes

    Details: Bug fixes.

    Original source
  • Nov 28, 2022
    • Date parsed from source:
      Nov 28, 2022
    • First seen by Releasebot:
      Apr 24, 2026
    Microsoft logo

    ODBC Driver for SQL Server by Microsoft

    17.10.2

    ODBC Driver for SQL Server releases 17.10.2.1 with custom action DLL signing fix and general bug fixes, bringing a small maintenance update for Windows installers and driver users.

    Version number: 17.10.2.1

    Released: November 28, 2022

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    Feature added: Fix custom action DLL signing

    Details: Fix custom action DLL signing

    Feature added: Bug fixes

    Details: Bug fixes.

    Original source

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