Stable Release v4.0.5

[Stable release 4.0.5] - 2024-01-09

Fixed

• Fixed encryption downgrade issue. CVE-2024-0056
• Fixed certificate chain validation logic flow.

For summary of all changes over v4.0.4, refer to 4.0.5.md

Stable Release 3.1.5

[Stable release 3.1.5] - 2024-01-09

Fixed

• Fixed encryption downgrade issue. CVE-2024-0056
• Fixed certificate chain validation logic flow.

For summary of all changes over v3.1.4, refer to 3.1.5.md

Stable Release v2.1.7

[Stable release 2.1.7] - 2024-01-09

Fixed

• Fixed encryption downgrade issue. CVE-2024-0056
• Fixed certificate chain validation logic flow.

For summary of all changes over v2.1.6, refer to 2.1.7.md

Stable Release v5.1.2

[Stable release 5.1.2] - 2023-10-26

Fixed

• Fixed access violation when using SQL Express user instance. #2101
• Fixed Always Encrypted secure enclave retry logic for async queries. #1988
• Fixed LocalDb and managed SNI by improving the error messages and avoid falling back to the local service. #2129
• Fixed .NET and .NET Standard file version. 2093
• Fixed non-string values and SqlConnectionStringBuilder property indexer issue. #2018
• Fixed SqlConnectionEncryptOption type conversion by introducing the SqlConnectionEncryptOptionConverter attribute when using appsettings.json files. #2057
• Fixed Transient fault handling issue with OpenAsync. #1983
• Fixed activity correlator to continue use of same GUID for connection activity. #1997

Changed

• Updated Microsoft.Data.SqlClient.SNI (.NET Framework dependency) and Microsoft.Data.SqlClient.SNI.runtime (.NET Core/Standard dependency) version to 5.1.1. #2123

For summary of all changes over v5.1.1, refer to 5.1.2.md

Stable Release v4.0.4

[Stable release 4.0.4] - 2023-10-30

Fixed

• Fixed Always Encrypted secure enclave retry logic for async queries. #1988
• Fixed LocalDb and managed SNI by improving the error messages and avoid falling back to the local service. #2129
• Fixed .NET and .NET Standard file version. 2093
• Fixed activity correlator to continue use of same GUID for connection activity. #1997

For summary of all changes over v4.0.3, refer to 4.0.4.md

Stable Release 3.1.4

[Stable release 3.1.4] - 2023-10-31

Fixed

• Fixed Always Encrypted secure enclave retry logic for async queries. #1988
• Fixed LocalDb and managed SNI by improving the error messages and avoid falling back to the local service. #2129
• Fixed .NET and .NET Standard file version. 2093
• Fixed activity correlator to continue use of same GUID for connection activity. #1997
• Fixed FormatException when event source tracing is enabled. #1291

For summary of all changes over v3.1.3, refer to 3.1.4.md

Preview Release v5.2.0-preview3.23201.1

[Preview Release 5.2.0-preview3.23201.1] - 2023-07-20

This update brings the below changes over the previous release:

Added

• Added a new AccessTokenCallBack API to SqlConnection. #1260
• Added support for the SuperSocketNetLib registry option for Encrypt on .NET on Windows. #2047

Fixed

• Fixed SqlDataAdapter.Fill and configurable retry logic issue on .NET Framework. #2084
• Fixed SqlConnectionEncryptOption type conversion by introducing the SqlConnectionEncryptOptionConverter attribute when using appsettings.json files. #2057
• Fixed th-TH culture info issue on Managed SNI. #2066

Changed

• Switched to the new .NET NegotiateAuthentication API on .NET 7.0 and above for SSPI token negotiation using Managed SNI. #2063
• Removed ignoreSniOpenTimeout in open connection process on Windows. #2067
• Enforce explicit ordinal for internal StringComparison operations. #2068
• Code health improvements: #1959, #2071, #2073, #2088

For detailed release notes, refer to 5.2.0-preview3.md

Preview Release v5.2.0-preview2.23159.1

[Preview Release 5.2.0-preview2.23159.1] - 2023-06-08

This update brings the below changes over the previous release:

Added

• Added new property RowsCopied64 to SqlBulkCopy. #2004

Fixed

• Fixed mixed synchronization issue in managed SNI. #1029
• Fixed issue with SqlConnectionStringBuilder property indexer not supporting non-string values. #2018

Changed

• Moved to new System.Data.SqlTypes APIs in .NET 7 and upper. 1934 and #1981
• Changed UseOneSecFloorInTimeoutCalculationDuringLogin App Context switch default to true and extended its effect to .NET and .NET Standard. #2012
• Updated Microsoft.Identity.Client version from 4.47.2 to 4.53.0. #2031, #2055
• Code health improvement: #1985

For detailed release notes, refer to 5.2.0-preview2.md

Stable Release v2.1.6

[Stable release 2.1.6] - 2023-04-27

Fixed

• Fixed TDS RPC error on large queries in SqlCommand.ExecuteReaderAsync. #1986
• Fixed Default UTF8 collation conflict. #1989
• Fixed async deadlock issue when sending attention fails due to network failure. #1767

Preview Release v5.2.0-preview1.23109.1

[Preview Release 5.2.0-preview1.23109.1] - 2023-04-20

This update brings the below changes over the v5.1 release:

Added

• Added support of SqlDiagnosticListener on .NET Standard. #1931

Fixed

• Fixed AE enclave retry logic for async queries. #1988
• Fixed activity correlator to continue use of same GUID for connection activity. #1997
• Fixed behavior when error class is greater than 20 on connection retry. #1953
• Fixed error message when symmetric key decryption failed using Always Encrypted. #1948
• Fixed TransactionScope connection issue when Enlist is enable, Pooling is disabled and network connection type is Redirect. #1960
• Fixed TDS RPC error on large queries in SqlCommand.ExecuteReaderAsync. #1936
• Fixed throttling of token requests by calling AcquireTokenSilent. #1925
• Fixed Linux code coverage result in Build proj. #1950
• Fixed NullReferenceException in GetBytesAsync. #1906
• Fixed Transient fault handling issue with OpenAsync. #1983
• Fixed invariant mode checks. #1917
• Fixed GC behavior in TdsParser by adding array rental capability in TryReadPlpUnicodeChars. #1866

Changed

• Updated Azure Identity version from 1.7.0 to 1.8.0. #1921
• Improved parsing buffered characters in TdsParser. #1544
• Removed reference to Microsoft.Win32.Registry since it's shipped starting with .NET 6.0. #1974
• Added Microsoft.SqlServer.Types to verify support for SqlHierarchyId and Spatial for .NET Core. #1848
• Code health improvements:#1943#1949#1198#1829

For detailed release notes, refer to 5.2.0-preview1.md