Hotfix & Stable Release v2.1.3

Fixed

• Fixed wrong data blended with transactions in .NET Core by marking a connection as doomed if the transaction completes or aborts while there is an open result set #1051
• Fixed race condition issues between SinglePhaseCommit and TransactionEnded events #1049

Preview Release v3.0.0-preview3.21140.5

Added

• Added support for "Active Directory Default" authentication mode #1043
• Added support for connection-level and command-level registration of custom key store providers to enable multi-tenant applications to control key store access #1045 #1056 #1078
• Added IP address preference support for TCP connections #1015

Fixed

• Fixed corrupted connection issue when an exception occurs during RPC execution with TVP types #1068
• Fixed race condition issues between SinglePhaseCommit and TransactionEnded events #1042

Changed

• Updated error messages for enclave exceptions to include a link to a troubleshooting guide. #994
• Changes to share common files between projects #1022 #1038 #1040 #1033 #1028 #1039

For detailed release notes, refer 3.0.0-preview3.md

Preview Release v3.0.0-preview2.21106.5

Breaking Changes over preview release v3.0.0-preview1

• User Id connection property now requires Client Id instead of Object Id for User-Assigned Managed Identity #1010
• SqlDataReader now returns a DBNull value instead of an empty byte[]. Legacy behavior can be enabled by setting AppContext switch Switch.Microsoft.Data.SqlClient.LegacyRowVersionNullBehavior #998

Added

• Microsoft.Data.SqlClient now depends on Azure.Identity library to acquire token for "Active Directory Managed Identity/MSI" and "Active Directory Service Principal" authentication modes. #1010
• Upgraded Native SNI dependency to v3.0.0-preview1 along with enhanced event tracing support #1006

Fixed

• Fixed wrong data blended with transactions in .NET Core by marking a connection with open result to be doomed #1023
• Fixed derived parameters containing typename incorrectly #1020
• Fixed server connection leak possibilities when an exception occurs in pooling layer #890
• Fixed IP connection resolving logic in .NET Core #1016 #1031

Changed

• Performance improvements in SqlDateTime to DateTime internal conversion method #912
• Improved memory allocation by avoiding unnecessary context switching 1008
• Updated Microsoft.Identity.Client version from 4.21.1 to 4.22.0 #1036
• Various performance improvements #963 #996 #1004 #1012 #1017
• Event source tracing improvements #1018
• Changes to share common files between NetFx and NetCore source code #871 #887

For detailed release notes, refer 3.0.0-preview2.md.

Preview Release v3.0.0-preview1.21075.2

Breaking Changes over stable release v2.1

• The minimum supported .NET Framework version has been increased to v4.6.1. .NET Framework v4.6.0 is no longer supported. #899

Added

• Added support for Configurable Retry Logic #693 #966
• Added support for Event counters in .NET Core 3.1+ and .NET Standard 2.1+ #719
• Added support for Assembly Context Unloading in .NET Core #913
• Added missing System.Runtime.Caching dependency for .NET Standard assemblies #877

Fixed

• Fixed wrong results issues by changing the timeout timer to ensure a correct execution state #906
• Fixed Kerberos authentication issues when configured Server Principal Name (SPN) didn't contain default port #930
• Fixed MARS header errors when MakeReadAsyncBlocking App Context switch is set to false #910 #922
• Fixed unwanted exceptions being thrown from SqlDataReader.Dispose #920
• Fixed issues connecting to SQL Server instance with instance name specified from Unix environment #870
• Fixed TCP Keep Alive issues in .NET Core #854
• Fixed Kerberos Authentication issues caused due to regression #845
• Fixed issues with System-Assigned Managed Identity in Azure Functions #829
• Fixed missing error messages in Managed SNI #882
• Fixed event source trace string issue #940

Changes

• Changed App Context switch MakeReadAsyncBlocking default to false #937
• Replaced usage of BinaryFormatter with DataContractSerializer #869
• Prohibited DtdProcessing on XmlTextReader instance in .NET Core #884
• Improved performance by reducing memory allocations in SerializeEncodingChar/WriteEncodingChar and some options boxing #785
• Improved performance by preventing orphaned active packets being GC'ed without clear #888
• Various performance improvements #889 #900
• Partial event source tracing improvements in .NET Core #867 #897
• Changes to share common files between NetFx and NetCore source code #827 #835 #838 #881

For detailed release notes, refer 3.0.0-preview1.md.

Hotfix & Stable Release v1.1.4

Fixed

• Fixed wrong results issues by changing the timeout timer to ensure a correct execution state #950
• Fixed MARS header contains errors issue against .NET Framework 4.8+ #959

Hotfix & Stable Release v2.1.2

Fixed

• Fixed issue connecting with instance name from a Linux/macOS environment #874
• Fixed wrong results issues by changing the timeout timer to ensure a correct execution state #929
• Fixed a vulnerability by prohibiting DtdProcessing on XmlTextReader instances in .NET Core #885
• Fixed Kerberos authentication when an SPN does not contain the port #935
• Fixed missing error messages in Managed SNI #883
• Fixed missing System.Runtime.Caching dependency for .NET Standard assemblies #878
• Fixed event source tracing issues #941
• Fixed MARS header contains errors issue against .NET Framework 4.8.1 #928

[AzureKeyVaultProvider] Stable Release v2.0.0

Added

• Upgraded Azure Key Vault Provider to use new Azure Key Vault libraries #630

Breaking Changes

• Drops support for .NET Framework 4.6. The new minimum supported .NET Framework version is v4.6.1 #630
• Updated dependency of Microsoft.Data.SqlClient on .NET Framework and .NET Core to LTS stable version v1.1.3+ #946

Hotfix & Stable Release v2.1.1

Fixed

• Fixed issue with System-Assigned Managed Identity in Azure Functions #841
• Fixed issue with Kerberos Authentication for .NET Core in Unix environments #848
• Fixed issue with TCP Keep Alive for .NET Core in Unix environments #855

[AzureKeyVaultProvider] Stable Release v1.2.0

Changes

• Added support for .NET Standard 2.0. This requires Microsoft.Data.SqlClient v2.1.0 and above. #823
• Added new HSM endpoints. #750
• Added source linked PDBs for easier debugging of the package. #789

Stable Release v2.1.0

Added

• Microsoft.Data.SqlClient symbols are now source-linked #789
• Added an API to clear cached access tokens from the token provider #800
• Added SqlFacetAttribute implementation #757

Fixed

• Fixed InvalidOperationException and NotSupportedException errors due to WriteAsync collisions #796
• Fixed incorrect Settings.Async flag in ExecuteXmlReaderAsync #782
• Fixed a regression in Windows Integrated authentication when using managed networking #777
• Fixed Bulk Copy Async deadlock issues with custom IDataReader when using SqlDataReader internally #779
• Fixed a serialization issue with SqlException in .NET Core #780

Changes

• Updated versions of Microsoft.IdentityModel package dependencies #794

For summary of all changes over v2.0, refer 2.1.0.md