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Release Notes

[Preview Release 6.0.0-preview1.24240.8] - 2024-08-27

This update brings the below changes over the previous release:

Contributors

Thanks to the following public contributors. Their efforts toward this project are very much appreciated.

Breaking Changes

  • Removed support for .NET Standard. #2386
  • Removed UWP (uap) references. #2483

Added

  • Added TokenCredential object to take advantage of token caching in ActiveDirectoryAuthenticationProvider. #2380
  • Added DateOnly and TimeOnly support to DataTable as a structured parameter. #2258
  • Added Microsoft.Data.SqlClient.Diagnostics.SqlClientDiagnostic type in .NET. #2226
  • Added scope trace for GenerateSspiClientContext. #2497, #2725

Fixed

  • Fixed Socket.Connect timeout issue caused by thread starvation. #2777
  • Fixed pending data with SqlDataReader against an encrypted column. #2618
  • Fixed Entra authentication when using infinite connection timeout in ActiveDirectoryAuthenticationProvider. #2651
  • Fixed GetSchema by excluding unsupported engines due to lack of support for ASSEMBLYPROPERTY function. #2593
  • Fixed SSPI retry negotiation with default port in .NET. #2559
  • Fixed assembly path in .NET 8.0 and .AssemblyAttributes. #2550
  • Fixed certificate chain validation. #2487
  • Fixed clone of SqlConnection to include AccessTokenCallback. #2525
  • Fixed issue with DateTimeOffset in table-valued parameters, which was introduced in 5.2. #2453
  • Fixed ArgumentNullException on SqlDataRecord.GetValue when using user-defined data type on .NET. #2448
  • Fixed SqlBuffer and SqlGuild when it's null. #2310
  • Fixed SqlBulkCopy.WriteToServer state in a consecutive calls. #2375
  • Fixed null reference exception with SqlConnection.FireInfoMessageEventOnUserErrors after introducing the batch command. #2399

Changed

  • Updated Microsoft.Data.SqlClient.SNI version to 6.0.0-preview1.24226.4. #2772
  • Improved access to SqlAuthenticationProviderManager.Instance and avoid early object initiation. #2636
  • Removed undocumented properties of Azure.Identity in ActiveDirectoryAuthenticationProvider. #2562
  • Replaced System.Runtime.Caching with Microsoft.Extensions.Caching.Memory. #2493
  • Updated EnableOptimizedParameterBinding to only accept text mode commands. #2417
  • Updated Azure.Identity version from 1.10.3 to 1.11.4. #2577
  • Updated Azure.Core version from 1.35.0 to 1.38.0. #2462
  • Updated Azure.Security.KeyVault.Keys version from 4.4.0 to 4.5.0. #2462
  • Updated Microsoft.IdentityModel.JsonWebTokens and Microsoft.IdentityModel.Protocols.OpenIdConnect from 6.35.0 to 7.5.0. #2429
  • Removed direct dependency to Microsoft.Identity.Client to take the transient dependecy through Azure.Identity. #2577
  • Removed unnecessary references Microsoft.Extensions.Caching.Memory and System.Security.Cryptography.Cng after removing .NET Standard. #2577
  • Improved memory allocation when reader opened by CommandBehavior.SequentialAccess over the big string columns. #2356
  • Improved SSPI by consolidating the context generation to single abstraction and using memory/span for SSPI generation. #2255, #2447
  • Reverted the #2281 code changes on ManagedSNI. #2395
  • Updated assembly version to 6.0.0.0. #2382
  • Code health improvements: #2366, #2369, #2381, #2390, #2392, #2403, #2410, #2413, #2425, #2428, #2440, #2443, #2450, #2466, #2486, #2521, #2522, #2533, #2552, #2560, #2726, #2751, #2811

Target Platform Support

  • .NET Framework 4.6.2+ (Windows x86, Windows x64)
  • .NET 6.0+ (Windows x86, Windows x64, Windows ARM64, Windows ARM, Linux, macOS)

Dependencies

.NET Framework

  • Microsoft.Data.SqlClient.SNI 6.0.0-preview1.24226.4
  • Azure.Identity 1.11.4
  • Microsoft.Extensions.Caching.Memory 6.0.1
  • Microsoft.IdentityModel.JsonWebTokens 7.5.0
  • Microsoft.IdentityModel.Protocols.OpenIdConnect 7.5.0
  • System.Buffers 4.5.1
  • System.Text.Encodings.Web 6.0.0

.NET 6

  • Microsoft.Data.SqlClient.SNI.runtime 6.0.0-preview1.24226.4
  • Azure.Identity 1.11.4
  • Microsoft.Extensions.Caching.Memory 6.0.1
  • Microsoft.IdentityModel.JsonWebTokens 7.5.0
  • Microsoft.IdentityModel.Protocols.OpenIdConnect 7.5.0
  • Microsoft.SqlServer.Server 1.0.0
  • System.Configuration.ConfigurationManager 6.0.1

.NET 8

  • Microsoft.Data.SqlClient.SNI.runtime 6.0.0-preview1.24226.4
  • Azure.Identity 1.11.4
  • Microsoft.Extensions.Caching.Memory 8.0.0
  • Microsoft.IdentityModel.JsonWebTokens 7.5.0
  • Microsoft.IdentityModel.Protocols.OpenIdConnect 7.5.0
  • Microsoft.SqlServer.Server 1.0.0
  • System.Configuration.ConfigurationManager 8.0.0