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Release Notes

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

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.

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

New features over preview release v5.2.0-preview2

Added new property AccessTokenCallBack to SqlConnection

SqlConnection supports TokenCredential authentication by introducing a new AccessTokenCallBack porperty as a Func<SqlAuthenticationParameters, CancellationToken,Task<SqlAuthenticationToken>> delegate to return a federated authentication access token.

Example usage:

    using Microsoft.Data.SqlClient;
    using Azure.Identity;

    const string defaultScopeSuffix = "/.default";
    string connectionString = GetConnectionString();
    using SqlConnection connection = new SqlConnection(connectionString);
    
    connection.AccessTokenCallback = async (authParams, cancellationToken) =>
    {
        var cred = new DefaultAzureCredential();
        string scope = authParams.Resource.EndsWith(defaultScopeSuffix) ? authParams.Resource : authParams.Resource + defaultScopeSuffix;
        AccessToken token = await cred.GetTokenAsync(new TokenRequestContext(new[] { scope }), cancellationToken);
        return new SqlAuthenticationToken(token.Token, token.ExpiresOn);
    }
    
    connection.Open();
    Console.WriteLine("ServerVersion: {0}", connection.ServerVersion);
    Console.WriteLine("State: {0}", connection.State);

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)
  • .NET Standard 2.0+ (Windows x86, Windows x64, Windows ARM64, Windows ARM, Linux, macOS)

Dependencies

.NET Framework

  • Microsoft.Data.SqlClient.SNI 5.1.0
  • Azure.Identity 1.8.0
  • Microsoft.Identity.Client 4.53.0
  • Microsoft.IdentityModel.JsonWebTokens 6.24.0
  • Microsoft.IdentityModel.Protocols.OpenIdConnect 6.24.0
  • System.Buffers 4.5.1
  • System.Configuration.ConfigurationManager 6.0.1
  • System.IO 4.3.0
  • System.Runtime.InteropServices.RuntimeInformation 4.3.0
  • System.Security.Cryptography.Algorithms 4.3.1
  • System.Security.Cryptography.Primitives 4.3.0
  • System.Text.Encoding.Web 6.0.0

.NET

  • Microsoft.Data.SqlClient.SNI.runtime 5.1.0
  • Azure.Identity 1.8.0
  • Microsoft.Identity.Client 4.53.0
  • Microsoft.IdentityModel.JsonWebTokens 6.24.0
  • Microsoft.IdentityModel.Protocols.OpenIdConnect 6.24.0
  • Microsoft.SqlServer.Server 1.0.0
  • System.Buffers 4.5.1
  • System.Configuration.ConfigurationManager 6.0.1
  • System.Diagnostics.DiagnosticSource 6.0.0
  • System.IO 4.3.0
  • System.Runtime.Caching 6.0.0
  • System.Text.Encoding.CodePages 6.0.0
  • System.Text.Encodings.Web 6.0.0
  • System.Resources.ResourceManager 4.3.0
  • System.Security.Cryptography.Cng 5.0.0
  • System.Security.Principal.Windows 5.0.0

.NET Standard

  • Microsoft.Data.SqlClient.SNI.runtime 5.1.0
  • Azure.Identity 1.6.0
  • Microsoft.Identity.Client 4.53.0
  • Microsoft.IdentityModel.Protocols.OpenIdConnect 6.24.0
  • Microsoft.IdentityModel.JsonWebTokens 6.24.0
  • Microsoft.SqlServer.Server 1.0.0
  • Microsoft.Win32.Registry 5.0.0
  • System.Buffers 4.5.1
  • System.Configuration.ConfigurationManager 6.0.1
  • System.IO 4.3.0
  • System.Runtime.Caching 6.0.0
  • System.Text.Encoding.CodePages 6.0.0
  • System.Text.Encodings.Web 6.0.0
  • System.Runtime.Loader 4.3.0
  • System.Resources.ResourceManager 4.3.0
  • System.Security.Cryptography.Cng 5.0.0
  • System.Security.Principal.Windows 5.0.0