2.3.0

• Support .NET 8.0.
  • Mark some serialization APIs as [Obsolete].
  • Implement DbBatchCommand.CreateParameter: #1352.
  • Optimizations: Use IUtf8SpanFormattable, Ascii.FromUtf16, Guid(bigEndian: true) constructor, argument-throwing helpers, etc.
• Support .NET Framework 4.8 (net48) TFM: #1355.
  • This allows TlsVersion = TLSv1.3 to be used on .NET Framework 4.8.
• Drop support for .NET 4.6.1 and .NET Core 3.1: #636, #1273.
  • .NET 4.6.1 support ended on 26 April 2022, and .NET Core 3.1 on 13 December 2022.
  • The minimum supported versions are now .NET Framework 4.6.2 and .NET 6.0, although other frameworks should be supported via netstandard2.0.
• MySqlDataSource is now available for all TFMs, not just .NET 7.0: #1269.
  • This provides a single place to configure a MySQL connection and makes it easier to register MySqlConnection with dependency injection.
  • Add MySqlDataSourceBuilder class to configure MySqlDataSource instances.
  • Add MySqlDataSource.Name and MySqlDataSourceBuilder.UseName.
• Microsoft.Extensions.Logging is now used as the core logging abstraction: #1110.
  • MySqlConnectorLogManager.Provider can still be used to add a logging destination, but it is now deprecated.
  • Use MySqlDataSourceBuilder.UseLoggerFactory to configure logging.
• Add new MySqlConnector.DependencyInjection package: #1271.
  • MySqlDataSource and MySqlConnection can be registered with dependency injection by using builder.Services.AddMySqlDataSource(connectionString).
  • This also configures logging automatically.
• Expose connection pool metrics: #491.
• Remove COM_MULTI protocol support: #946.
• Support ZEROFILL columns in MySqlDecimal: #1354.
• Support higher-precision DateTime values: #1379.
• Use ValueTask in MySqlBulkCopy API for all TFMs: #1364.
  • Breaking This changes the return type of WriteToServerAsync from Task<MySqlBulkCopyResult> to ValueTask<MySqlBulkCopyResult> on .NET Framework
• Support skipping metadata for prepared statements with MariaDB 10.6 and later: #1301.
• Support multiple authentication methods when connecting: #1303.
• Support per-query variables for CommandBehavior.SchemaOnly and SingleRow: #1312.
• Recycle MySqlDataReader objects: #1277.
• Perform XA rollback when preparing a transaction fails: #1348.
• Implement faster parsing for result sets with multiple rows: #1330.
• Optimize parameter encoding for ASCII strings: #1296.
• Use TcpClient.ConnectAsync overload with CancellationToken on .NET 5.0 and later: #1291.
• Fix cancellation when using a redirected connection: #1305.
• Fix MySqlConnection.CloneWith for connections created from a MySqlDataSource: #1306.
• Work around ephemeral PEM bug on Windows: #1278.
• Reduce allocations on common code paths.
• Fix bug when column name begins with @ in MySqlBulkCopy: #1365.
• Ignore MySqlDbType when serializing enum values: #1384.
• Fix bug that didn't copy MySqlDataSource in MySqlConnection.Clone: #1267.
• Fix version parsing for MariaDB 11.0 and later: #1311.
• Fix potential error in reallocating an internal buffer when writing ASCII text.
• Update handling of ActivityStatus to latest conventions: #1334.
• Reduce overhead of CommandTimeout: #1338.
• Reword end-of-stream message to be more generic: #1383.
• Thanks to @gboucher90, @JackBOBO, @Kielek, @rusher, and @stilettk for contributions to this release.

2.2.7

• Respect ConnectTimeout when resetting connection: #1321.
• Prevent connection pool falling back to an unsupported TLS version: #1349.

2.2.6

• Ignore deadlock exception when rolling back an XA transaction: #1317.
• Work around ephemeral PEM bug on Windows: #1278.
• Support new MariaDB version numbers: #1259.
• Thanks to @rusher for contributions to this release.

2.2.5

• Add support for DECIMAL UNSIGNED, fixing error in DeriveParameters: #1272.
• Fix parsing nan as float/double value on .NET Framework.

Full Changelog: 2.2.4...2.2.5

2.2.4

• Fix a race condition in recovering leaked sessions: #1263.
• Full Changelog: 2.2.3...2.2.4

2.2.3

• Avoid renormalizing parameter names when executing a prepared command: #1252.
• Fix "Unknown column SRS_ID" error in GetSchema: #1258.
• Use a standardized value for the TableName property of the DataTable returned from GetSchema.
• Minor performance improvements.
  • Remove FormatInvariant internal helper method: #1253.
  • Eliminate temporary byte array when getting real server version.
• Thanks to @neuecc for contributions to this release.

2.2.2

• Fix memory leak when initializing a TLS connection: #1247.
• Fix failure to dispose objects if an exception is thrown when connecting: #1248.

Full Changelog: 2.2.1...2.2.2

2.2.1

• Fix failure to load client SSL private key files: #1242.
  • Builds for .NET 6.0 and later were not affected.

2.2.0

• Support .NET 7.0.
  • Add MySqlDataSource, an implementation of DbDataSource for MySQL: #1208.
  • Use source-generated regular expressions.
  • Use UTF-8 literals to perform UTF-8 conversion at compile-time instead of runtime.
• Breaking Drop support for .NET 4.5: #1209.
• Add DNS Check Interval connection string option: #1201.
• Support restrictions in MySqlConnection.GetSchema.
  • Schema collections are code-generated: #1190.
• Use user-provided callbacks when opening new connection to KILL QUERY: #1179.
• Set activity tags when opening a connection fails: #1196.
• Raise Component.Disposed event from MySqlConnection.DisposeAsync: #1235.
• Use ValueTask instead of ValueTask<int>: #1233.
  • Breaking This changes the return type of MySqlConnection.ResetConnectionAsync for netstandard2.0, net461, net471.
• Possibly Breaking Normalize the order of keys in the connection string returned by MySqlConnectionStringBuilder.ConnectionString: #1217.
• Possibly Breaking Update dependencies.
  • Update System.Diagnostics.DiagnosticSource to 6.0.0.
  • Update System.Memory to 4.5.5.
  • Update System.Threading.Tasks.Extensions to 4.5.4: #1144.

2.1.13

• Swallow (but log) exceptions in MySqlDataReader.Dispose(Async): #1154.
• Add MySqlDataReader.GetBytes(string): #1197.
• Eliminate allocation in OnStatementBegin: #1207.
• Thanks to @CorentinPtrl and @iamcarbon for contributions to this release.