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.