EF Core 6.0 Preview 6

EF Core 6.0 preview 6 is available from NuGet.

Preview 6 contains the following new features:

• Support Timeout.InfiniteTimeSpan in SetCommandTimeout
• Support suspending/bypassing the configured DbContext's IExecutionStrategy
• Support 64-bit Identity seed values
• Warn when saving an optional dependent with all null properties when table splitting
• Remove existing schema when HasSchema(null) is called
• Add equivalent of IRelationalDbContextOptionsBuilderInfrastructure to in-memory provider
• Make HasDbFunction on function override implicit ToTable mapping
• Make IScaffoldingModelFactory public
• Uniquify and validate Check Constraint name
• Translate MathF members to SQL functions on SQLite
• Pre-convention model configuration
• Mechanism/API to specify a default conversion for any property of a given type in the model
• Support Ignore() for non entity type candidates

And for Microsoft.Data.Sqlite:

• Support the new BCL DateOnly and TimeOnly structs for SQLite

Preview 6 also includes the following new features from previews 1 through 5:

• Reduce EF Core application startup time via compiled models
• Add TagWith overload that gets the filename and line number automatically
• Translate bool ToString for SQL Server
• Scaffold from a database and generate C# 8 nullable reference types
• Translate Substring with single parameter
• Support split queries for projections containing non-navigation collections
• Improve EF Core performance on TechEmpower Fortunes
• Support empty constructor and DbContextOptions constructor in DbContextFactory
• Make DbContext pooling accessible to non-DI applications
• Increase the default maximum context pool size to 1024
• Improvements to optional dependents sharing table with principal
• Detection of trailing underscores when matching backing fields to properties
• Performance gain by recycling relational and ADO.NET objects in query execution
• Allow explicit temporary values to be stored in entity instances
• Default options added to all ToDebugString methods
• Improved logging of array parameter values
• Preserve synchronization context in SaveChangesAsync
• Translate String.Concat with multiple arguments
• Smoother integration with System.Linq.Async
• More flexible free-text search
• UnicodeAttribute
• PrecisionAttribute
• EntityTypeConfigurationAttribute
• Translate ToString on SQLite
• EF.Functions.Random
• Support for SQL Server sparse columns
• In-memory database: validate required properties are not null
• Improved SQL Server translation for IsNullOrWhitespace
• Database comments are scaffolded to code comments

And for Microsoft.Data.Sqlite:

• Fall back to case-insensitive matches for SqliteDataReader[<string>]
• Add Span overloads to SqliteBlob

See GitHub for all issues resolved in preview 6.