EF Core 8.0 (EF8) Preview 5

EF Core 8 (EF8) Preview 5 is available from NuGet

Preview 5 contains the following new features:

• SQLite RevEng: Sample data to determine CLR type
• Allow default value check in value generation to be customized
• Update handling of non-nullable store-generated properties

In addition, Preview 2 contains the following features from Previews 1, 2, 3, and 4:

• IN() list queries are not parameterized, causing increased SQL Server CPU usage
• Allow 'unsharing' connection between contexts
• Remove unneeded subquery and projection when using ordering without limit/offset in set operations
• Make SequentialGuidValueGenerator non-allocating
• Support querying over primitive collections
• JSON/Sqlite: use -> and ->> where possible when traversing JSON, rather than json_extract
• Add Generic version of EntityTypeConfiguration Attribute
• NativeAOT/trimming compatibility for Microsoft.Data.Sqlite
• Map collections of primitive types to JSON column in relational database
• Translate DateTimeOffset.ToUnixTime(Seconds|Milliseconds)
• Allow pooling DbContext with singleton services
• Optional RestartSequenceOperation.StartValue
• Generate compiled relational model
• Global query filters produce too many parameters
• Optimize update path for single property JSON element
• JSON columns can be used in compiled models
• Unneeded parentheses removed in SQL queries
• Set operations are supported over non-entity projections with different facets
• Json: add support for Sqlite provider
• SQL Server: Support hierarchyid
• Configuration to opt out of occasionally problematic SaveChanges optimizations
• Add convention types for triggers
• Translate element access of a JSON array
• Raw SQL queries for unmapped types
• Support the new BCL DateOnly and TimeOnly structs for SQL Server
• Translate ElementAt(OrDefault)
• Opt-out of lazy-loading for specific navigations
• Lazy-loading for no-tracking queries
• Reverse engineer Synapse and Dynamics 365 TDS
• Set MaxLength on TPH discriminator property by convention
• Translate ToString() on a string column
• Generic overload of ConventionSetBuilder.Remove
• Lookup tracked entities by primary key, alternate key, or foreign key
• Allow UseSequence and HiLo on non-key properties
• Pass query tracking behavior to materialization interceptor
• Use case-insensitive string key comparisons on SQL Server
• Allow value converters to change the DbType
• Resolve application services in EF services
• Numeric rowersion properties automatically convert to binary
• Allow transfer of ownership of DbConnection from application to DbContext
• Provide more information when 'No DbContext was found' error is generated

See GitHub for all issues resolved in Preview 1, Preview 2, Preview 3, Preview 4, and Preview 5.