EF Core 7.0.9

EF Core 7.0.9 is available on NuGet now. This is a patch release of EF Core 7 containing only important bug fixes:

• Error "Index was outside the bounds of the array." when reading from dataset without AsNoTracking()

EF Core 7.0.8

This is a patch release of EF Core 7.0 containing only updates to dependencies. There are no additional fixes in this release beyond those already shipped in EF Core 7.0.7.

EF Core 6.0.20

This is a patch release of EF Core 6.0 containing only updates to dependencies. There are no additional fixes in this release beyond those already shipped in EF Core 6.1.19.

EF Core 6.0.19

This is a patch release of EF Core 6.0 containing only updates to dependencies. There are no additional fixes in this release beyond those already shipped in EF Core 6.1.18.

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.

EF Core 8 (EF8) Preview 4

EF Core 8 (EF8) Preview 4 is available from NuGet

Preview 4 contains the following new features:

• 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

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

• 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, and Preview 4.

EF Core 7.0.7

EF Core 7.0.7 is available on NuGet now. This is a patch release of EF Core 7 containing only important bug fixes:

• IndexOutOfRangeException in CreateNavigationExpansionExpression
• Linq select cannot project an entity containing both Json columns and ICollections
• Json: updating property with conversion from string to other type fails on sql server
• Duplicate table alias in generated select query (An item with the same key has already been added)
• InvalidOperationException when calling ExecuteUpdate with owned entity & using current value
• Query/Json: projecting entity collection along with json collection generates invalid shaper
• AutoInclude causes ExecuteDelete to fail
• Multiple LeftJoins (GroupJoins) lead to GroupJoin Exception when the same where is used twice
• SaveChanges circular dependency in unique unfiltered index (when change doesn't affect any column from unique index).

EF Core 6.0.18

This is a patch release of EF Core 6.0 containing only updates to dependencies. There are no additional fixes in this release beyond those already shipped in EF Core 6.1.16.

EF Core 8 (EF8) Preview 3

EF Core 8 (EF8) Preview 3 is available from NuGet

Preview 3 contains the following new features:

• 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

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

• 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, and Preview 3.

EF Core 6.0.16

This is a patch release of EF Core 6.0 containing only updates to dependencies. There are no additional fixes in this release beyond those already shipped in EF Core 6.1.15.