EF Core 5.0 preview 8 is available on NuGet now!

New features in preview 8 include:

• Table-per-type (TPT) mapping
• Migrations: Rebuild SQLite tables
• Table-valued functions
• Flexible query/update mapping
• Context-wide split-query configuration
• PhysicalAddress mapping
• Add FieldInfo overload for NavigationBuilder
• Query generation for GroupBy with OwnsOne
• Support join after GroupByAggregate
• Generate a warning for multiple collection Includes
• Convert multiple equality on same column joined by Or/Else into SQL IN expression
• Make discriminator properties read-only be default
• Add an IDbContextFactory that pools context instances
• Cosmos: Allow PK with just the partition key

Remember that all these features from previous previews are also included in preview 8:

• Register a factory for DbContext instances in D.I.
• Clear all tracked entities to reset DbContext state
• New pattern for store-generated defaults
• Better support for Cosmos partition keys
• New Cosmos configuration options
• Scaffold-DbContext now singularizes
• Support for database savepoints
• Split queries for Include and projection of collections
• IndexAttribute
• Improved query translation exceptions
• Application-specified transaction IDs
• IPAddress mapping
• Option to exclude OnConfiguring when scaffolding
• Translations for FirstOrDefault, etc. on strings
• Simplification of case blocks in generated SQL
• Database collations
• Flow arguments into IDesignTimeDbContextFactory
• No-tracking queries with identity resolution
• Stored (persisted) computed columns
• SQLite computed columns
• Configure database precision/scale in model
• Specify SQL Server index fill factor
• Filtered Include
• Command-line parameters for namespaces when scaffolding a DbContext or generating migrations
• Command-line support for passing a connection string to [dotnet ef database update]/[Update-Database]
• EnableDetailedErrors provides more information in query mapping exceptions
• Improved support for using Cosmos partition keys in queries
• New ModelBuilder API for navigation properties
• Support for the SQL Server DATALENGTH function
• Use a C# attribute to specify a property backing field
• Complete discriminator mapping
• Performance improvements in Microsoft.Data.Sqlite
• Simple Logging
• Simple way to get generated SQL
• Use a C# attribute to indicate that an entity has no key
• Connection or connection string can be changed on initialized DbContext
• Change-tracking proxies
• Enhanced debug views
• Improved handling of database null semantics
• Indexer properties
• Generation of check constraints for enum mappings
• IsRelational method for differential model building
• Cosmos optimistic concurrency with ETags
• Query translations for more DateTime constructs
• Query translations for more byte array constructs
• Query translation for Reverse
• Query translation for bitwise operators
• Query translation for strings on Cosmos

The .NET Blog announcement has installation instructions and full details.

This is a patch release of EF Core 3.1 containing only critical bug fixes.

EF Core 5.0 preview 7 is available on NuGet now!

New features in preview 7 include:

• Register a factory for DbContext instances in D.I.
• Clear all tracked entities to reset DbContext state
• New pattern for store-generated defaults
• Better support for Cosmos partition keys
• New Cosmos configuration options
• Scaffold-DbContext now singularizes
• Support for database savepoints

Remember that all these features from previous previews are also included in preview 7:

• Split queries for Include and projection of collections
• IndexAttribute
• Improved query translation exceptions
• Application-specified transaction IDs
• IPAddress mapping
• Option to exclude OnConfiguring when scaffolding
• Translations for FirstOrDefault, etc. on strings
• Simplification of case blocks in generated SQL
• Database collations
• Flow arguments into IDesignTimeDbContextFactory
• No-tracking queries with identity resolution
• Stored (persisted) computed columns
• SQLite computed columns
• Configure database precision/scale in model
• Specify SQL Server index fill factor
• Filtered Include
• Command-line parameters for namespaces when scaffolding a DbContext or generating migrations
• Command-line support for passing a connection string to [dotnet ef database update]/[Update-Database]
• EnableDetailedErrors provides more information in query mapping exceptions
• Improved support for using Cosmos partition keys in queries
• New ModelBuilder API for navigation properties
• Support for the SQL Server DATALENGTH function
• Use a C# attribute to specify a property backing field
• Complete discriminator mapping
• Performance improvements in Microsoft.Data.Sqlite
• Simple Logging
• Simple way to get generated SQL
• Use a C# attribute to indicate that an entity has no key
• Connection or connection string can be changed on initialized DbContext
• Change-tracking proxies
• Enhanced debug views
• Improved handling of database null semantics
• Indexer properties
• Generation of check constraints for enum mappings
• IsRelational method for differential model building
• Cosmos optimistic concurrency with ETags
• Query translations for more DateTime constructs
• Query translations for more byte array constructs
• Query translation for Reverse
• Query translation for bitwise operators
• Query translation for strings on Cosmos

The .NET Blog announcement has installation instructions and full details.

This is a patch release of EF Core 3.1 containing only critical bug fixes.

EF Core 5.0 preview 6 is available on NuGet now!

New features in preview 6 include:

• Split queries for Include and projection of collections
• IndexAttribute
• Improved query translation exceptions
• Application-specified transaction IDs
• IPAddress mapping
• Option to exclude OnConfiguring when scaffolding
• Translations for FirstOrDefault, etc. on strings
• Simplification of case blocks in generated SQL

Remember that all these features from previous previews are also included in preview 6:

• Database collations
• Flow arguments into IDesignTimeDbContextFactory
• No-tracking queries with identity resolution
• Stored (persisted) computed columns
• SQLite computed columns
• Configure database precision/scale in model
• Specify SQL Server index fill factor
• Filtered Include
• Command-line parameters for namespaces when scaffolding a DbContext or generating migrations
• Command-line support for passing a connection string to [dotnet ef database update]/[Update-Database]
• EnableDetailedErrors provides more information in query mapping exceptions
• Improved support for using Cosmos partition keys in queries
• New ModelBuilder API for navigation properties
• Support for the SQL Server DATALENGTH function
• Use a C# attribute to specify a property backing field
• Complete discriminator mapping
• Performance improvements in Microsoft.Data.Sqlite
• Simple Logging
• Simple way to get generated SQL
• Use a C# attribute to indicate that an entity has no key
• Connection or connection string can be changed on initialized DbContext
• Change-tracking proxies
• Enhanced debug views
• Improved handling of database null semantics
• Indexer properties
• Generation of check constraints for enum mappings
• IsRelational method for differential model building
• Cosmos optimistic concurrency with ETags
• Query translations for more DateTime constructs
• Query translations for more byte array constructs
• Query translation for Reverse
• Query translation for bitwise operators
• Query translation for strings on Cosmos

The .NET Blog announcement has installation instructions and full details.

EF Core 5.0 preview 5 is on NuGet now!

New features in preview 5 include:

• Database collations
• Flow arguments into IDesignTimeDbContextFactory
• No-tracking queries with identity resolution
• Stored (persisted) computed columns
• SQLite computed columns

Remember that all these preview 1, 2, 3, and 4 features are also included in preview 5:

• Configure database precision/scale in model
• Specify SQL Server index fill factor
• Filtered Include
• Command-line parameters for namespaces when scaffolding a DbContext or generating migrations
• Command-line support for passing a connection string to [dotnet ef database update]/[Update-Database]
• EnableDetailedErrors provides more information in query mapping exceptions
• Improved support for using Cosmos partition keys in queries
• New ModelBuilder API for navigation properties
• Support for the SQL Server DATALENGTH function
• Use a C# attribute to specify a property backing field
• Complete discriminator mapping
• Performance improvements in Microsoft.Data.Sqlite
• Simple Logging
• Simple way to get generated SQL
• Use a C# attribute to indicate that an entity has no key
• Connection or connection string can be changed on initialized DbContext
• Change-tracking proxies
• Enhanced debug views
• Improved handling of database null semantics
• Indexer properties
• Generation of check constraints for enum mappings
• IsRelational method for differential model building
• Cosmos optimistic concurrency with ETags
• Query translations for more DateTime constructs
• Query translations for more byte array constructs
• Query translation for Reverse
• Query translation for bitwise operators
• Query translation for strings on Cosmos
• Use a C# attribute to specify a property backing field
• Complete discriminator mapping
• Performance improvements in Microsoft.Data.Sqlite

The .NET Blog announcement has installation instructions and full details.

This is a patch release of EF Core 3.1 containing only updates to dependencies. There are no additional fixes in this release beyond those already shipped in EF Core 3.1.4.

EF Core 5.0 preview 4 is on NuGet now!

New features in preview 4 include:

• Configure database precision/scale in model
• Specify SQL Server index fill factor

Remember that all these preview 1, 2, and 3 features are also included in preview 4:

• Filtered Include
• Command-line parameters for namespaces when scaffolding a DbContext or generating migrations
• Command-line support for passing a connection string to [dotnet ef database update]/[Update-Database]
• EnableDetailedErrors provides more information in query mapping exceptions
• Improved support for using Cosmos partition keys in queries
• New ModelBuilder API for navigation properties
• Support for the SQL Server DATALENGTH function
• Use a C# attribute to specify a property backing field
• Complete discriminator mapping
• Performance improvements in Microsoft.Data.Sqlite
• Simple Logging
• Simple way to get generated SQL
• Use a C# attribute to indicate that an entity has no key
• Connection or connection string can be changed on initialized DbContext
• Change-tracking proxies
• Enhanced debug views
• Improved handling of database null semantics
• Indexer properties
• Generation of check constraints for enum mappings
• IsRelational method for differential model building
• Cosmos optimistic concurrency with ETags
• Query translations for more DateTime constructs
• Query translations for more byte array constructs
• Query translation for Reverse
• Query translation for bitwise operators
• Query translation for strings on Cosmos
• Use a C# attribute to specify a property backing field
• Complete discriminator mapping
• Performance improvements in Microsoft.Data.Sqlite

The .NET Blog announcement has installation instructions and full details.

This is a patch release of EF Core 3.1 containing only critical bug fixes.

EF Core 5.0 preview 3 is on NuGet now!

New features in preview 3 include:

• Filtered Include
• Command-line parameters for namespaces when scaffolding a DbContext or generating migrations
• Command-line support for passing a connection string to [dotnet ef database update]/[Update-Database]
• EnableDetailedErrors provides more information in query mapping exceptions
• Improved support for using Cosmos partition keys in queries
• New ModelBuilder API for navigation properties
• Support for the SQL Server DATALENGTH function

Remember that all these preview 1 and 2 features are also included in preview 3:

• Use a C# attribute to specify a property backing field
• Complete discriminator mapping
• Performance improvements in Microsoft.Data.Sqlite
• Simple Logging
• Simple way to get generated SQL
• Use a C# attribute to indicate that an entity has no key
• Connection or connection string can be changed on initialized DbContext
• Change-tracking proxies
• Enhanced debug views
• Improved handling of database null semantics
• Indexer properties
• Generation of check constraints for enum mappings
• IsRelational method for differential model building
• Cosmos optimistic concurrency with ETags
• Query translations for more DateTime constructs
• Query translations for more byte array constructs
• Query translation for Reverse
• Query translation for bitwise operators
• Query translation for strings on Cosmos
• Use a C# attribute to specify a property backing field
• Complete discriminator mapping
• Performance improvements in Microsoft.Data.Sqlite

The .NET Blog announcement has installation instructions and full details.

EF Core 5.0 preview 2 is on NuGet now!

For EF Core, preview 2 contains only a few new features over preview 1:

• Use a C# attribute to specify a property backing field
• Complete discriminator mapping
• Performance improvements in Microsoft.Data.Sqlite

All issues fixed in preview 2

The .NET Blog announcement has installation instructions and full details.

Remember that all these preview 1 features are also in preview 2:

• Simple Logging
• Simple way to get generated SQL
• Use a C# attribute to indicate that an entity has no key
• Connection or connection string can be changed on initialized DbContext
• Change-tracking proxies
• Enhanced debug views
• Improved handling of database null semantics
• Indexer properties
• Generation of check constraints for enum mappings
• Cosmos optimistic concurrency with ETags
• Query translations for more DateTime constructs
• Query translations for more byte array constructs
• Query translation for Reverse
• Query translation for bitwise operators
• Query translation for strings on Cosmos

All issues fixed in preview 1

This is a patch release of EF Core 3.1 containing only critical bug fixes.

This release updates dependencies but contains no code changes.

This is a patch release of EF Core 3.1 containing only critical bug fixes.

This is a patch release of EF Core 3.0 containing only critical bug fixes.

The primary goal of EF Core 3.1 is to polish the features and scenarios we delivered in EF Core 3.0. EF Core 3.1 will be a long term support (LTS) release, supported for at least 3 years. To this end we have fixed over 150 issues for the 3.1 release, but there are no major new features to announce.

EF Core 3.1 reintroduces support for .NET Standard 2.0, rather than requiring .NET Standard 2.1 as was the case for EF Core 3.0. This means EF Core 3.1 will run on .NET Framework versions that support the standard.

This was a preview release. It should not be used now that 3.1.0 RTM/GA has been released.

This was a preview release. It should not be used now that 3.1.0 RTM/GA has been released.

This was a preview release. It should not be used now that 3.1.0 RTM/GA has been released.

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