ADO.NET Entity Framework Version

ADO.NET Entity Framework Version

Version : 3.5
  This release provided basic O/RM support using the Database first development.
Version: 4.0

• Model-first development
• POCO support
• Lazy Loading
• T4 Code Generation

Version :4.1

• Code First development
• Introduced DbContext API
• Data Annotations and Fluent API Validation

Version: 4.2
The EF 4.2 release included the bug fixes to EF 4.1
Version: 4.3

• Code First Migrations
• Automatic Migrations

Version 5.0

• Enum Support in Code First and EF Designer
• Spatial Data Types in Code First and EF Designer
• Table-Valued Functions
• Multiple Diagrams per Model

Version 6.0:

• Async Query and Save
• Code-Based Configuration
• Dependency Resolution
• Interception/SQL logging
• Improved Connection Management
• Improved Transaction Support