What's New in the .NET Framework

This section summarizes features that have been added or modified in the latest versions of the .NET Framework.

For more information about breaking changes that might affect your application, see Breaking Changes in the .NET Framework.

In This Section

• What's New in the .NET Framework Version 3.5 SP1
  Describes the features that are new in the 3.5 SP1 version.

• What's New in the .NET Framework Version 3.5
  Describes the features that are new in the 3.5 version.

• What's New in the .NET Framework Version 3.0
  Describes the features that are new in the 3.0 version.

• What's New in the .NET Framework Version 2.0
  Describes the features that are new in the 2.0 version.

• What's New in the .NET Framework Version 1.1
  Describes the features that are new in the 1.1 version.

• Version Compatibility
  Provides information about backward and forward compatibility. For more information about breaking changes that might affect your application, see Breaking Changes in the .NET Framework.

Related Sections

• Overview of the .NET Framework
  Provides conceptual overviews of the key features of the .NET Framework, including the common language runtime, the.NET Framework class library, and cross-language interoperability.