What new in .net 2019

This article summarizes key new features and improvements in the following versions of the .NET Framework:

• .NET Framework 4.8
• .NET Framework 4.7.2
• .NET Framework 4.7.1
• .NET Framework 4.7
• .NET Framework 4.6.2
• .NET Framework 4.6.1
• .NET 2015 and .NET Framework 4.6
• .NET Framework 4.5.2
• .NET Framework 4.5.1
• .NET Framework 4.5

This article does not provide comprehensive information about each new feature and is subject to change. For general information about the .NET Framework, see Getting Started. For supported platforms, see System Requirements. For download links and installation instructions, see Installation Guide.

Note

The .NET Framework team also releases features out of band with NuGet to expand platform support and to introduce new functionality, such as immutable collections and SIMD-enabled vector types. For more information, see Additional Class Libraries and APIs and The .NET Framework and Out-of-Band Releases. See a complete list of NuGet packages for the .NET Framework.

Introducing .NET Framework 4.8

.NET Framework 4.8 builds on previous versions of the .NET Framework 4.x by adding many new fixes and several new features while remaining a very stable product.

Downloading and installing .NET Framework 4.8

You can download .NET Framework 4.8 from the following locations:

• .NET Framework 4.8 Web Installer

• NET Framework 4.8 Offline Installer

.NET Framework 4.8 can be installed on Windows 10, Windows 8.1, Windows 7 SP1, and the corresponding server platforms starting with Windows Server 2008 R2 SP1. You can install .NET Framework 4.8 by using either the web installer or the offline installer. The recommended way for most users is to use the web installer.

You can target .NET Framework 4.8 in Visual Studio 2012 or later by installing the .NET Framework 4.8 Developer Pack.

What's new in .NET Framework 4.8

.NET Framework 4.8 introduces new features in the following areas:

• Base classes
• Windows Communication Foundation (WCF)
• Windows Presentation Foundation (WPF)
• Common language runtime

Improved accessibility, which allows an application to provide an appropriate experience for users of Assistive Technology, continues to be a major focus of .NET Framework 4.8. For information on accessibility improvements in .NET Framework 4.8, see What's new in accessibility in the .NET Framework.