Microsoftが.NET 11 Preview 2のリリースを公開

3月 27, 2026
アップデートには、.NET ランタイム、SDK、ライブラリ、ASP.NET Coreなど、さまざまな面での改善を含む

英語で読み続ける:

The .NET Framework, a comprehensive development platform, has been a cornerstone of Microsoft's ecosystem for over two decades. It provides a rich set of class libraries, tools, and programming languages (like C#, VB.NET, and F#) that enable developers to create a wide range of applications, from desktop software to web services and mobile apps. With the approaching release of .NET 11, Microsoft continues its commitment to delivering a modern, high-performance, and cross-platform development environment.

Microsoft has announced the release of .NET 11 Preview 2. This Microsoft blog post highlights what's new in this release and includes links to download .NET 11 Preview 2. This .NET update contains improvements across the .NET Runtime, including:

  • Libraries - Various features and enhancements
  • Runtime - Significant progress toward runtime-native async
  • SDK - Smaller SDK installers on Linux and macOS, Code analyzer improvements, New SDK warnings and build targets, and more
  • C# 15 - Collection expression arguments and Union types
  • F# - Simplified DIM interface hierarchies, Compiler performance improvements, and more
  • ASP.NET Core - Native OpenTelemetry tracing, TempData support for Blazor, OpenAPI M3.2.0 support
  • Much more!

Read the official Microsoft Release blog for a detailed list of all of the planned improvements in .NET 11.