Microsoft .NET | News, how-tos, features, reviews, and videos
Latest preview of the next .NET brings improvements across the board, from the runtime and libraries to the C# and F# programming languages.
Interactive upgrade canvas presents a live view of the GitHub Copilot upgrade agent’s workflow as it assesses, plans, and executes .NET upgrades.
Microsoft will no longer provide servicing updates, security fixes, or technical support for .NET 8 and .NET 9 after November 10, 2026.
Patching is not enough: applications embedding the insecure library will need to be rebuilt, and affected tokens and cookies expired.
Microsoft will stop providing security patches, bug fixes, and technical support for ASP.NET Core 2.3 on April 7, 2027.
This second preview release also features improvements to the .Net SDK, code analyzer, and ASP.NET Core.
The next .NET platform brings changes to runtime and hardware, as well as runtime async support.
File-based apps, extension members, nameof improvements, and user-defined compound assignment operators make life easier for C# programmers. You’ll need .NET 10.
Next version of Microsoft’s software development platform brings improvements for JIT compilation, WebAssembly, C#, and F#.
Legacy .NET Framework version is now available as a standalone installer for applications that require it on newer versions of Windows.