Catch up on all the .NET sessions from Microsoft Build 2026 covering .NET 11, union types in C#, AI building blocks, the agentic web, .NET MAUI, and more!

Microsoft Copilot Studio recently upgraded its .NET WebAssembly engine to .NET 10. The migration was straightforward, simplified deployment, and delivered another round of meaningful performance gains for end users.

ASP.NET Core 2.3 will reach end of support on April 13, 2027. Learn what this means for your applications and how to upgrade to a modern supported version of .NET.

Learn how Microsoft Copilot Studio uses .NET to provide a consistent AI agent execution across platforms, including on the web via WebAssembly.

ASP.NET Core 2.1 has been reshipped as ASP.NET Core 2.3 to help users on the unsupported ASP.NET Core 2.2 move to a supported version.

The .NET Smart Components are now open source to help library authors build and share easy-to-use AI-powered features, including new AI-powered components from Telerik, DevExpress, and Syncfusion.

Introducing .NET Smart Components, a set of genuinely useful AI-powered UI components that you can quickly and easily add to .NET apps.

.NET 8 is now available! Check out all the new features and improvements in ASP.NET Core in this release.

.NET 8 Release Candidate 2 is now available! Check out what's new in ASP.NET Core in this update.

.NET 8 Release Candidate 1 is now available! Check out what's new in ASP.NET Core in this update.