.NET
2026-09-10
The post explains how C# unions and closed hierarchies integrate with System.Text.Json in ASP.NET Core. It covers use across Minimal APIs, MVC, SignalR, Blazor, and OpenAPI.
2026-09-08
The .NET 11 Release Candidate 1 is now available. The release includes updates across libraries, runtime, SDK, MSBuild, NuGet, C#, F#, ASP.NET Core, .NET MAUI, and Windows Forms.
The call for presenters is open for .NET Conf 2026 Community Days. Session proposals are due by October 6, 2026.
The post announces the September 2026 servicing updates for .NET and .NET Framework. It is a recap of the latest servicing releases, but the provided text does not include version numbers or fixes.
2026-09-03
MSTest source generation now lets test projects run with the same Native AOT and trimming deployment model as the apps they validate. It also reduces reflection on the test execution path.
2026-08-27
Uno Platform built two MCP servers in C# to let AI agents use real documentation as context and interact with a running cross-platform .NET app. The post describes how .NET, MCP, and AI are combined to support app development and validation.
2026-08-25
.NET Conf 2026 is scheduled for November 10-12, 2026. The event will include three days of sessions and community content and will coincide with the launch of .NET 11.
2026-08-24
Microsoft says an agent built with Microsoft Agent Framework can be deployed to Foundry Hosted Agent with 1 NuGet package, 3 lines of C#, and 2 commands.
C# 15, shipping with .NET 11, adds union types, closed hierarchies, a preview of the updated unsafe model, and several smaller changes that reduce everyday boilerplate.
2026-08-13
Microsoft.Extensions.AI adds experimental routing primitives for model/provider selection and failover: RoutingChatClient, SemanticRoutingChatClient, and FailoverChatClient. These support content-based routing, failover handling, and custom routing policies.