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C# – .NET Blog
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Latest posts
Last updated 15 days ago
Explore new features available in C# 15 preview
16 days ago
C# 15 will ship with .NET 11 in November. All the new...
Routing and Failover for Microsoft.Extensions.AI
27 days ago
As AI adoption scales, cost, uptime, and latency become first-class constraints on...
.NET 11 Preview 7 is now available!
29 days ago
Today, we are excited to announce the seventh preview release of .NET...
Instructions Hygiene – What Frontier Models Still Need You to Say
28 days ago
Instructions files have a habit of growing in only one direction A...
Test reporting in Microsoft.Testing.Platform: from red build to root cause
about 1 month ago
When a test fails in CI, “the build is red” is only...
From generated code to trusted code with a unit-test agent
about 1 month ago
A common request to a coding agent is only one line Generate...
Announcing v2.0 of the official MCP C# SDK
about 1 month ago
The Model Context Protocol (MCP) C# SDK has reached v2.0, implementing the...
Modernize .NET applications in the GitHub Copilot app
2 months ago
Upgrading a .NET application isn’t a single prompt Every upgrade begins with...
.NET 11 Preview 6 is now available!
about 2 months ago
Today, we are excited to announce the sixth preview release of .NET...
Join us for .NET Day on Agentic Modernization Livestream
3 months ago
If you’re modernizing .NET apps and want practical ways to move faster...
.NET 11 Preview 5 is now available!
3 months ago
Today, we are excited to announce the fifth preview release of .NET...
.NET at Microsoft Build 2026: Must watch sessions
3 months ago
That’s a wrap on Microsoft Build 2026! From union types in C#...