Microsoft Agent Framework 1.0: Building AI Agents in Pure C#
Microsoft Agent Framework hits 1.0 with stable APIs, multi-provider connectors, multi-agent orchestration, and A2A/MCP interop. Here is what it looks like in practice on .NET 10.
Tag: dotnet
406 posts · Page 32 of 41
What 878 Copilot Coding Agent PRs in dotnet/runtime Actually Look Like
The .NET team shares ten months of real data on running GitHub's Copilot Coding Agent in dotnet/runtime: 878 PRs, a 67.9% merge rate, and clear lessons on where AI-assisted development helps and where it still falls short.
Generative AI for Beginners .NET v2: Rebuilt for .NET 10 with Microsoft.Extensions.AI
Microsoft's free generative AI course for .NET developers ships Version 2, rebuilt for .NET 10 and migrated from Semantic Kernel to Microsoft.Extensions.AI's IChatClient pattern.
C# 14 idea: interceptors could make System.Text.Json source generation feel automatic
A community discussion proposed using C# 14 interceptors to rewrite JsonSerializer calls so they automatically use a generated JsonSerializerContext, keeping AOT-friendly source generation with cleaner call sites.
Polars.NET: a Rust DataFrame engine for .NET 10 that leans on LibraryImport
A new Polars.NET project is trending after a Feb 6, 2026 community post. The headline is simple: a .NET-friendly DataFrame API backed by Rust Polars, with a stable C ABI and LibraryImport-based interop to keep overhead low.
.NET Framework 3.5 Goes Standalone on New Windows Builds: What Breaks
Starting with Windows 11 Build 27965, .NET Framework 3.5 is no longer an optional Windows component. Here is what breaks in CI, provisioning, and golden images, and how to fix it.
TrailBase v0.23.7: A Single-Binary Firebase Alternative for .NET 10 and Flutter
TrailBase is an open-source, single-executable backend built on Rust, SQLite, and Wasmtime. Version 0.23.7 ships UI fixes and improved error handling.
2026-01-23 dotnet
NuGet “become owner” request spam: what to do (and what to lock down) in .NET 9/.NET 10
Defend your .NET packages against NuGet ownership request spam. Lock files, Package Source Mapping, and Central Package Management practices for .NET 9 and .NET 10.
Scalar in ASP.NET Core: why your Bearer token is ignored (.NET 10)
If your Bearer token works in Postman but not in Scalar, the problem is likely your OpenAPI document. Here is how to declare a proper security scheme in .NET 10.
TreatWarningsAsErrors without sabotaging dev builds (.NET 10)
How to enforce TreatWarningsAsErrors in Release builds and CI while keeping Debug flexible for local development in .NET 10, using Directory.Build.props.