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.NET Foundation

@dotnetfoundation.org

Independent foundation fostering open development and collaboration around the growing collection of open source technologies for .NET. dotnetfoundation.org

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.NET Foundation@dotnetfoundation.org · 3d ago

📣Want to amplify your .NET project? Submit your blogs and videos to the .NET Foundation content repo! We’ll help share your technical brilliance with the community. Go here: hubs.li/Q04rpqhG0 #dotnet #OSS

GitHub - dotnet-foundation/content: Repo for submitting content for social amplification as well as content creation (i.e. blog, website, social)

Repo for submitting content for social amplification as well as content creation (i.e. blog, website, social) - dotnet-foundation/content

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.NET Foundation@dotnetfoundation.org · 3d ago

Announcing v2.0 of the official MCP C# SDK MCP C# SDK v2.0 implements the 2026-07-28 specification with a stateless-first protocol, standardized HTTP headers, and Multi Round-Trip Requests for interactive tools, all while staying backward compatible.

Announcing v2.0 of the official MCP C# SDK - .NET Blog

MCP C# SDK v2.0 implements the 2026-07-28 specification with a stateless-first protocol, standardized HTTP headers, and Multi Round-Trip Requests for interactive tools, all while staying backward comp...

devblogs.microsoft.com

.NET Foundation@dotnetfoundation.org · last wk.

Analyze MSBuild Binary Logs with Copilot in VS Code - a Copilot-powered way to read MSBuild binary logs, explain and fix build failures with one click, compare builds, and catch regressions, backed by the Microsoft.AITools.BinlogMcp MCP server. hubs.li/Q04qZlbs0 #dotnet

Analyze MSBuild Binary Logs with Copilot in VS Code - .NET Blog

Meet the MSBuild Binlog Analyzer for VS Code - a Copilot-powered way to read MSBuild binary logs, explain and fix build failures with one click, compare builds, and catch regressions, backed by the Mi...

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.NET Foundation@dotnetfoundation.org · 3w ago

.NET 11 Preview 6 is now available! - .NET Blog Find out about the new features in .NET 11 Preview 6 across runtime, SDK, libraries, #ASPNETCore, .NET MAUI, C#, Entity Framework Core, F#, and container images. hubs.li/Q04pJxCl0 #dotnet

.NET 11 Preview 6 is now available! - .NET Blog

Find out about the new features in .NET 11 Preview 6 across runtime, SDK, libraries, ASP.NET Core, .NET MAUI, C#, Entity Framework Core, F#, and container images.

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.NET Foundation@dotnetfoundation.org · 3w ago

Ever wonder why “.NET Host” shows up in Task Manager—or why BenchmarkDotNet sometimes appears to hang? @davidmccarter.bsky.social breaks it down what happens before Main() runs: dotnet, apphost, hostfxr, hostpolicy, CoreCLR, and how to diagnose stuck host processes.

The .NET Host Process: What Runs Before Main() and Why It Sometimes Hangs

This guide explores the essential role of the .NET host process, which initializes the runtime, resolves dependencies, and launches applications. It highlights common issues with lingering host pro…

dotnettips.com

.NET Foundation@dotnetfoundation.org · last mo.

Still creating and disposing HttpClient on every request? That “clean” code can quietly destroy performance. Benchmarks reveal that reusing a shared HttpClient is 12,109× faster and reduces allocations by 10×. hubs.li/Q04m_HwZ0 via @davidmccarter.bsky.social

IO Performance: Reuse HttpClient to Avoid Connection Overhead

When populating collections in .NET, choosing the right bulk operation improves both clarity and efficiency. Methods like AddRange() and InsertRange() allow multiple items to be added in a single c…

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.NET Foundation@dotnetfoundation.org · 2mo ago

⏳ Last day to vote in the 2026 .NET Foundation Board Election! If you haven’t cast your ballot yet, now’s the time. 🗳️ Check your inbox for your voting link. Voting closes today.

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.NET Foundation@dotnetfoundation.org · 2mo ago

Can Copilot actually make .NET code faster? Sometimes, yes. But only when unit tests, BenchmarkDotNet, and allocation checks prove it. This article shows Spargine performance wins from Copilot suggestions—some small, one massive. hubs.li/Q04lk-3s0 via @davidmccarter.bsky.social

Boost Your .NET Projects: Copilot, Benchmarks, and the Truth About Faster Code

The article discusses the limitations and benefits of using Copilot for code optimization in the Spargine .NET project. While some suggestions from Copilot significantly improved performance, other…

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.NET Foundation@dotnetfoundation.org · 2mo ago

The Board plays an important role in guiding strategy, governance, partnerships, and community growth. If you haven't voted yet, take a moment to cast your ballot and help determine the Foundation's next chapter.

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.NET Foundation@dotnetfoundation.org · 2mo ago

🗳️ Have you voted yet? The 2026 .NET Foundation Board Election is underway! Your vote helps shape the future of community growth, partnerships, governance, and strategy across the ecosystem. 📩 Check your inbox for your ballot ⏳ Voting ends June 19

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.NET Foundation@dotnetfoundation.org · 2mo ago

This article helps .NET #OSS library maintainers make their assemblies trimmable, reducing app size, improving startup performance & preparing projects for Native AOT. Practical guidance for building faster, leaner modern #dotnet libraries. hubs.li/Q04jhml30 @davidmccarter.bsky.social

Make Your .NET Assemblies Trimmable: Smaller Apps, Faster Starts, and AOT-Ready Code

Do you trim your applications? Do you configure your reusable DLLs to be trimmable? If you build class libraries, NuGet packages, shared internal frameworks, or utility assemblies, this is somethin…

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