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Agent Skills are coming to @VisualStudio

🛡️ Microsoft is improving memory safety in C# The .NET team shared ongoing work around safer APIs, compiler analysis, tooling, and runtime improvements for more secure high-performance applications. Interesting direction for the future of modern .NET development 👀 🔗Read More: devblogs.microsoft.com/dotne… 📰@runfaster2000 👉Follow dotnet.news for more updates.

🤖 Agent Skills are coming to @VisualStudio @Microsoft is bringing customizable AI agent capabilities directly into the IDE for smarter workflows, automation, and developer productivity. Another big step toward AI-native development in the .NET ecosystem 👀 🔗Read more: devblogs.microsoft.com/visua… Follow dotnet.news for more updates

.NET 11 Preview 4 has officially arrived

🚀@dotnet 11 Preview 4 is now available! Highlights include: • Process API improvements • OpenTelemetry support for .NET CLI • MCP Server template support • ASP.NET Core & Blazor updates • EF Core vector search enhancements • Performance & JIT optimizations 🔗 devblogs.microsoft.com/dotne… Follow dotnet.news for more .NET news 👀

Issue #23 of The .NET Insider is here 🚀 This edition covers .NET security updates, Microsoft Agent Framework, Aspire enhancements, SkiaSharp 4.0 Preview 1, SignalR JWT authentication, EF Core performance insights, distributed caching with PostgreSQL & Azure, and more. A packed week for .NET developers building cloud-native and AI-powered applications. Subscribe to stay updated with the latest from the .NET ecosystem: dotnet.news #dotnet #dotnetdevelopers dotnet.news/p/the-net-inside…

𝗛𝗶𝗴𝗵-𝗣𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲 𝗗𝗶𝘀𝘁𝗿𝗶𝗯𝘂𝘁𝗲𝗱 𝗖𝗮𝗰𝗵𝗶𝗻𝗴 𝘄𝗶𝘁𝗵 .𝗡𝗘𝗧 𝗮𝗻𝗱 𝗣𝗼𝘀𝘁𝗴𝗿𝗲𝘀 𝗼𝗻 𝗔𝘇𝘂𝗿𝗲 This article demonstrates how to build high-performance distributed caching solutions using @dotnet, @PostgreSQL, and @Azure services. It covers architectural patterns for scalable caching, persistence strategies, and integration with modern cloud-native .NET applications. The post highlights performance considerations and practical deployment approaches for distributed systems. 🌐Details - devblogs.microsoft.com/dotne… 📝Jared Meade 📧Subscribe for updates - dotnet.news #dotnet #postgres

VSTest is Removing its Newtonsoft.Json Dependency

𝗩𝗦𝗧𝗲𝘀𝘁 𝗶𝘀 𝗥𝗲𝗺𝗼𝘃𝗶𝗻𝗴 𝗶𝘁𝘀 𝗡𝗲𝘄𝘁𝗼𝗻𝘀𝗼𝗳𝘁.𝗝𝘀𝗼𝗻 𝗗𝗲𝗽𝗲𝗻𝗱𝗲𝗻𝗰𝘆 Microsoft announced that VS Test is moving away from Newtonsoft.Json in favor of System.Text.Json. The change aims to reduce dependencies, improve performance, and align testing infrastructure with the modern .NET ecosystem. 🌐Details - devblogs.microsoft.com/dotne… @mckenna_barlow @dotnet 📧Subscribe for updates - dotnet.news #dotnet #dotnetdevelopers

AI is reshaping .NET faster than expected. Issue 22 covers: • .NET 11 Preview • MCP AI agents • Aspire updates • C# 15 • Native AOT & MAUI The shift to AI-first dev is real 👇 dotnet.news/p/the-net-inside…

.NET 11 Preview 3 is out 🚀 • Better System.Text.Json control • Runtime & JIT improvements • ASP.NET Core (Zstandard) • Early C# union types • CLI enhancements @dotnet Worth checking 👇 devblogs.microsoft.com/dotne… 📩 dotnet.news/

C# 15 introduces union types 🔥 Cleaner models. Less boilerplate. More expressive code. 🌐 Details - devblogs.microsoft.com/dotne… 📄 By @billwagner @dotnet Big win for C# devs 👉 dotnet.news

A tiny RAG stack Foundry Local = offline AI that actually feels practical. Worth a read if you like simple, powerful architectures. 👉 Blog, buff.ly/pdY7wWE

ASP.NET Core 2.3 reaches end of support on April 13, 2027. No updates. No fixes. No support. Time to upgrade to @dotnet 10 🌐 Details - devblogs.microsoft.com/dotne… 🗞 By @danroth27 Subscribe for more .NET updates dotnet.news

.NET 11 Preview 2 is now available! Preview 2 introduces improvements across the runtime, SDK, ASP.NET Core, Blazor, EF Core, and container images. This preview mainly focuses on platform improvements, tooling, and performance. 🌐Details - devblogs.microsoft.com/dotne… 📝@dotnet 📰dotnet.news #dotnet #dotnetdevelopers

𝗚𝗲𝘁 𝗦𝘁𝗮𝗿𝘁𝗲𝗱 𝘄𝗶𝘁𝗵 𝗚𝗶𝘁𝗛𝘂𝗯 𝗖𝗼𝗽𝗶𝗹𝗼𝘁 𝗖𝗟𝗜 – 𝗙𝗿𝗲𝗲 𝗛𝗮𝗻𝗱𝘀-𝗢𝗻 𝗖𝗼𝘂𝗿𝘀𝗲 @Microsoft released a free open-source course that teaches developers how to use @github Copilot directly from the terminal. Instead of simple autocomplete, Copilot CLI can: - Explain code and files - Generate tests - Help debug issues - Refactor code Build features directly from the command line The course walks through 8 practical chapters using a real project and covers: - @GitHubCopilot CLI setup and authentication - Using agents and skills - Referencing files with @ context - MCP server integration - Building complete AI-powered workflows A great way to learn how AI-assisted development is evolving beyond the IDE and into the terminal. 📄 @DanWahlin 🌐Details - developer.microsoft.com/blog… ✨️dotnet.news #dotnet #githubcopilot #ai #developers #programming #softwaredevelopment

𝗠𝗖𝗣 𝗖# 𝗦𝗗𝗞 𝘃𝟭.𝟬 𝗥𝗲𝗹𝗲𝗮𝘀𝗲𝗱 @microsoft has released version 1.0 of the official C# SDK for the Model Context Protocol (MCP) — a major step forward for developers building AI agents and AI-powered apps in @dotnet . @ is an open protocol that enables AI models to interact with tools, data sources, and services in a standardized way. 🌐details - devblogs.microsoft.com/dotne… 📝@mkistler82 📰dotnet.news #dotnet #dotnetdevelopers

.NET 11 Preview 1 Released – What’s Next for Modern .NET?

.𝗡𝗘𝗧 𝟭𝟭 𝗣𝗿𝗲𝘃𝗶𝗲𝘄 𝟭 𝗥𝗲𝗹𝗲𝗮𝘀𝗲𝗱 – 𝗪𝗵𝗮𝘁’𝘀 𝗡𝗲𝘅𝘁 𝗳𝗼𝗿 𝗠𝗼𝗱𝗲𝗿𝗻 .𝗡𝗘𝗧? .NET 11 Preview 1 is here, introducing early improvements across the runtime, SDK, and developer tooling. This first preview gives developers a look at upcoming performance enhancements, platform updates, and new capabilities shaping the future of .NET applications. Now is the time to explore, test, and prepare for what’s next in the .NET ecosystem. Details - devblogs.microsoft.com/dotne… By @dotnet Subscribe to dotnet.news #dotnet #dotnetdevelopers

NET devs — which LLM do you use daily? I’m curious how .NET developers are integrating AI into their routine. Vote and share why in the comments.