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How we built the Microsoft Learn MCP Server
When we launched the Microsoft Learn Model Context Protocol (MCP) Server in June 2025, our goal was simple: make it effortless for AI agents to use trusted, up-to-date Microsoft Learn documentation. GitHub Copilot and other agents are increasingly common, and they need to be able to...
Read moreClick to read more about this post.NET 11 Preview 1 is now available!
Find out about the new features in .NET 11 Preview 1 across the .NET runtime, SDK, libraries, ASP.NET Core, Blazor, C#, .NET MAUI, and more!
Read moreClick to read more about this postHow did Windows 95 get permission to put the Weezer video Buddy Holly on the CD?
Asking nicely, and asking a lot of people.
Read moreClick to read more about this postLatest posts
Oct 14, 2025
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.NET and .NET Framework October 2025 servicing releases updates
Tara,
Victor
A recap of the latest servicing updates for .NET and .NET Framework for October 2025.
.NET Blog
Oct 14, 2025
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Announcing .NET 10 Release Candidate 2
.NET 10 Release Candidate 2 focuses on final quality, reliability, and stabilization across the runtime, SDK, libraries, ASP.NET Core, Blazor, .NET MAUI, and more.
.NET Blog
Oct 14, 2025
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Azure Developer CLI (azd) - October 2025
This post announces the October release of the Azure Developer CLI (`azd`).
Azure SDK Blog
Oct 14, 2025
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The Developer’s Guide to Smarter Fine-tuning: Unlock custom AI for every business challenge
Malena,
Jacques
Azure AI Foundry makes fine-tuning smarter, faster, and more accessible than ever. Whether you’re building agents that reason, tools that adapt, or workflows that scale, this is your launchpad for customizing models to solve real business challenges. Dive in to discover best practices,...
Microsoft Foundry Blog
Oct 14, 2025
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Announcing the .NET Security Group
Learn how to join the .NET Security Group for early access to CVE information and help deliver security patches to your .NET distribution simultaneously with Microsoft.
.NET Blog
Oct 14, 2025
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Go 1.25.3-1 and 1.24.9-1 Microsoft builds now available
A new release of the Microsoft build of Go is now available for download.
Microsoft for Go Developers
Oct 14, 2025
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Modernizing Authentication for Legacy Visual Studio Clients
As part of our ongoing commitment to security and modernization, we’re updating outdated authentication mechanisms used by older versions of clients reliant on our older Visual Studio client libraries.
For full details on all known impacted clients, refer to the official announcement...
Azure DevOps Blog