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Get the latest information, insights, and news from Microsoft.
💫 Welcome to Aspire: Your stack, streamlined
Aspire goes polyglot. Explore the new Aspire.dev — a unified, open-source platform for building, observing, and deploying distributed apps in any language.
Read moreUpgrading C++ Projects to Visual Studio 2026
With Visual Studio 2026 version 18.0 getting closer to General Availability (GA), we want to share with you how you can upgrade your projects from your current versions of Visual Studio and the Microsoft C++ (MSVC) Build Tools to the latest versions. The new IDE ships with the v145...
Read moreJoin us at .NET Conf: Dive into the future of development with Visual Studio 2026
We're thrilled to invite you to one of the most exciting events in the .NET ecosystem: .NET Conf. It runs from November 11th through the 13th and you’re invited!
This annual virtual conference is a must-attend for developers, architects, and enthusiasts looking to level up their...
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Oct 29, 2025
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Java OpenJDK October 2025 Patch & Security Update
Hello Java customers!
We are happy to announce the latest July 2025 patch & security update release for the Microsoft Build of OpenJDK. Download and install the binaries today.
OpenJDK 25.0.1
OpenJDK 21.0.9
OpenJDK 17.0.17
OpenJDK 11.0.29
Check our release notes...
Microsoft for Java Developers
Oct 29, 2025
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Migrating from IDCRL authentication to modern authentication in SharePoint
In the next few months, Microsoft will be removing the legacy authentication protocol known as IDCRL (Identity Client Run Time Library) in SharePoint.
Microsoft 365 Developer Blog
Oct 29, 2025
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Put your AI to the Test with Microsoft.Extensions.AI.Evaluation
McKenna,
Shyam
AI is changing how we build software, but it also introduces new challenges: how do you know if your AI application is giving the right answers and producing the right outcomes? Evaluations (often referred to simply as ‘evals’) provide a structured way to measure quality so you can...
Microsoft for Developers
Oct 29, 2025
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Deprecation of the previewImageUrl property for Insights items that reference file attachments
The previewImageUrl property is no longer returned for file attachment items.
Microsoft 365 Developer Blog
Oct 29, 2025
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What to do when you have a crash in the runtime control flow guard check
You don't have to understand it, but you should be able to extract data from it.
The Old New Thing
Oct 28, 2025
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MCP Registry and Allowlist Controls Now Available in GitHub Copilot for Xcode (Public Preview)
We’re excited to announce that MCP Registry and Allowlist Controls in GitHub Copilot for Xcode are now available in public preview in pre-release builds. These capabilities help Xcode developers discover, install, and manage Model Context Protocol (MCP) servers directly in the IDE,...
Xcode
Oct 28, 2025
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Introducing Custom Agents for .NET Developers: C# Expert & WinForms Expert
Introducing C# Expert and WinForms Expert: experimental custom agents that help .NET developers write better code with GitHub Copilot.
.NET Blog
Oct 28, 2025
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Announcing Azure MCP Server 1.0.0 Stable Release – A New Era for Agentic Workflows
Today marks a major milestone for agentic development on Azure: the stable release of the Azure MCP Server 1.0!
Azure SDK Blog
Oct 28, 2025
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MCP Registry and Allowlist Controls for Copilot in JetBrains and Eclipse Now in Public Preview
MCP registry and allowlist controls for GitHub Copilot in JetBrains IDEs and Eclipse are now available in public preview in nightly/pre-release builds.
What’s new
MCP Registry
An MCP Registry is a directory of Model Context Protocol (MCP) servers. For users of JetBrains IDEs and...
Microsoft for Java Developers