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Highlights
.NET AI Essentials - The Core Building Blocks Explained
Learn how Microsoft.Extensions.AI provides a unified API for building intelligent .NET applications with any LLM provider - one interface, endless possibilities, with built-in middleware, telemetry, structured outputs and more.
Read moreClick to read more about this postBuild AI Agents with GitHub Copilot SDK and Microsoft Agent Framework
Microsoft Agent Framework now integrates with the GitHub Copilot SDK, enabling you to build AI agents powered by GitHub Copilot. This integration brings together the Agent Framework's consistent agent abstraction with GitHub Copilot's capabilities, including function calling, streaming...
Read moreClick to read more about this postLatest posts
Oct 30, 2025
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Visual Studio October Update – new models, memories, planning, and more
The October 2025 update for Visual Studio 2022 (v17.14) is now available. In this month, we are bringing you improvements to model choices and agentic flows.
New Models
We now have Claude Sonnet 4.5 and Claude Haiku 4.5 available in the chat window. This means the latest...
Visual Studio Blog
Oct 30, 2025
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Dev Proxy v1.3 with exporting to HAR, LLM usage tracking, and enhanced permissions analysis
Waldek,
Garry
Introducing Dev Proxy v1.3 with new plugins for inspecting and debugging API requests, along with enhanced permissions analysis and improved OpenAPI spec generation for complex testing scenarios.
Microsoft 365 Developer Blog
Oct 29, 2025
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New GitHub Copilot capabilities for C++ developers: Upgrade MSVC, improve build performance, and refactor C++ code
Yesterday at GitHub Universe, GitHub announced support for custom agents. Custom agents are specialized configurations with custom prompts and context that focus Copilot on specific development tasks.
On the C++ team, we have a similar goal: Provide differentiated capabilities that...
C++ Team Blog
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