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GitHub Copilot Testing for .NET Brings AI-powered Unit Tests to Visual Studio 2026
GitHub Copilot testing for .NET is now available in Visual Studio 18.3, offering AI-powered tools to quickly create, build, and run unit tests. With flexible prompts and full IDE integration, it supports testing from single methods to entire solutions, helping reduce repetitive tasks and speed up feedback. Try it and share your feedback to shape its future.
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 postDPO Fine-Tuning Using Microsoft Foundry SDK
In the rapidly evolving landscape of large language models (LLMs), achieving precise control over model behavior while maintaining quality has become a critical challenge. While models like GPT-4 demonstrate impressive capabilities, ensuring their outputs align with human...
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Feb 19, 2026
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Migrate your Semantic Kernel and AutoGen projects to Microsoft Agent Framework Release Candidate
Dmytro,
Shawn
We're thrilled to announce that Microsoft Agent Framework has reached Release Candidate status for both .NET and Python. Release Candidate is an important milestone on the road to General Availability — it means the API surface is stable, and all features that we intend to release with...
Semantic Kernel
Feb 19, 2026
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Microsoft Agent Framework Reaches Release Candidate
We're happy to announce that Microsoft Agent Framework is now in Release Candidate status for both .NET and Python. Release Candidate is an important milestone on the road to General Availability — it means the API surface is stable, and all features that we intend to release with...
Microsoft Foundry Blog
Feb 19, 2026
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C++ symbol context and CMake build configuration awareness for GitHub Copilot in VS Code
C++ code navigation and build system tooling play an important role in the developer inner-loop. Code navigation tooling provides a precise, semantic understanding of your codebase, while build system tooling helps you express build configurations and variants for reproducible builds. In...
C++ Team Blog
Feb 19, 2026
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Custom Agents in Visual Studio: Built in and Build-Your-Own agents
Rhea,
Kelly
Agents in Visual Studio now go beyond a single general-purpose assistant. We're shipping a set of curated preset agents that tap into deep IDE capabilities; debugging, profiling, testing alongside a framework for building your own custom agents tailored to how your team works.
Built in...
Visual Studio Blog
Feb 19, 2026
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Exploring the signals the dialog manager uses for dismissing a dialog
Summarizing the flow.
The Old New Thing
Feb 19, 2026
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Microsoft C++ (MSVC) Build Tools v14.51 Preview Released: How to Opt In
Today we are releasing the first preview of the Microsoft C++ (MSVC) Build Tools version 14.51. This update, shipping in the latest Visual Studio 2026 version 18.4 Insiders release, introduces many C++23 conformance changes, bug fixes, and runtime performance improvements. Check out the...
C++ Team Blog
Feb 18, 2026
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What's new in Microsoft Foundry | Dec 2025 & Jan 2026
Catch up on all the new models, audio updates, fine-tuning expansions, and SDK updates from Microsoft Foundry spanning December 2025 and January 2026 — including GPT-5.2, Codex Max, DeepSeek V3.2, FLUX.2, and the azure-ai-projects v2 beta consolidation.
Microsoft Foundry Blog
Feb 18, 2026
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Python Environments Extension for VS Code
The February 2026 release This release includes the Python Environments extension... Keep on reading to learn more!
Microsoft for Python Developers Blog
Feb 18, 2026
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Federating Databases with Data API Builder Chaining
For decades, DBAs relied on linked servers to stitch data together. If you needed data from two places, you wired them up and moved on. It worked. It was straightforward. It felt native to SQL.
But what if linked servers are not an option? What if policy blocks them? What if one of the...
Azure SQL Devs’ Corner