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Explore union types in C# 15
C# 15 introduces union types — declare a closed set of case types with implicit conversions and exhaustive pattern matching. Try unions in preview today and see the broader exhaustiveness roadmap.
Read moreClick to read more about this postTake full control of your floating windows in Visual Studio
Make Visual Studio floating windows work perfectly with PowerToys FancyZones. Flip one option to get independent windows, better snapping, and less friction.
Read moreClick to read more about this postMCP Apps on Azure Functions: Quickstart with TypeScript
Learn how to build and deploy MCP (Model Context Protocol) apps on Azure Functions using TypeScript. This guide covers MCP tools, resources, local development, and serverless deployment with a practical weather app example.
Read moreClick to read more about this postLatest posts
Apr 9, 2026
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C++23 Support in MSVC Build Tools 14.51
We’re pleased to provide an update on C++23 support in the Microsoft C++ (MSVC) Build Tools. This blog post will cover the feature additions in MSVC Build Tools version 14.51, including C++23 language features, libraries, and ISO C++ Core Working Group (CWG) and Library Working Group...
C++ Team Blog
Apr 9, 2026
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Foundry Local is now Generally Available
Ship local AI to millions of devices - fast, private on-device inference with no per-token costs.
Microsoft Foundry Blog
Apr 9, 2026
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Running Multiple Instances of an Aspire AppHost Without Port Conflicts
Aspire 13.2 introduces isolated mode, letting you run multiple instances of the same AppHost in parallel without port conflicts. Learn how the --isolated flag solves development and testing workflows.
Aspire Blog
Apr 9, 2026
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How do you add or remove a handle from an active WaitForMultipleObjects?
You can't, but you can cooperate with the other thread.
The Old New Thing
Apr 8, 2026
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Visual Studio Code 1.115
Learn what's new in Visual Studio Code 1.115
Read the full article
VS Code Blog
Apr 8, 2026
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Go 1.26.2-1 and 1.25.9-1 Microsoft builds now available
A new release of the Microsoft build of Go including security fixes is now available for download.
Microsoft for Go Developers
Apr 8, 2026
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Introducing SQL MCP Server
SQL MCP Server gives enterprises a secure, feature-rich way to enable agents to access data. This is accomplished without exposing the schema, risking consistency, or relying on fragile natural language parsing. SQL MCP Server is a feature of Data API builder, so deployments have a proven...
Azure SQL Dev Corner
Apr 8, 2026
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Give your Foundry Agent Custom Tools with MCP Servers on Azure Functions
Learn how to connect your MCP server hosted on Azure Functions to Microsoft Foundry agents. This post covers authentication options and setup steps to give your AI agent access to custom MCP tools.
Azure SDK Blog
Apr 8, 2026
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How do you add or remove a handle from an active MsgWaitForMultipleObjects?
You can't, but you can arrange for the waiter to do it for you.
The Old New Thing