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Today we are announcing the beta release of TypeScript 6.0! To get started using the beta, you can get it through npm with the following command: npm install -D typescript@beta TypeScript 6.0 is a unique release in that we intend for it to be the last release based on the current...

GitHub Copilot testing for .NET is now generally available in Visual Studio 18.3. This AI-powered testing experience helps you generate, build, fix, and run unit tests quickly and efficiently. With flexible free-form prompts, seamless IDE integration, and support for any scope from a single method to a full solution, you can reduce repetitive work and get faster feedback on your code. Try it today and share your experience to help guide where the test agent goes next.

Large Language Models (LLMs) have reached a point where general intelligence is no longer the bottleneck. The real challenge in enterprise AI systems behavioral alignment ensuring models that produce consistent, reliable, policy-compliant outputs on a scale. Prompt engineering and...

Refactoring at scale is a time-consuming and error-prone process for developers. In large codebases, developers have relied on manual searches and incremental edits across multiple files to accomplish these tasks. Modern development workflows depend on fast and accurate code navigation...

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azd now supports direct deployments to Azure App Service slots—quick, clear, and slot-aware for the first time.

In the first post of this series, we introduced how Azure Advisor helps Azure Cosmos DB users uncover opportunities to optimize efficiency and make smarter decisions. This follow-up dives deeper into one of the most important categories of guidance: performance. If you've ever dealt...

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!

We are releasing patches for our self‑hosted product, Azure DevOps Server. We strongly recommend that all customers stay on the latest, most secure version of Azure DevOps Server. The latest release, Azure DevOps Server, is available from the download page. To make it easier to find...

A recap of the latest servicing updates for .NET and .NET Framework for February 2026.

The Vercel AI SDK is an open-source TypeScript toolkit that provides the core building blocks for integrating AI into any JavaScript application. It works with 20+ AI providers out of the box—including OpenAI, Azure OpenAI, Anthropic, Google, Mistral, and more—so you can write your...

The HLSL team is excited to announce the formation of Ecma Technical Committee 57; a committee to standardize the High Level Shading Language. The formation of this committee marks an important milestone in HLSL's development and strengthens Microsoft's commitment to HLSL as a...

Asking nicely, and asking a lot of people.

Introduction: A New Paradigm for AI Application Development In enterprise AI application development, we often face this dilemma: while cloud-based large language models are powerful, issues such as data privacy, network latency, and cost control make many scenarios difficult to...

Applications often need to know what data looked like before. Who changed it, when it changed, and what the previous values were. Rebuilding that history in application code is tedious and error prone. This is especially valuable when exposing a database to an AI agent through MCP servers...

It's your one chance to make amends.

This blog post summarizes changes to the vcpkg package manager as part of the 2025.12.12 and 2026.01.16 registry releases and the 2025-11-13, 2025-11-18, 2025-11-19, 2025-12-05, and 2025-12-16 tool releases. These updates include support for targeting the Xbox GDK October 2025 update,...

User preferences and settings are fundamental components of modern web applications. When developing SharePoint Framework (SPFx) solutions, the ability to store and manage user-specific configurations across devices and sessions becomes crucial for delivering personalized experiences....

We welcome guest author, Matt Kruczek, to share how to build a complete Skills Executor in .NET, combining Azure OpenAI with the Model Context Protocol (MCP) C# SDK to bring the same agentic patterns to the Microsoft ecosystem. You’ll see how to define reusable skills, connect local and external tools, and orchestrate intelligent agent loops—so enterprise teams can standardize AI behavior without hardcoding business logic.

Applications often need access to data without needing access to everything. Social Security numbers, email addresses, and phone numbers are common examples. Storing them is required. Exposing them broadly is not. This is especially valuable when exposing a database to an AI agent through...

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Sometimes applications need to remove data without actually losing it. Soft delete keeps rows in the database while making them invisible to normal application access. This is especially valuable when exposing a database to an AI agent through MCP servers like SQL MCP Server, where safety...

Learn to secure Aspire distributed applications with Microsoft Entra ID authentication. Use AI skills with GitHub Copilot for a 5-minute setup, or follow the detailed guide to understand JWT Bearer protection, OIDC sign-in, and automatic token handling.

An announcement of .NET Framework 3.5 servicing updates on new versions of Windows.

A new release of the Microsoft build of Go including security fixes is now available for download.

Strengthen Identity Security and Eliminate Account Keys Identity is becoming the new security perimeter. As organizations modernize their cloud applications, long‑lived secrets and shared keys introduce unnecessary risk. Azure Cosmos DB now fully supports Microsoft Entra ID for both...

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