Microsoft
Developer Blogs

Accelerate your trustworthy AI journey with the enhanced AI Red Teaming Agent in Microsoft Foundry. Empower developers to automate adversarial testing for both models and agentic systems—covering risks like prompt injection, prohibited actions, sensitive data leakage, and task adherence. Integrate red teaming into your CI/CD pipelines using the Foundry SDK and no-code UI wizard, enabling continuous safety evaluation and rapid prototyping. With PyRIT’s open-source attack strategies and customizable risk definitions, you can systematically probe vulnerabilities, benchmark improvements, and ensure robust safeguards as agentic solutions move into production. Start today by exploring the docs, trying out sample workflows, and embedding red teaming into your development lifecycle.

We’re excited to announce that TypeSpec for Microsoft 365 Copilot is now generally available! This milestone marks the first stable release of the domain-specific language (DSL) designed to streamline how developers build and extend Microsoft 365 Copilot. Whether you’re creating...

SPFx is powering the future of Microsoft 365. From AI-driven portals to seamless integrations across SharePoint, Teams and Viva, SPFx is driving innovation at scale. This monthly blog series kicks off our journey into the next evolution - transparent, community-driven, and built for the AI era. Let’s shape what’s next, together.

Challenge accepted.

Starting with Visual Studio 2026, we are introducing a new support lifecycle for the Microsoft C++ (MSVC) Build Tools. We are also updating the MSVC release cadence. As Visual Studio moves to a Modern Lifecycle with monthly feature updates and an annual new version, decoupling the...

Overview Working with table data is an essential part of database development — whether you’re validating behavior, debugging issues, or quickly seeding data. But switching between tools or writing repetitive T-SQL statements can slow down your workflow. We are excited to announce...

Visual Studio will adopt the Modern Support Lifecycle as a continuously updated IDE designed to deliver innovation as soon as it is ready, while maintaining the reliability and stability you count on every day with control over your build tools choices.

You've far exceeded the design goals and have even exceeded the expressive ability of a float.

The SharePoint team is excited to (finally) bring Site Collection creation to Graph! Starting in Microsoft Graph beta you can now create new site collections!