Dev Blogs
At Microsoft Build 2026, we're announcing new investments to help your agents become teammates in everyday work, from new interaction patterns to streamlined tooling.
We're announcing the private preview of Frontier Tuning, a new approach to making AI work the way your business does by applying reinforcement learning inside your compliance boundary with your own data, processes, and conventions.
SPFx is powering the future of Microsoft 365 with AI driven portals and deep integrations across SharePoint and Microsoft 365. The May 2026 update shares new features and the roadmap for the next evolution built for the AI era. This is a transparent community driven journey that we shape together based on your input.
We are excited to announce general availability for the SharePoint Framework 1.23. We are rolling out new features in extensions, preview of new CLI and addressing known npm audit issues.
The Microsoft 365 Copilot Agent Evaluations tool helps developers measure and improve the quality of agents they build for Microsoft 365 Copilot.
Python developers can now build Teams-native apps and agents using the same SDK surface that powers modern Teams experiences across our TypeScript and .NET stacks
Learn how to use a coding agent to register and agent with Teams.
SPFx is powering the future of Microsoft 365 with AI driven portals and deep integrations across SharePoint and Microsoft 365. The April 2026 update shares new features and the roadmap for the next evolution built for the AI era. This is a transparent community driven journey that we shape together.
Agents bring rich, app powered UI experiences directly into Microsoft 365 Copilot chat, via MCP Apps or the OpenAI Apps SDK. Read about what customers and partners are building.
On 12/31/2026, we will begin restricting updates to sensitive properties on non-draft email messages (including subject, body, and recipients). Apps will need Mail-Advanced.ReadWrite (or .All / .Shared) with admin consent to continue modifying these fields. Review your current usage and update permissions now to avoid unexpected failures.