Microsoft 365 Developer Blog
A developer platform for building collaborative apps for hybrid work
Featured posts
SharePoint Framework (SPFx) roadmap update – September 2026
New Copilot UX components heading to Generally Available in October 2026, SPFx 1.24 Beta 5 is now available, React 18 support is coming in 1.24. Updates coming ...
Latest posts
Use Fluid DevTools to debug your web app
A guide to using the Fluid DevTools browser extension to inspect and manipulate Fluid data structures and containers.
Build intelligent apps for Microsoft 365 with Teams Toolkit
Explore how Teams Toolkit can help you build your own custom copilot.
Fluid Framework 2 generally available in June
Learn about the exciting new features in Fluid Framework 2 including SharedTree DDS, SharePoint Embedded support, Fluid DevTools, and more.
Microsoft Loop transforms the way developer teams work
Discover how Microsoft Loop provides a central and flexible place for your work to help you stay in sync and on track.
Dev Proxy v0.18 with reporters, better CI support, and improved Azure API Center integration
We're excited to share the launch of Dev Proxy v0.18 to help you to build robust apps connected to APIs.
Do more in Microsoft Mesh with data and AI
Read how you can get started leveraging AI to elevate your custom Microsoft Mesh experience with the Mesh Toolkit.
Build 2024: What’s new for Microsoft Graph
Learn how you can expand the knowledge of Copilot for Microsoft 365 with Microsoft Graph connectors and build custom solutions leveraging the data and services in Microsoft Graph APIs.
Microsoft Graph town hall APIs now available in beta
With the retirement of Teams live events in favor of Teams town hall, we’re announcing the preview (beta) release of new Microsoft Graph town hall APIs.
What’s new for Office Add-ins at Build 2024
In this blog, the Office Platform team announces the new capabilities and features announced at Build 2024.