By developers.googleblog.com
Publication Date: 2026-04-17 00:00:00
Generative UI allows AI agents to generate tailored UI widgets in real-time, matching the interface to the user’s specific interaction. But to move from demos to production, we need a clean separation of concerns. A2UI v0.9 is our answer; a framework-agnostic standard for declaring UI intent. It allows local or remote agents to communicate with any client application using a common language, ensuring your agent can generate your UI using your existing component catalog on any device.
Agents can “speak” UI with your design system, no need to change.
A2UI is designed to work on web, mobile, and anywhere else your users are.
What’s New in A2UI v0.9
This release focuses on making it easier than ever to build agents and integrate with your existing frontends. This release hardens our internal abstractions, simplifies streaming, and improves developer experience.
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