# A2UI Protocol <span class="version-badge draft">v0.9 — Draft</span>

> Version 0.9 is currently in draft status. For production use, consider [v0.8 (Stable)](v0.8-a2ui.md).

> NOTE: Living Document
>
> This specification is automatically included from `specification/v0_9/docs/a2ui_protocol.md`. Any updates to the specification will automatically appear here.

For more information, see the following related documentation:

- [v0.8 Protocol Specification](v0.8-a2ui.md) (Stable).
- [Evolution Guide: v0.8 → v0.9](v0.9-evolution-guide.md).

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