v0 Introduces Annotations for Direct UI Feedback and Agent Prompting

Jun 13, 2026

v0 introduced annotations, enabling direct element selection in live previews to attach comments. These comments bundle into a single prompt for the AI agent to execute design changes. This update provides a visual feedback loop for iterating on web interfaces, replacing the need for verbose text-based instructions.

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@v02d ago

Introducing annotations in v0. Click elements in your preview, add comments, then send them all to the agent as a single prompt. https://t.co/9qivlkFysf

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