> ## Documentation Index
> Fetch the complete documentation index at: https://arizeai-433a7140-ehutt-trail-benchmark-new-tasks.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# 10.30.2025: Metadata Support for Experiment Run Annotations

> Available in Phoenix 12.9+

<Frame>
  <img src="https://storage.googleapis.com/arize-phoenix-assets/assets/images/releasenotes-10-30.png" alt="releasenotes 10 30" />
</Frame>

Added **metadata support for experiment run annotations**, with GraphQL updates to fetch and expose this information. The annotation details view now displays formatted JSON metadata across both **compare** and **example** views for easier inspection and debugging.