10.30.2025: Metadata Support for Experiment Run Annotations 🧩

Available in Phoenix 12.9+

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.

feat: add metadata support for experiment run annotations by Sumeet213 · Pull Request #9904 · Arize-ai/phoenixGitHub