Change8

arize-phoenix-v12.16.0

Breaking Changes
📦 arize-phoenix
1 breaking3 features🐛 2 fixes

Summary

This release introduces significant feature enhancements, including support for OpenAI 5.1 and expanded reasoning capabilities for Gemini models, while simultaneously dropping support for Python 3.9.

⚠️ Breaking Changes

  • Dropped support for Python 3.9. Users must upgrade to Python 3.10 or newer to continue using this version.

Migration Steps

  1. If you are using Python 3.9, you must upgrade your environment to Python 3.10 or higher.

✨ New Features

  • Added support for the OpenAI 5.1 family of models.
  • Implemented connection pagination for trace spans.
  • Enhanced reasoning support to include OpenAI, Gemini, and added support for Gemini-3.

🐛 Bug Fixes

  • Addressed an issue related to handling large traces.
  • Dropped support for Python 3.9.