●Change8

Migrating to Arize Phoenix arize-phoenix-v15.7.0

Version arize-phoenix-v15.7.0 introduces 1 breaking change. This guide details how to update your code.

Released: 5/13/2026

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Breaking Changes
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Migration Steps
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Affected Symbols

⚠️ Check Your Code

If you use any of these symbols, you need to read this guide:

/chat route (agents)

Breaking Changes

●Issue #1

The v1 /chat route and associated code for agents have been removed. Users relying on this specific endpoint must update their integration to use the current API structure.

Migration Steps

  1. 1
    If you were using the v1 /chat route for agents, update your code to use the current, non-v1 agent routing mechanism.

Release Summary

Version 15.7.0 introduces user feedback annotations, session tagging improvements, and updates the UI toast behavior. This release also removes the deprecated v1 agent /chat route.

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View the full release notes and all changes for Arize Phoenix arize-phoenix-v15.7.0.

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