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varize-phoenix-v15.3.0 scope: arize-phoenix Breaking

This release includes 1 breaking change for platform teams planning a safe upgrade.

Published 29d Tracing
✓ No known CVEs patched
Read the diff → Tool health → What is this tool? →

✓ No known CVEs patched in this version

Topics

agents ai-monitoring ai-observability aiengineering anthropic datasets
+10 more
evals langchain llamaindex llm-eval llm-evaluation llmops llms openai prompt-engineering smolagents

Summary

AI summary

Removed user instructions from the agent PXI.

Full changelog

15.3.0 (2026-05-05)

Features

Bug Fixes

  • api: include dataset metadata in experiment CSV export (#12897) (64cb481)
  • deps: update arize-phoenix-client to 2.4.0 (#12799) (1300763)
  • deps: update arize-phoenix-otel to 0.16.1 (#12997) (7bff140)

Documentation

  • add LinkedIn social links alongside X/Bluesky (#12993) (5d14f23)
  • document all REST API endpoints and index them in llms.txt (#12999) (2ec728a)

Breaking Changes

  • Removed user instructions from agent PXI

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Related context

Earlier breaking changes

Beta — feedback welcome: [email protected]