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varize-phoenix-v15.10.0 scope: arize-phoenix Feature

This release adds 5 notable features for engineering teams evaluating rollout.

Published 19d 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

Add trace feedback toolbar to session turns.

Changes in this release

Feature Medium

Trace feedback toolbar added to session turns.

Trace feedback toolbar added to session turns.

Source: llm_adapter@2026-05-21

Confidence: low

Feature Medium

Agent model menu curated for better selection.

Agent model menu curated for better selection.

Source: llm_adapter@2026-05-21

Confidence: low

Feature Medium

Agent session retention capped.

Agent session retention capped.

Source: llm_adapter@2026-05-21

Confidence: low

Feature Medium

Pxi button styles and thinking glyph animation added.

Pxi button styles and thinking glyph animation added.

Source: llm_adapter@2026-05-21

Confidence: low

Feature Medium

OTel GenAI semconv attrs converted to OpenInference in trace module.

OTel GenAI semconv attrs converted to OpenInference in trace module.

Source: llm_adapter@2026-05-21

Confidence: low

Bugfix Medium

Session turn output metadata layout adjusted.

Session turn output metadata layout adjusted.

Source: llm_adapter@2026-05-21

Confidence: high

Bugfix Medium

Built-in model token prices updated for cost handling.

Built-in model token prices updated for cost handling.

Source: llm_adapter@2026-05-21

Confidence: high

Bugfix Medium

Span notes refreshed after creation.

Span notes refreshed after creation.

Source: llm_adapter@2026-05-21

Confidence: low

Bugfix Medium

Generative model store polling simplified.

Generative model store polling simplified.

Source: llm_adapter@2026-05-21

Confidence: low

Refactor Medium

Border and divider cleanup with improved w storybook support.

Border and divider cleanup with improved w storybook support.

Source: llm_adapter@2026-05-21

Confidence: low

Other Medium

Phoenix release notes added for May 8-13, 2026.

Phoenix release notes added for May 8-13, 2026.

Source: llm_adapter@2026-05-21

Confidence: low

Other Medium

Arconia Java integration information updated.

Arconia Java integration information updated.

Source: llm_adapter@2026-05-21

Confidence: low

Full changelog

15.10.0 (2026-05-15)

Features

Bug Fixes

Documentation

  • Add Phoenix release notes for 05-08-2026 through 05-13-2026 (#13206) (a428b9c)
  • Update info for Arconia Java integration (#13262) (e84331e)

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Related context

Earlier breaking changes

Beta — feedback welcome: [email protected]