phoenix

varize-phoenix-v16.1.0 scope: arize-phoenix Feature

This release adds 3 notable features for engineering teams evaluating rollout.

Published 8d Tracing

✓ No known CVEs patched

✓ 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

Version 16.1.0 released on 2026-05-26 adds new agent skills, PXI UI enhancements, and bug fixes for token aggregation.

Type	Severity	Summary	CVE
Feature
Feature	Low	Adds skill for creating a new eval dataset in agents. Adds skill for creating a new eval dataset in agents. Source: llm_adapter@2026-05-26 Confidence: high	—
Feature	Low	Resizes detached PXI assistant panel. Resizes detached PXI assistant panel. Source: llm_adapter@2026-05-26 Confidence: high	—
Feature	Low	Adds floating assistant panel to PXI. Adds floating assistant panel to PXI. Source: llm_adapter@2026-05-26 Confidence: high	—
Feature	Low	Improves shimmer and adds glyph in chat loading for PXI. Improves shimmer and adds glyph in chat loading for PXI. Source: llm_adapter@2026-05-26 Confidence: high	—
Feature	Low	Uses trace icon for project everywhere in UI. Uses trace icon for project everywhere in UI. Source: llm_adapter@2026-05-26 Confidence: high	—
Feature	Low	Updates built-in model token prices in cost module. Updates built-in model token prices in cost module. Source: llm_adapter@2026-05-26 Confidence: high	—
Bugfix	Medium	Aggregates token counts from LLM spans only. Aggregates token counts from LLM spans only. Source: llm_adapter@2026-05-26 Confidence: high	—
Bugfix	Medium	Constrains agent layout panels in app. Constrains agent layout panels in app. Source: llm_adapter@2026-05-26 Confidence: high	—

Full changelog

agents: adds skill for creating a new eval dataset, a new dat... (#13249) (1989790)
agents: Resize detached PXI assistant panel (#13401) (1a387a3)
dashboards route (#13404) (b43ddb4)
pxi: add assistant hotkey tooltip (#13399) (6ebb79f)
pxi: add floating assistant panel (#13400) (d3a34c0)
pxi: smoother shimmer + glyph in chat loading (#13402) (6295e18)
ui: use trace icon for project everywhere (#13403) (4458cdc)

Weekly OSS security release digest.

The CVE patches and breaking changes that affected production tools this week. One email, every Sunday.

No spam, unsubscribe anytime.

Share this release

Track phoenix

Get notified when new releases ship.

About phoenix

AI Observability & Evaluation

varize-phoenix-v17.0.0 Adds system settings for admin-managed assistant enablement and trace recording policy
varize-phoenix-v16.0.0 Sandboxing and Code Evaluators introduce breaking changes in Phoenix v16.0.0.
varize-phoenix-v15.7.0 Removes v1 /chat route and associated code