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varize-phoenix-v15.4.0 scope: arize-phoenix Feature

This release adds 2 notable features for engineering teams evaluating rollout.

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

Added filter-based DELETE endpoints for annotations and included token counts in payloads.

Full changelog

15.4.0 (2026-05-05)

Features

  • agents: agent set_time_range tool with hardened context injection (#13022) (115c08b)
  • agents: ToolPart styles and subcomponents (#12894) (0d4e16b)
  • api: add filter-based DELETE endpoints for span/trace/session annotations (#12928) (12779fb)
  • rest-api: include token counts in span/trace/session payloads (#12926) (c0c0edb)
  • simplify trace/span status icons, use status badge in panel views (#12972) (d8e3915)
  • vendor passthrough tools support (#12533) (41e8fe0)

Bug Fixes

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Related context

Earlier breaking changes

Beta — feedback welcome: [email protected]