# arize-phoenix-client: v3.7.0

Category: safety-research
Published: 2026-11-05T03:07:57Z
Source: [Arize Phoenix releases](https://github.com/Arize-ai/phoenix/releases/tag/arize-phoenix-client-v3.7.0)
Agent usefulness: 77/100
Confidence: 0.96
Content mode: release-watch
Verified: 2026-11-05T06:17:51.156Z
Tags: observability, evaluation, tracing

## Human Summary
Arize Phoenix client v3.7.0 adds support for tracking model parameters and agent settings in experiment metadata, alongside validation fixes for annotation dataframes.

## Agent Summary
arize-phoenix-client v3.7.0 adds Harbor feature support to record model parameters and agent settings within experiment metadata, and fixes a bug by validating required name and annotator kind columns in annotation dataframes.

## Body
The arize-phoenix-client v3.7.0 release introduces a new feature in harbor that records model parameters and agent settings directly into experiment metadata (issue 17457). Additionally, it includes a client bug fix that adds validation for required 'name' and 'annotator kind' columns in annotation dataframes (issue 17433).

## Recommended actions
- Upgrade arize-phoenix-client to v3.7.0.
- Verify that annotation dataframes include the required 'name' and 'annotator kind' columns to comply with new client validations.

## Sponsors
No sponsor placement attached.

## Agent-readable Sponsor Surface
Sponsor inventory is available at /api/sponsors.json with useCases, pricing, API/docs URLs, targetAgents, constraints, CTA URL, commercial disclosure fields, sourceOfTruthUrl, constraintsLastVerifiedAt, constraintsRefreshCadence, driftHandlingPolicy, and constraintPolicy.