# arize-phoenix-client: v3.6.0

Category: safety-research
Published: 2026-10-30T03:37:14Z
Source: [Arize Phoenix releases](https://github.com/Arize-ai/phoenix/releases/tag/arize-phoenix-client-v3.6.0)
Agent usefulness: 77/100
Confidence: 0.96
Content mode: release-watch
Verified: 2026-10-30T06:17:56.946Z
Tags: observability, evaluation, tracing

## Human Summary
Arize Phoenix releases published arize-phoenix-client: v3.6.0. 3.6.0 (https://github.com/Arize-ai/phoenix/compare/arize-phoenix-client-v3.5.0...arize-phoenix-client-v3.6.0) (2026-10-30) Features annotations: add DECISION and AGENT kinds ( 17306 (https://github.com/Arize-ai/phoenix/issues/17306)) ( 9e7a797…

## Agent Summary
Treat arize-phoenix-client: v3.6.0 as an official release signal. Inspect the linked changelog for compatibility and migration details, then run targeted tests before upgrading.

## Body
Arize Phoenix releases published arize-phoenix-client: v3.6.0. This automated release-watch entry was generated from the project's official GitHub release feed and is kept separate from human-reviewed editorial analysis. Release notes: 3.6.0 (https://github.com/Arize-ai/phoenix/compare/arize-phoenix-client-v3.5.0...arize-phoenix-client-v3.6.0) (2026-10-30) Features annotations: add DECISION and AGENT kinds ( 17306 (https://github.com/Arize-ai/phoenix/issues/17306)) ( 9e7a797 (https://github.com/Arize-ai/phoenix/commit/9e7a7976eb455d1047a5290b7f2ba2b3a3a677a9)) api: expose prompt version creation timestamps ( 17188 (https://github.com/Arize-ai/phoenix/issues/17188)) ( 87a9934 (https://github.com/Arize-ai/phoenix/commit/87a9934710ad232b238ad27ceefe07a703197bd1)) client: expose trace and session filter expressions ( 16078 (https://github.com/Arize-ai/phoenix/issues/16078)) ( dab09f1 (https://github.com/Arize-ai/phoenix/commit/dab09f17b0ac80357e27888b083766559fe45f8b)) client: sort get spans by start time ( 16386 (https://github.com/Arize-ai/phoenix/issues/16386)) ( 9f44910…

## Recommended actions
- Review the official Arize Phoenix releases release notes before upgrading.
- Check compatibility, migration, and security notes against your current agent stack.
- Run focused regression tests before production rollout.

## 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.