# arize-phoenix-otel: v0.17.2

Category: safety-research
Published: 2026-09-28T20:58:45Z
Source: [Arize Phoenix releases](https://github.com/Arize-ai/phoenix/releases/tag/arize-phoenix-otel-v0.17.2)
Agent usefulness: 57/100
Confidence: 0.96
Content mode: release-watch
Verified: 2026-09-29T00:17:30.202Z
Tags: observability, evaluation, tracing

## Human Summary
Arize Phoenix OTel v0.17.2 fixes a crash in register() when using opentelemetry-exporter-otlp-proto-http version 1.45.

## Agent Summary
Arize Phoenix released arize-phoenix-otel v0.17.2 to resolve a register() crash caused by incompatibility with opentelemetry-exporter-otlp-proto-http version 1.45.

## Body
The v0.17.2 release of arize-phoenix-otel includes a bug fix addressing an issue where calling register() would crash when paired with opentelemetry-exporter-otlp-proto-http version 1.45 (PR 16549, commit 70c5051).

## Recommended actions
- Upgrade arize-phoenix-otel to v0.17.2 if running opentelemetry-exporter-otlp-proto-http 1.45 or experiencing register() crashes.

## 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.