pydantic-ai

v1.95.1 Bugfix

This release fixes issues for SREs watching stability and regressions.

Published 21d AI Agents & Assistants

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✓ No known CVEs patched

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✓ No known CVEs patched in this version

Topics

agent-framework genai llm pydantic python

ReleasePort's take

Light signal

editorial:auto 13d

v1.95.1 restores deprecated `Agent.instrument` setter and `InstrumentedModel` APIs. It makes `current_otel_traceparent` imports eager, fixing agent runs in Temporal workflows.

Why it matters: v1.95.1 restores Agent.instrument APIs and fixes Temporal workflow imports. Teams using these APIs can upgrade now. Test on next cycle.

Summary

AI summary

Re‑enabled the deprecated Agent.instrument setter and InstrumentedModel.

Changes in this release

Type	Severity	Summary	CVE
Bugfix	Medium	Makes `current_otel_traceparent` imports eager to unbreak agent runs in Temporal workflows Makes `current_otel_traceparent` imports eager to unbreak agent runs in Temporal workflows Source: llm_adapter@2026-05-21 Confidence: high	—
Bugfix	Medium	Un-deprecates `Agent.instrument` setter and `InstrumentedModel` APIs Un-deprecates `Agent.instrument` setter and `InstrumentedModel` APIs Source: llm_adapter@2026-05-21 Confidence: high	—

Full changelog

What's Changed

🐛 Bug Fixes

fix: make current_otel_traceparent imports eager (unbreak agent runs in Temporal workflows) by @DouweM in https://github.com/pydantic/pydantic-ai/pull/5422
fix: un-deprecate Agent.instrument setter and InstrumentedModel by @DouweM in https://github.com/pydantic/pydantic-ai/pull/5427

Full Changelog: https://github.com/pydantic/pydantic-ai/compare/v1.95.0...v1.95.1

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AI Agent Framework, the Pydantic way

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