pydantic-ai 2.37.0

v2.37.0 (2026-08-31)

on Python PyPI

What's Changed

🚀 Features

• Add glm-5.3-flash and rework the Z.AI test suite onto cassettes by @dsfaccini in #7887

🐛 Bug Fixes

• fix: preserve all conditions in pruned span queries by @mikemikimike in #7499
• Accept and map Z.AI's non-standard finish_reason values by @zhj12395 in #7685
• Emit an AG-UI TEXT_MESSAGE_START for the assistant message that owns a response's tool calls by @dsfaccini in #7699
• Route Vertex-vs-Gemini API branches in GoogleModel by client transport instead of provider name by @thejamesgore in #7280
• Skip inactive capability hooks in agent tracebacks by @dsfaccini in #7328
• Context-manage models rebuilt inside durable operations by @dsfaccini in #7954
• Reject per-run capabilities= on DBOS, matching Temporal by @DouweM in #6955
• Journal Prefect tool discovery in tasks by @DouweM in #6966
• Stop rebuilding unmanaged models in durable capability operations by @DouweM in #7972

New Contributors

• @zhj12395 made their first contribution in #7685
• @thejamesgore made their first contribution in #7280
• @pcbeingused333 made their first contribution in #7936
• @quinnarnold made their first contribution in #7921

Full Changelog: v2.36.0...v2.37.0