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Update pydantic-ai requirement from <=2.40.0,>=2.9.0 to >=2.9.0,<=2.43.0 - #47

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Updates the requirements on pydantic-ai to permit the latest version.

Release notes

Sourced from pydantic-ai's releases.

v2.43.0 (2026-09-11)

What's Changed

🚀 Features

🐛 Bug Fixes

New Contributors

Full Changelog: pydantic/pydantic-ai@v2.42.0...v2.43.0

Changelog

Sourced from pydantic-ai's changelog.

Upgrade Guide

In September 2025, Pydantic AI reached V1 and committed to API stability: no changes that break your code until V2. V2 is now available, collecting the breaking and behavior changes that stability guarantee didn't allow. This guide is the canonical place to learn what's in V2, how to install it, and how to upgrade; for the guarantees behind these version numbers, see the Version Policy.

Breaking Changes

Here's a filtered list of the breaking changes for each version to help you upgrade Pydantic AI.

v2.0.0 (2026-06-23)

The stable V2.0 release. There are no new breaking or behavior changes since the betas; the full breaking-change list and recommended upgrade path are in the v2.0.0b1 entry below. Install it with:

uv add pydantic-ai

v2.0.0b7 (2026-06-10)

The seventh V2 beta, forked from v1.107.0. There are no new V2 breaking or behavior changes since v2.0.0b6 below — everything in that entry applies unchanged — but this beta picks up the latest V1 release on top, which adds Claude Fable 5 / Mythos 5 model support and OpenRouter prompt caching (CachePoint), plus known_model_names() and Anthropic fixes; see the v1.107.0 release notes for the full list.

Install it the same way, pinning the exact pre-release version:

pip/uv-add "pydantic-ai==2.0.0b7"

For the full breaking-change list and the recommended upgrade path, see the v2.0.0b1 entry below; the only difference is that the latest V1 to upgrade through first is now v1.107.0.

v2.0.0b6 (2026-06-04)

The sixth V2 beta, forked from v1.106.0. There are no new V2 breaking or behavior changes since v2.0.0b5 below — everything in that entry applies unchanged — but this beta picks up the latest V1 release on top, which adds api_host/timeout configuration and base seed mapping for the xAI provider, plus streaming and data-URI handling fixes; see the v1.106.0 release notes for the full list.

Install it the same way, pinning the exact pre-release version:

pip/uv-add "pydantic-ai==2.0.0b6"

For the full breaking-change list and the recommended upgrade path, see the v2.0.0b1 entry below; the only difference is that the latest V1 to upgrade through first is now v1.106.0.

v2.0.0b5 (2026-06-02)

The fifth V2 beta, forked from v1.105.0. There are no new V2 breaking or behavior changes since v2.0.0b4 below — everything in that entry (including the prepare-callbacks change) still applies — but this beta picks up the latest V1 release on top, which adds on-demand (deferred-loading) capabilities and Grok 4.3 reasoning_effort support, plus GoogleModelSettings.google_cached_content and Temporal gateway/ fixes; see the v1.105.0 release notes for the full list.

Install it the same way, pinning the exact pre-release version:

pip/uv-add "pydantic-ai==2.0.0b5"

... (truncated)

Commits
  • 86b250f Add a Comparisons section covering 10 agent frameworks (#8260)
  • fbd2beb Add a first-run banner describing the run, and open clai sessions with it (...
  • f6afee2 fix(temporal): key tool opt-out checks on operation kind, not an MCP import (...
  • f998089 Preserve text part boundaries after tool calls in OpenAIChatModel (#8235)
  • 23a48cf Fix realtime and durable-execution skill guidance (#8086)
  • cda77a7 Revert the instrumenting-pydantic-ai skill (#8267)
  • 5aecb14 Add an instrumenting-pydantic-ai skill for the first-run banner to point at...
  • a2f3272 Use client ID for docs workflows (#8256)
  • 5facbe5 Raise the JSON call budget above the noise it flakes on (#8245)
  • 0ec8a5d Preserve Anthropic recovery across normalized history (#8040)
  • Additional commits viewable in compare view

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Updates the requirements on [pydantic-ai](https://github.com/pydantic/pydantic-ai) to permit the latest version.
- [Release notes](https://github.com/pydantic/pydantic-ai/releases)
- [Changelog](https://github.com/pydantic/pydantic-ai/blob/main/docs/changelog.md)
- [Commits](pydantic/pydantic-ai@v2.9.0...v2.43.0)

---
updated-dependencies:
- dependency-name: pydantic-ai
  dependency-version: 2.43.0
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot Bot added dependencies Pull requests that update a dependency file python Pull requests that update python code labels Sep 15, 2026
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