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v1.50.0

pydantic/pydantic-aiv1.50.0Jan 29, 2026by DouweM

AI Summary

Exposes usage limits and model settings to CLI users and fixes serialization issues in Temporal workflows.

Key Highlights

  • Exposed `usage_limits` and `model_settings` to users running with `to_cli()`
  • Added setting to include OpenAI raw text annotations in `TextPart.provider_details`
  • Fixed serialization of `BinaryContent` and `DocumentUrl` in Temporal

New Features

  • Exposed `usage_limits` and `model_settings` to CLI
  • OpenAI raw text annotations setting

Full Release Notes

<!-- Release notes generated using configuration in .github/release.yml at main -->

## What's Changed
### 🚀 Features
* Expose `usage_limits` and `model_settings` to users running with `to_cli()` by @tommy-waltmann in https://github.com/pydantic/pydantic-ai/pull/4133
* Add setting to include OpenAI raw text annotations in `TextPart.provider_details` by @corytomlinson in https://github.com/pydantic/pydantic-ai/pull/3787
### 🐛 Bug Fixes
* Fix serialization of `BinaryContent` returned by tool in Temporal by @dsfaccini in https://github.com/pydantic/pydantic-ai/pull/4043
* Fix serialization of `DocumentUrl` with custom `media_type` in Temporal by @dsfaccini in https://github.com/pydantic/pydantic-ai/pull/3968
* Retry instead of raising error when Google returns 0 candidates by @wassafshahzad in https://github.com/pydantic/pydantic-ai/pull/4125
* Correct OpenAI `prompt_cache_retention` literal from 'in-memory' to 'in_memory' by @davidfertube in https://github.com/pydantic/pydantic-ai/pull/4126

## New Contributors
* @tommy-waltmann made their first contribution in https://github.com/pydantic/pydantic-ai/pull/4133
* @corytomlinson made their first contribution in https://github.com/pydantic/pydantic-ai/pull/3787
* @davidfertube made their first contribution in https://github.com/pydantic/pydantic-ai/pull/4126

**Full Changelog**: https://github.com/pydantic/pydantic-ai/compare/v1.49.0...v1.50.0