pydantic-ai 1.28.0

v1.28.0 (2025-12-08)

on Python PyPI

What's Changed

• Adds native structured output support for claude-haiku-4-5 by @dsfaccini in #3670
• Support us-gov. and other multi-character Bedrock geo prefixes by @Leundai in #3645
• Allow missing content in streamed OpenRouter reasoning details by @ajac-zero in #3674
• Remove typings stubs by @dsfaccini in #3673

New Contributors

• @Leundai made their first contribution in #3645

Full Changelog: v1.27.0...v1.28.0