pydantic-ai 0.4.0

v0.4.0 (2025-07-08)

on Python PyPI

What's Changed

• BREAKING CHANGE: Make EvaluationReport and ReportCase into generic dataclasses by @dmontagu in #1799
• Make ToolDefinition.description optional and fix Bedrock description handling by @dmontagu in #1507
• Add all audio types supported by Gemini to AudioUrl by @ChenghaoMou in #2151
• Improve number_to_datetime performance by building TypeAdapter only once by @DouweM in #2153
• Retain defaults in non-strict openai schemas by @dmontagu in #1519

Full Changelog: v0.3.7...v0.4.0