pydantic/pydantic-ai v1.66.0
v1.66.0 (2026-03-04)

on GitHub

6 hours ago

What's Changed

🚀 Features

Enable native structured output for Qwen 3.5 models by @ggozad in #4534
Add Nano Banana 2 (gemini-3.1-flash-image-preview) by @adtyavrdhn in #4525

🐛 Bug Fixes

Fix builtin tool availability checking when using TemporalAgent with multiple models by @mattbrandman in #4100
Fix HasMatchingSpan YAML export/import round-trip for SpanQuery arguments by @debu-sinha in #4454

New Contributors

@debu-sinha made their first contribution in #4454
@advaitathreya made their first contribution in #4499

Full Changelog: v1.65.0...v1.66.0

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