ReleaseBytes
python Pydantic AI Releases · · 2.3.0

pydantic-ai v2.3.0 adds Zhipu AI provider and numerous bug fixes

sdkaimediapython-agentic
feature patch

Version 2.3.0 of pydantic-ai introduces a new native provider for Z.AI (Zhipu AI) with thinking support. The release also includes a significant number of bug fixes addressing issues with tool results, file content handling, message routing, and state reconstruction. These updates are relevant to developers using pydantic-ai for AI integrations, particularly those leveraging various providers and tools.

  • →Add native Z.AI (Zhipu AI) provider with thinking support by @eliasaronson in https://github.com/pydantic/pydantic-ai/pull/4273
  • →fix(test): set provider_name on TestModel non-streaming responses by @syf2211 in https://github.com/pydantic/pydantic-ai/pull/6066
  • →Keep Bedrock tool results non-empty for empty lists by @Whning0513 in https://github.com/pydantic/pydantic-ai/pull/6155
  • →fix(huggingface): don't silently drop file content in tool returns by @HaozheZhang6 in https://github.com/pydantic/pydantic-ai/pull/5881
  • →skip OpenAI thinking-only chat history messages by @adtyavrdhn in https://github.com/pydantic/pydantic-ai/pull/6182
Features (1) ›
  • Add native Z.AI (Zhipu AI) provider with thinking support by @eliasaronson in https://github.com/pydantic/pydantic-ai/pull/4273
Fixes (13) ›
  • fix(test): set provider_name on TestModel non-streaming responses by @syf2211 in https://github.com/pydantic/pydantic-ai/pull/6066
  • Keep Bedrock tool results non-empty for empty lists by @Whning0513 in https://github.com/pydantic/pydantic-ai/pull/6155
  • fix(huggingface): don't silently drop file content in tool returns by @HaozheZhang6 in https://github.com/pydantic/pydantic-ai/pull/5881
  • fix skip OpenAI thinking-only chat history messages by @adtyavrdhn in https://github.com/pydantic/pydantic-ai/pull/6182

  • Don't send defer_loading without tool_search on models without native tool search by @adtyavrdhn in https://github.com/pydantic/pydantic-ai/pull/6144

  • Route remaining instrumentation serialization through safe_to_json by @dsfaccini in https://github.com/pydantic/pydantic-ai/pull/6073
  • fix

    reconstruct multimodal ToolReturnPart.content via a ToolReturnContent discriminator by @DouweM in https://github.com/pydantic/pydantic-ai/pull/6191

  • Fix AGUIAdapter.dump_messages reordering ToolReturnPart after UserPromptPart by @amarjaleelbanbhan in https://github.com/pydantic/pydantic-ai/pull/5969

  • fix

    track new_messages() boundary by position so a rebuilt resumed request isn't leaked by @klplentific in https://github.com/pydantic/pydantic-ai/pull/6034

  • Preserve tool_kind in Vercel AI and AG-UI message round-trips by @adtyavrdhn in https://github.com/pydantic/pydantic-ai/pull/5873
  • Make durable-exec MCP get_tools caching replay-deterministic by @dsfaccini in https://github.com/pydantic/pydantic-ai/pull/5883

  • Preserve FilePart.content.vendor_metadata in AG-UI and Vercel AI adapter round-trips by @Navaneethp007 in https://github.com/pydantic/pydantic-ai/pull/6095

  • Resolve dynamic toolset get_instructions in an activity under Temporal by @dsfaccini in https://github.com/pydantic/pydantic-ai/pull/5925
Read the original announcement →

https://github.com/pydantic/pydantic-ai/releases/tag/v2.3.0

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