langchain
https://github.com/langchain-ai/langchain
Python
⚡ Building applications with LLMs through composability ⚡
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- Issues
- feat(core): enrich HTML `pretty_repr` for prompt templates and display partial variables
- To add `OutputFixingParser` or an alternate
- Reasoning data persists in message history post-agent creation (create_agent)
- ChatXAI: 400 error when AIMessage has tool_calls but no content
- [langchain-deepseek] Missing `reasoning_content` in request payload when using deepseek-reasoner with tool calling
- fix(core): handle `None`/empty tool call arguments in tool parsers
- PostgresSaver setting Periodic Database Clearance
- Expose vLLM `stop_reason` in ChatOpenAI.response_metadata
- fix(core): prevent inherited docstrings for class-based tools
- Fireworks: reasoning_content is missing
- Docs
- Python not yet supported