langchain
https://github.com/langchain-ai/langchain
Python
⚡ Building applications with LLMs through composability ⚡
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- Issues
- Add Official Support for Conda as an Alternative Dependency Manager in Development/Container Environments
- OpenAI.BadRequestError when using create_agent with structured output and tools with optional input parameters
- OllamaEmbeddings doesnt support `output_dimensionality` in embed_documents method.
- Langsmith `include_model` broken due to deserialization allowlist
- When using OpenAI Responses API in streaming mode, there is no chunk from langchain that contains the entire function_call definition including arguments.
- fix(core): merge `tool_call_chunks` without index in streaming
- feat(core): add `StreamEventName` `Literal` type for type-safe event handling
- fix(chroma): forward `filter`/`where_document` in `_similarity_search_with_relevance_scores`
- AssertionError: Please remove duplicate middleware instances in create_deep_agent with TodoListMiddleware and custom system_prompt
- fix(perplexity): ensure metadata appears in streaming output
- Docs
- Python not yet supported