langchain
https://github.com/langchain-ai/langchain
Python
⚡ Building applications with LLMs through composability ⚡
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- Issues
- core: `missing_required_parameter` when using LangGraph to pass multimodal data to models
- feat(xai): Add comprehensive tests and docs for agentic tool calling API
- OpenRouter
- fix(core): Pydantic nested model field descriptions in tool schema generation
- feat(text-splitters): add support for batched length function in `TextSplitter`
- feat(core)!: raise exception if `type` value is different in dicts to merge
- Harmony: bad request on gpt-oss-120b and tool calls with `create_react_agent`
- feat(core): deprecate problematic `dict()` method
- `Graph.draw_png()` silently returns `None` with invalid node types, causing unexpected crash on usage
- `on_llm_new_token` gets list of dicts instead of expected string
- Docs
- Python not yet supported