langchain
https://github.com/langchain-ai/langchain
Python
⚡ Building applications with LLMs through composability ⚡
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- Issues
- [Feature Request] RAG troubleshooting checklist using the WFGY 16-problem map
- fix(core): prevent RuntimeError in Serializable.to_json() under thread concurrency
- fix(core): prevent _configure_hooks accumulation in get_usage_metadata_callback
- fix(openai,anthropic): safely handle missing event loop in async client cleanup
- Add Kevros Governance tools — action verification + hash-chained audit trails
- chore(core): Normalization of `total_cost` for `prompt` key in `llm_cache`
- feat(core): forward bound kwargs in RunnableBinding.__getattr__
- fix(core): drop orphaned ToolMessages in trim_messages with strategy='last'
- RuntimeError in _AsyncHttpxClientWrapper.__del__ when event loop is closed
- [langchain-openai] with_structured_output() silently drops previously bound tools and lacks support for OpenAI native tool bindings
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- Python not yet supported