langchain
https://github.com/langchain-ai/langchain
Python
⚡ Building applications with LLMs through composability ⚡
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- Issues
- 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
- 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
- fix(core): prevent memory leak from lru_cache on bound methods
- get_from_dict_or_env from langchain_core.utils has incorrect signature or incorrectly casting output
- TypeError in merge_lists when streaming Mistral responses with inline citations
- Docs
- Python not yet supported