langchain
https://github.com/langchain-ai/langchain
Python
⚡ Building applications with LLMs through composability ⚡
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- Issues
- chore(core): Normalization of `total_cost` for `prompt` key in `llm_cache`
- fix(core, openai): surface reasoning traces via Chat Completions API …
- 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): remove str() cast in get_from_dict_or_env to preserve original types
- fix(core): prevent memory leak from lru_cache on bound methods
- feat(langchain, core): add provenance-based execution guard for side-effecting tools
- feat(core,openai): add client-side rate limiting for embedding models
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