langchain
https://github.com/langchain-ai/langchain
Python
⚡ Building applications with LLMs through composability ⚡
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- Issues
- OpenAI built-in tools (web_search) ignored when combined with structured output
- fix: support tools parameter in with_structured_output function_calling mode
- Standardize & Abstract Prompt/Context Caching
- Perplexity uncomplete usage metadata parsing
- json_schema `_retrieve_ref` fails to process list element with dict lookup method
- Failed to used non-argument tool call or MCP in stream mode
- Tool artifact not in `on_tool_end` event when using `astream_events`
- Potential validation issue when using `StateLike` in `Annotation` for a tool
- core: `_configure_hooks` variable accumulates with each call to `get_usage_metadata_callback`
- text-splitters: remove `sentence-transformers` dependency
- Docs
- Python not yet supported