langchain
https://github.com/langchain-ai/langchain
Python
⚡ Building applications with LLMs through composability ⚡
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- Issues
- Symlink-Based File Read via Relative Path in LangChain Core Prompt Loader
- Integration with Perplexity Agent API
- Performance: transformers are imported unconditionally on BaseChatModel import
- Token-efficient serialization for agent message passing to reduce context window overhead at scale
- IPEX support will be removed in optimum-intel v2
- AIMessageChunk(content='') for thinking tokens missng from vllm instance
- feat(langchain): add RejectSystemMessagesMiddleware guardrail
- ShellSession times out when command output lacks trailing newline due to marker concatenation
- Bug: deprecated prompt loaders still follow relative symlinks outside the working directory
- `XMLOutputParser._root_to_dict` drops child elements when parent has text
- Docs
- Python not yet supported