langchain
https://github.com/langchain-ai/langchain
Python
⚡ Building applications with LLMs through composability ⚡
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- Issues
- Python 3.14 support
- Add AND-capable trigger conditions to Python SummarizationMiddleware (parity with LangChain.js)
- Structured output and tool invocation
- feat(langchain): add AND/OR trigger logic to summarization middleware
- Middleware for Interactive Parameter Completion
- Feature Request: Add StreamEventName Literal type for type-safe event handling in astream_events
- ShellToolMiddleware does not work with InMemorySaver
- fix(langchain): filter non-serializable state in Send for `ShellToolMiddleware`
- fix(deepseek): preserve `reasoning_content` in multi-turn conversations
- feat(core): eager validation for `trim_messages` configuration
- Docs
- Python not yet supported