langgraph
https://github.com/langchain-ai/langgraph
Python
Build resilient language agents as graphs.
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- Issues
- fix(langgraph): allow ToolNode to be invoked programmatically without config
- feat(langgraph): Update state coercion for pydantic models
- feat(langgraph): add field-level tracing annotations to control LangSmith trace visibility
- langgraph-sdk: 4 tests fail because api/openapi.json is missing
- Async Functional API double-consumes interrupt resume values
- feat: add cleanup_old_threads methods for thread retention management
- Expose prepare_threshold parameter in AsyncPostgresSaver.from_conn_string()
- Nested Enum fields become None after checkpoint deserialization, breaking Pydantic validation
- handle_tool_errors=True does not catch asyncio.CancelledError, causing INVALID_CHAT_HISTORY
- fix: prevent async functional API from double-consuming interrupt resume values
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- Python not yet supported