langgraph
https://github.com/langchain-ai/langgraph
Python
Build resilient language agents as graphs.
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- Issues
- create_react_agent aborts return_direct=True tools with "need more steps" when remaining_steps == 1
- Checkpoint serialization downcasts dict subclasses (defaultdict/Counter/OrderedDict) to plain dict, losing default_factory
- Checkpoint serialization rejects fractions.Fraction and complex (TypeError) though Decimal is supported
- RFC feedback: LSS 1.1 composition blocks vs graph topology
- fix(langgraph): persist pending writes on interrupt
- [Integration] Perseus (live context engine) + Mimir (persistent memory) as LangGraph middleware/checkpointer backends
- Feature: Mimir as a LangGraph Store backend (single-binary, encrypted, zero-dependency memory)
- [Bug]: Potential sqlite3.OperationalError database is locked during highly concurrent aput operations
- Docs: add a contributor fast-path for docs/quality improvements
- Typo in create_react_agent docstring: "GraphRecusionError" should be "GraphRecursionError"
- Docs
- Python not yet supported