langgraph
https://github.com/langchain-ai/langgraph
Python
Build resilient language agents as graphs.
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- Issues
- fix: inherit parent checkpoint metadata in update_state so history filters remain effective
- fix(checkpoint): serialize generic type args for pydantic v2 models
- fix(langgraph): use TypeVar for add_conditional_edges path_map key type
- checkpoint-sqlite: make TTL pruning deterministic at boundary
- fix(checkpoint-sqlite): make TTL sweep deterministic with explicit cutoff
- Wfh/respect defaults
- feat(langgraph): add messages_key filtering for message streams
- feat(checkpoint-postgres): add extended methods and conformance tests
- feat: add Pandas DataFrame/Series serialization via msgpack
- fix: support Pydantic default values with reducer functions
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- Python not yet supported