langgraph
https://github.com/langchain-ai/langgraph
Python
Build resilient language agents as graphs.
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- Issues
- tooling: add deterministic CI state classifier command
- Harden shallow Postgres migration guards against mixed-state schema
- BinaryOperatorAggregate: Overwrite not unwrapped and duplicate-Overwrite guard skipped when initial value is MISSING
- fix(langgraph): unwrap Overwrite and enforce duplicate guard in BinaryOperatorAggregate MISSING fast-path
- Entity-level merge for parallel branch state reconciliation
- Align recency semantics across get_tuple, list, and history pagination
- checkpoint-postgres: fail closed on incomplete shallow schema
- 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
- Docs
- Python not yet supported