langgraph
https://github.com/langchain-ai/langgraph
Python
Build resilient language agents as graphs.
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- Issues
- Self-host standalone servers fail to start
- `ToolNode` `ainvoke` freezes if `sse_read_timeout`
- ToolNode fails to execute tools with ToolRuntime parameter due to Pydantic validation error
- AttributeError in streaming when InMemorySaver is used
- Invalid state saved to checkpoint without validation, causing permanent corruption.
- `add_conditional_edges` type signature causes incompatibility with dict[str, str]
- fix(langgraph): preserve dataclass default values for reducer channels
- fix: RemoteGraph.astream(subgraphs=True) namespace handling to match in-memory Pregel graphs
- feat(langgraph): Custom Injection for ToolRuntime
- feat(langgraph): support Pydantic state with aliased fields (input)
- Docs
- Python not yet supported