langgraph
https://github.com/langchain-ai/langgraph
Python
Build resilient language agents as graphs.
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- Issues
- fix(checkpoint-postgres): retry & reconnect when DB restarts or SSL connection drops
- Update ThreadState endpoint doesn't reflect history endpoint
- Frontend stops receiving stream events midway but the stream continues on langsmith
- /join endpoint returns HTTP 200 with error payload instead of proper HTTP error status codes
- Interrupts missing in thread_state on self-hosted LangGraph (1.x)
- `ToolNode` `ainvoke` freezes if `sse_read_timeout`
- 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
- Using Pydantic state with aliased fields
- Docs
- Python not yet supported