langgraph
https://github.com/langchain-ai/langgraph
Python
Build resilient language agents as graphs.
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- Issues
- PostgresStore.search() matches namespace_prefix with an unescaped SQL LIKE, returning rows from foreign namespaces
- Failed to build `jsonschema-rs==0.29.1`
- error_handler: handled exception is re-raised anyway when the failing node runs in parallel with other tasks in the same superstep
- Real stateful workflow use case: autonomous bounty system open for LangGraph agents
- cli: source.kind 'uv' ignores [tool.uv.workspace].exclude — dockerfile generation fails on workspaces that uv lock accepts
- perf: FuturesDict.on_done re-scans all completed futures on every callback (O(tasks^2) stop-check)
- fix: delta replay bug for channel migrated from non-delta channels
- perf: PregelLoop.put_writes re-scans all channels for UntrackedValue on every task completion (O(channels x tasks))
- sdk-py: 4 more f-string sinks in stream.py missed by #7954's _quote_path_param fix
- usage_metadata lost in LangSmith traces when astream_events forces streaming inside ainvoke
- Docs
- Python not yet supported