langgraph
https://github.com/langchain-ai/langgraph
Python
Build resilient language agents as graphs.
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- Issues
- InMemoryStore.search() crashes on $gt/$gte/$lt/$lte when an item is missing the filtered key or has a non-numeric value
- AsyncSqliteSaver.put() and put_writes() deadlock instead of raising when called synchronously from within the event loop
- Thread copy endpoint can take 12+ minutes with no async/progress or shallow-copy option
- [security] CLI: `templates._download_repo_with_requests` extracts ZIP archives without per-entry path validation (CWE-22 / Zip Slip)
- langgraph_sdk: `HttpClient.request_reconnect` reuses `Content-Length`/`Content-Type` on body-less GET retry, causing `h11.LocalProtocolError`
- LANGGRAPH_STRICT_MSGPACK env var captured at import time, bypassed when set during startup
- LangGraph console docstring warnings: yaml.scanner.ScannerError: mapping values are not allowed here
- Discussion: deterministic compiled subflows for predictable tool sequences
- bug: RetryPolicy jitter can cause sleep to exceed max_interval
- Streaming agents leak malformed tool-call payloads as user-visible content when the model emits stray tokens
- Docs
- Python not yet supported