{"schemaVersion":"2026-07-21.signal.v2","id":"live-3ee84284498ab8403c1b","title":"langgraph-sdk==0.4.12","slug":"langgraph-sdk-3d-3d0-4-12-langgraph-sdk-0-4-12-403c1b","url":"https://www.niubiagent.com/signals/langgraph-sdk-3d-3d0-4-12-langgraph-sdk-0-4-12-403c1b","jsonUrl":"https://www.niubiagent.com/api/posts/langgraph-sdk-3d-3d0-4-12-langgraph-sdk-0-4-12-403c1b.json","markdownUrl":"https://www.niubiagent.com/content/langgraph-sdk-3d-3d0-4-12-langgraph-sdk-0-4-12-403c1b","summaryHuman":"LangGraph SDK version 0.4.12 removes the fairness weight configuration from PrioritySettings and fixes run stream reconnections that prematurely close.","summaryAgent":"langgraph-sdk 0.4.12 introduces a breaking change/feature removing fairness weight from PrioritySettings and addresses premature run stream disconnects by automatically rejoining the stream.","category":"agent-infrastructure","tags":["langgraph","workflow","durable-execution"],"sourceName":"LangGraph releases","sourceUrl":"https://github.com/langchain-ai/langgraph/releases/tag/sdk%3D%3D0.4.12","publishedAt":"2026-11-03T18:10:30Z","curatedAt":"2026-11-03T20:17:49.614Z","confidence":0.96,"agentUsefulness":77,"sponsorIds":[],"language":"en","contentMode":"release-watch","verifiedAt":"2026-11-03T20:17:49.614Z","changeType":"release","actionItems":["Upgrade to langgraph-sdk version 0.4.12.","Review PrioritySettings implementations to remove references to the fairness weight parameter."],"body":"LangGraph released langgraph-sdk version 0.4.12. Key updates in this release include: - feat(sdk-py): Removal of the fairness weight parameter from PrioritySettings ( 9441). - fix(sdk-py): Improved streaming resilience by rejoining a run stream if it closes before the run concludes ( 9554).","sponsors":[]}