langgraph-sdk==0.4.7
The langgraph-sdk has been updated to version 0.4.7, alongside langgraph core releases 1.2.14 and 1.2.15. This update introduces specific fixes for thread stream lifecycle management and delta channel replay ordering.
Verified State Diff
Impact & Verification Analysis
Developers building stateful agentic workflows using LangGraph and LangGraph Cloud.
These changes improve the reliability of long-running agentic processes and ensure consistent state recovery, which is critical for production-grade multi-agent systems.
Full Fact Overview
This release addresses critical state management issues within the LangGraph SDK. Specifically, it modifies the thread stream termination logic to trigger only upon root lifecycle events, preventing premature stream closure. Additionally, it improves data consistency by enforcing task-path-based ordering for delta channel replays, ensuring that state synchronization is deterministic during complex graph executions.