GitHub Releases / 2026-10-26

langgraph==1.2.18

Changes since 1.2.17 release(checkpoint): 4.3.1 ( #9447 ) release(langgraph): 1.2.18 ( #9445 ) fix(langgraph): let error_handler recover on every path and stream failed task results ( #9408 ) feat(langgraph): default delta snapshots to 100 updates ( #9420 ). DeltaChannel now takes a full snapshot every 100 updates instead of 1000: faster reads on long threads, more storage. Pass snapshot_frequency=1000 to keep the old behavior. fix(langgraph): stream the last checkpoint of a run stopped by inter