[dependabot]

Bumps langgraph from 1.2.15 to 1.2.18.

Release notes

Sourced from langgraph's releases.

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 interrupt_after or the recursion limit (#9409)
• fix(langgraph): stop duplicating tags at every subgraph level (#9400)
• chore(deps): bump opentelemetry-api from 1.39.1 to 1.45.1 in /libs/langgraph (#9424)
• chore(deps): bump nbconvert from 7.17.1 to 7.17.2 in /libs/langgraph (#9426)

langgraph==1.2.17

Changes since 1.2.16

• release(langgraph): 1.2.17 (#9418)
• fix(langgraph): apply an explicit recursion_limit equal to the default (#9417)
• fix(langgraph): keep the caller's namespace in RemoteGraph.stream(subgraphs=True) (#9401)
• chore(deps): remove precautionary third-party upper bounds (#9390)
• chore(deps): bump certifi from 2026.1.4 to 2026.10.19 in /libs/langgraph (#9375)
• chore(deps-dev): bump the minor-and-patch group in /libs/prebuilt with 6 updates (#9150)

langgraph==1.2.16

Changes since 1.2.15

• release(langgraph): 1.2.16 (#9334)
• fix(langgraph): let other tasks finish when a resume value is invalid (#9265)
• fix(langgraph): apply a resumed Command's update once (#9322)
• fix(langgraph): stop a subgraph from rerunning its finished tasks on resume (#9315)
• fix(langgraph): save a resumed exit run's pending writes once (#9314)
• release(prebuilt): 1.1.1 (#9316)
• release(checkpoint-postgres): 3.2.0 (#9313)
• feat(checkpoint-postgres): add prune to PostgresSaver and AsyncPostgresSaver (#9290)
• fix(langgraph): keep a DeltaChannel's value when its field changes to a plain reducer (#9302)
• release(checkpoint-postgres): 3.1.3 (#9287)
• release(checkpoint-sqlite): 3.1.2 (#9288)

Commits

• 3521f08 release(checkpoint): 4.3.1 (#9447)
• 24294fa release(langgraph): 1.2.18 (#9445)
• f6317d5 release(sdk-py): 0.4.10 (#9446)
• 7e56e6c fix(langgraph): let error_handler recover on every path and stream failed tas...
• 0fc4f35 feat(langgraph)!: default delta snapshots to 100 updates (#9420)
• 58be691 release(cli): 0.4.40 (#9443)
• 1adeafe feat(cli): send the upload headers the control plane returns (#9396)
• dc1741c release(cli): 0.4.39 (#9442)
• 244ca65 docs: add "Direction: LangGraph is a runtime" section to AGENTS.md (#9439)
• c696d4e feat(cli): add --json to deploy list (#9395)
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