Developers · Updated 13 Oct, 03:56 am IST

LangGraph publishes checkpoint==4.3.0 with fixes and dependency bumps

Why it matters for readers: It’s a maintenance release that makes checkpoint handling and dependency versions more robust.

Default InMemorySaver now keeps delta history tied to the latest checkpoint.1
Namespace labels are validated before dispatch to stores across checkpoint, checkpoint-postgres, and checkpoint-sqlite.1
Serialized data is preserved when an object cannot be rebuilt to avoid data loss.1
Delta writes from a resumed exit-mode run are replayed in live order and delta channel replay is ordered by task path.1
The release includes dependency bumps (urllib3, anyio) and other minor library updates in /libs/checkpoint.1

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