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Developers · Updated 27 Oct, 01:27 am IST

LangGraph releases langgraph-checkpoint 4.3.1 with NUL-byte fix

Why it matters for readers: It's a routine software update that fixes a specific bug and refreshes a library dependency.

  • LangGraph released langgraph-checkpoint version 4.3.1.1
  • The release includes a fix to reject NUL bytes in namespace labels.1
  • A dependency bump updated certifi from 2026.1.4 to 2026.10.19 in the checkpoint library.1
  • The commit creating the release was made on GitHub and signed with GitHub’s verified signature.1
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