LangGraph 1.2.7 Release Notes

LangGraph version 1.2.7 has been released, introducing bug fixes and dependency updates for the LangChain ecosystem.

• Fixes snapshot DeltaChannel overwrite supersteps to prevent data corruption.
• Ensures the Overwrite operation survives JSON roundtrips correctly.
• Emits valid UUIDs for exit-mode delta task_ids in langgraph-api.
• Updates dependencies including redis, langsmith, jupyterlab, bleach, cryptography, jupyter-server, tornado, and pyjwt.

This release addresses stability issues related to state management and ensures compatibility with updated third-party libraries.