langgraph-checkpoint-postgres==3.1.2
This release updates langgraph-checkpoint-postgres to version 3.1.2 and includes a fix for finding plain-value seeds during delta history traversal. It also integrates a conformance test suite for both Postgres and SQLite checkpoint implementations.
Verified State Diff
Impact & Verification Analysis
Developers using LangGraph with Postgres or SQLite for state persistence.
Ensures data integrity and consistency in state checkpointing, reducing potential runtime errors during complex agentic workflows that rely on delta history.
Full Fact Overview
The release addresses a specific bug in the checkpoint-postgres library regarding the retrieval of plain-value seeds when walking through delta history (PR #8535). Additionally, the package now enforces a standardized conformance test suite (PR #8537) to ensure consistency across different storage backends (Postgres and SQLite). The update also includes maintenance tasks such as enabling the RUF100 lint rule and PLC0415, alongside dependency updates for the checkpoint-postgres library.