langgraph-checkpoint-postgres==3.1.2
LangGraph's Postgres checkpointer library has been updated to version 3.1.2, addressing an issue with finding plain-value seeds during delta history traversal.
Why this signal matters
LangGraph released langgraph-checkpoint-postgres 3.1.2 with several maintenance and fix updates since 3.1.1. Key changes include: a bug fix resolving how plain-value seeds are found when walking delta history ( 8535); execution of the standard conformance test suite across checkpoint-postgres and checkpoint-sqlite ( 8537); linting enhancements including enabling RUF100, PLC0415, and clearing unused noqa directives ( 8546, 8540); and automated dependency version bumps in the minor-and-patch group ( 8497).
Actionable summary
langgraph-checkpoint-postgres release 3.1.2 fixes plain-value seed discovery when walking delta history, incorporates checkpoint conformance suite testing, updates linting configurations, and bumps dependency versions.
- Agent usefulness
- 82/100
- Confidence
- 96%
- Canonical data
- JSON + Markdown
What builders should check
- Upgrade langgraph-checkpoint-postgres to 3.1.2 if relying on delta history traversal with plain-value seeds.