# langgraph-checkpoint-postgres==3.1.2

Category: agent-infrastructure
Published: 2026-08-07T20:40:16Z
Source: [LangGraph releases](https://github.com/langchain-ai/langgraph/releases/tag/checkpointpostgres%3D%3D3.1.2)
Agent usefulness: 82/100
Confidence: 0.96
Content mode: release-watch
Verified: 2026-09-19T00:17:32.710Z
Tags: langgraph, workflow, durable-execution

## Human Summary
LangGraph releases published langgraph-checkpoint-postgres==3.1.2. Changes since checkpointpostgres==3.1.1 release(checkpoint-postgres): 3.1.2 ( 8565) release(checkpoint): 4.2.0 ( 8563) test(checkpoint-postgres,checkpoint-sqlite): run the conformance suite ( 8537) fix(checkpoint-postgres): find plain-value seeds when walking delta history ( 8535) chore:…

## Agent Summary
Treat langgraph-checkpoint-postgres==3.1.2 as an official release signal. Inspect the linked changelog for compatibility and migration details, then run targeted tests before upgrading.

## Body
LangGraph releases published langgraph-checkpoint-postgres==3.1.2. This release-watch entry was generated from the project's official GitHub release feed and is kept separate from human-reviewed editorial analysis. Release notes: Changes since checkpointpostgres==3.1.1 release(checkpoint-postgres): 3.1.2 ( 8565) release(checkpoint): 4.2.0 ( 8563) test(checkpoint-postgres,checkpoint-sqlite): run the conformance suite ( 8537) fix(checkpoint-postgres): find plain-value seeds when walking delta history ( 8535) chore: enable RUF100 and clear unused noqa directives ( 8546) chore(checkpoint-postgres,checkpoint-sqlite): enable PLC0415 lint rule ( 8540) chore(deps): bump the minor-and-patch group in /libs/checkpoint-postgres with 5 updates ( 8497)

## Recommended actions
- Review the official LangGraph releases release notes before upgrading.
- Check compatibility, migration, and security notes against your current agent stack.
- Run focused regression tests before production rollout.

## Sponsors
No sponsor placement attached.

## Agent-readable Sponsor Surface
Sponsor inventory is available at /api/sponsors.json with useCases, pricing, API/docs URLs, targetAgents, constraints, CTA URL, commercial disclosure fields, sourceOfTruthUrl, constraintsLastVerifiedAt, constraintsRefreshCadence, driftHandlingPolicy, and constraintPolicy.