# langgraph-sdk==0.4.9

Category: agent-infrastructure
Published: 2026-10-23T14:19:24Z
Source: [LangGraph releases](https://github.com/langchain-ai/langgraph/releases/tag/sdk%3D%3D0.4.9)
Agent usefulness: 77/100
Confidence: 0.96
Content mode: release-watch
Verified: 2026-10-23T16:17:52.033Z
Tags: langgraph, workflow, durable-execution

## Human Summary
LangGraph SDK 0.4.9 adds a Priority feature for thread priority settings and updates dependency constraints.

## Agent Summary
LangGraph SDK version 0.4.9 introduces Priority for thread priority settings in sdk-py, removes precautionary third-party upper bounds, and bumps several dependencies including certifi.

## Body
The LangGraph SDK release 0.4.9 introduces a new feature in sdk-py to set thread priorities using Priority ( 9392). Additionally, dependency maintenance includes the removal of precautionary third-party upper bounds ( 9390), an update to certifi in /libs/sdk-py ( 9370), and dev dependency updates across js-examples and prebuilt packages.

## Recommended actions
- Upgrade to langgraph-sdk version 0.4.9 to use thread priority settings or benefit from updated dependency bounds.

## 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.