langgraph

v1.2.4 Bugfix

This release fixes issues for SREs watching stability and regressions.

Published 1d AI Agents & Assistants

✓ No known CVEs patched

✓ No known CVEs patched in this version

Topics

agents ai ai-agents chatgpt deepagents enterprise

+9 more

gemini generative-ai langchain langgraph llm multiagent openai pydantic python

Summary

AI summary

Fixed backward compatibility of _on_started overrides.

Type	Severity	Summary	CVE
Bugfix	Medium	Fixes backward compatibility of _on_started in langgraph Fixes backward compatibility of _on_started in langgraph Source: llm_adapter@2026-06-02 Confidence: high	—

Full changelog

Changes since 1.2.3

release(langgraph): 1.2.4 (#7991)
test(sdk-py): add factory-graph integration test exercising the server factory path (#7978)
fix(langgraph): keep _on_started backward-compatible with overrides predating cause (#7987)

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About langgraph

Build resilient language agents as graphs.