# LangGraph (Python) (langgraph) - AgentBreakWatch Reference

> TL;DR Verdict: LangGraph (Python) (`langgraph`) is currently at v1.2.17 on PYPI (published 2026-10-24), with a 90-day Stability Score of 86/100 (B+) and MEDIUM schema drift risk across 8 releases in the last 90 days. v1.x standardizes human-in-the-loop interrupt() and Command(resume=...) primitives and moves prebuilt agents to langgraph.prebuilt.

## Live Telemetry Metadata
- Canonical Page: https://agentbreakwatch.vercel.app/p/langgraph-python
- Category Hub: https://agentbreakwatch.vercel.app/c/agent-sdks (AI Agent SDKs & Frameworks Breaking-Change Index)
- Package Name: `langgraph`
- Registry: PYPI (https://pypi.org/project/langgraph/)
- GitHub Repository: https://github.com/langchain-ai/langgraph
- Vendor: LangChain
- Latest Live Version: v1.2.17
- Published Date: 2026-10-24T01:07:49.155588Z
- 90-Day Release Count: 8
- Direct Dependencies: 6
- License: MIT
- Stability Score: 86/100 (Grade B+)
- Schema Drift Risk: MEDIUM
- Recommended Exact Pin Command: `pip install "langgraph==1.2.17"`
- Watched Symbols / MCP Tools: StateGraph, interrupt, Command,  InMemorySaver
- Snapshot Timestamp: 2026-10-24T12:11:27.697Z

## Breaking Change & Schema Drift Summary
v1.x standardizes human-in-the-loop interrupt() and Command(resume=...) primitives and moves prebuilt agents to langgraph.prebuilt.

## Migration Diff: Before (Deprecated / Unpinned Pattern)
```
from langgraph.checkpoint.sqlite import SqliteSaver
memory = SqliteSaver.from_conn_string(":memory:")
```

## Migration Diff: After (Verified v1.2.17 Pattern)
```
from langgraph.checkpoint.memory import InMemorySaver
checkpointer = InMemorySaver()
```

## Recent Verified Releases
- v1.2.17 (published 2026-10-24) [LATEST]
- v1.2.16 (published 2026-10-16)
- v1.2.15 (published 2026-10-12)
- v1.2.14 (published 2026-10-06)
- v1.2.13 (published 2026-10-05)
- v1.2.12 (published 2026-09-21)