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Agent Frameworkpypimedium schema drift risk

langgraph

LangGraph (Python) by LangChain

Building stateful, multi-actor applications with LLMs

Live Registry Versionv1.2.17Previous: v1.2.16Published 2026-10-24
Stability Grade
B+ (86/100)
90-Day Velocity
8 releases
Moderate cadence
Dependencies
6 direct
PYPI manifest
License
MIT
Verified on PYPI
Recommended Exact Pin: pip install "langgraph==1.2.17"
TL;DR Verdict & Quick Citation Summary (2026-10-24)Source: AgentBreakWatch Live PYPI Index

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 past 90 days. v1.x standardizes human-in-the-loop interrupt() and Command(resume=...) primitives and moves prebuilt agents to langgraph.prebuilt. Production teams should pin pip install "langgraph==1.2.17" rather than using unpinned @latest tags.

Breaking Changes & Tool Schema Drift Analysis

v1.x standardizes human-in-the-loop interrupt() and Command(resume=...) primitives and moves prebuilt agents to langgraph.prebuilt.

Watched Exports / MCP Tool Signatures:
StateGraphinterruptCommand InMemorySaver
Before (Deprecated / Unpinned Pattern)
from langgraph.checkpoint.sqlite import SqliteSaver
memory = SqliteSaver.from_conn_string(":memory:")
After (Verified v1.2.17 Pattern)
from langgraph.checkpoint.memory import InMemorySaver
checkpointer = InMemorySaver()

Frequently Asked Questions: langgraph

What is the latest version of langgraph on PYPI?

As of 2026-10-24, the latest stable version of langgraph (LangGraph (Python) by LangChain) on PYPI is v1.2.17, published on 2026-10-24. It has shipped 8 releases in the last 90 days.

Does langgraph v1.2.17 have breaking changes or MCP schema drift risk?

langgraph currently carries a MEDIUM schema drift risk rating with a Stability Score of 86/100 (Grade B+). v1.x standardizes human-in-the-loop interrupt() and Command(resume=...) primitives and moves prebuilt agents to langgraph.prebuilt.

How do I safely pin langgraph in production?

Avoid unpinned @latest tags in production agent configs. Pin the exact verified version using `pip install "langgraph==1.2.17"` and monitor StateGraph, interrupt, Command, InMemorySaver for parameter or schema changes.

30-Min Registry & Schema Poller

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We poll PYPI and langchain-ai/langgraph every 30 minutes. Get an email with the exact diff when langgraph ships a breaking release beyond v1.2.17.