# Microsoft AutoGen AgentChat (autogen-agentchat) - AgentBreakWatch Reference

> TL;DR Verdict: Microsoft AutoGen AgentChat (`autogen-agentchat`) is currently at v0.7.5 on PYPI (published 2025-09-30), with a 90-day Stability Score of 73/100 (C+) and HIGH schema drift risk across 0 releases in the last 90 days. v0.7.x asynchronous event-driven architecture replaces legacy v0.2 ConversableAgent.initiate_chat and register_for_llm patterns.

## Live Telemetry Metadata
- Canonical Page: https://agentbreakwatch.vercel.app/p/autogen-agentchat-python
- Category Hub: https://agentbreakwatch.vercel.app/c/agent-sdks (AI Agent SDKs & Frameworks Breaking-Change Index)
- Package Name: `autogen-agentchat`
- Registry: PYPI (https://pypi.org/project/autogen-agentchat/)
- GitHub Repository: https://github.com/microsoft/autogen
- Vendor: Microsoft
- Latest Live Version: v0.7.5
- Published Date: 2025-09-30T06:16:12.895879Z
- 90-Day Release Count: 0
- Direct Dependencies: 1
- License: MIT License
- Stability Score: 73/100 (Grade C+)
- Schema Drift Risk: HIGH
- Recommended Exact Pin Command: `pip install "autogen-agentchat==0.7.5"`
- Watched Symbols / MCP Tools: AssistantAgent, RoundRobinGroupChat, McpWorkbench
- Snapshot Timestamp: 2026-10-24T12:11:27.697Z

## Breaking Change & Schema Drift Summary
v0.7.x asynchronous event-driven architecture replaces legacy v0.2 ConversableAgent.initiate_chat and register_for_llm patterns.

## Migration Diff: Before (Deprecated / Unpinned Pattern)
```
user_proxy.initiate_chat(assistant, message="Analyze data")
```

## Migration Diff: After (Verified v0.7.5 Pattern)
```
team = RoundRobinGroupChat([assistant], max_turns=4)
result = await team.run(task="Analyze data")
```

## Recent Verified Releases
- v0.7.5 (published 2025-09-30) [LATEST]
- v0.7.4 (published 2025-08-19)
- v0.7.3 (published 2025-08-19)
- v0.7.2 (published 2025-08-07)
- v0.7.1 (published 2025-07-28)
- v0.7.0 (published 2025-07-28)