# vLLM v0.1.6 — Release & Upgrade Intelligence
- **Product:** vLLM (https://vllm.ai)
- **Version:** v0.1.6
- **Released:** Sep 08, 2023
- **Impact Score:** 7/10
- **Breaking Changes:** Source flagged
- **Canonical Analysis:** https://changelogs.us/vllm/updates/v0.1.6/

## Executive Summary (TL;DR)
vLLM v0.1.6. Source highlight: **Note:** This is an emergency release to revert a breaking API change that can make many existing codes using AsyncLLMServer not work.

## Breaking Changes & Deprecations
- Note:** This is an emergency release to revert a breaking API change that can make many existing codes using AsyncLLMServer not work.

## Upgrade Command
```bash
python -m pip install 'vllm==0.1.6'
```