# Hugging Face Transformers v2.2.1 — Release & Upgrade Intelligence
- **Product:** Hugging Face Transformers (https://huggingface.co)
- **Version:** v2.2.1
- **Released:** Dec 03, 2019
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/transformers/updates/v2.2.1/

## Executive Summary (TL;DR)
Hugging Face Transformers v2.2.1. Source highlight: This patch fixes a bug related to the input shape in several models in TensorFlow.

## Upgrade Command
```bash
python -m pip install 'transformers==2.2.1'
```