# Hugging Face Transformers v4.22.1 — Release & Upgrade Intelligence
- **Product:** Hugging Face Transformers (https://huggingface.co)
- **Version:** v4.22.1
- **Released:** Sep 16, 2022
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/transformers/updates/v4.22.1/

## Executive Summary (TL;DR)
Hugging Face Transformers v4.22.1. Source highlight: Patch release for the following PRs:

## Bug Fixes
- Add tests for legacy load by url and fix bugs (#19078)
- Fix tokenizer load from one file (#19073)

## Upgrade Command
```bash
python -m pip install 'transformers==4.22.1'
```