# Hugging Face Transformers v4.7.0 — Release & Upgrade Intelligence
- **Product:** Hugging Face Transformers (https://huggingface.co)
- **Version:** v4.7.0
- **Released:** Jun 17, 2021
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/transformers/updates/v4.7.0/

## Executive Summary (TL;DR)
Hugging Face Transformers v4.7.0. Source highlight: v4.7.0: DETR, RoFormer, ByT5, Hubert, support for torch 1.9.0

## New Features
- Add DETR #11653 (@NielsRogge)
- Add new model RoFormer (use rotary position embedding ) #11684 (@JunnYu)
- Add video links to the documentation #12162 (@sgugger)
- Add link to the course #12229 (@sgugger)
- Add support for torch 1.9.0 #12224 (@LysandreJik )
- [Community Notebooks] Add Emotion Speech Noteboook #11900 (@patrickvonplaten)

## Improvements
- Improve DETR #12147 (@NielsRogge)

## Bug Fixes
- fix pt-1.9.0 add_ deprecation #12217 (@stas00)
- Vit deit fixes #11309 (@NielsRogge)
- Enable option for subword regularization in more tokenizers. #11417 (@PhilipMay)
- Fix gpt-2 warnings #11709 (@LysandreJik)
- [Flax] Fix BERT initialization & token_type_ids default #11695 (@patrickvonplaten)
- BigBird on TPU #11651 (@vasudevgupta7)

## Upgrade Command
```bash
python -m pip install 'transformers==4.7.0'
```