# Hugging Face Transformers v4.26.1 — Release & Upgrade Intelligence
- **Product:** Hugging Face Transformers (https://huggingface.co)
- **Version:** v4.26.1
- **Released:** Feb 09, 2023
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/transformers/updates/v4.26.1/

## Executive Summary (TL;DR)
Hugging Face Transformers v4.26.1. Source highlight: ESM openfold_utils type hints  by @ringohoffman in #20544

## New Features
- Add cPython files in build by @sgugger in #21372

## Bug Fixes
- Fix T5 inference in float16 + bnb error by @younesbelkada in #21281
- Fix import in Accelerate for find_exec_bs by @sgugger in #21501
- Fix inclusion of non py files in package by @sgugger in #21546

## Upgrade Command
```bash
python -m pip install 'transformers==4.26.1'
```