# Hugging Face Transformers v4.38.2 — Release & Upgrade Intelligence
- **Product:** Hugging Face Transformers (https://huggingface.co)
- **Version:** v4.38.2
- **Released:** Mar 01, 2024
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/transformers/updates/v4.38.2/

## Executive Summary (TL;DR)
Hugging Face Transformers v4.38.2. Source highlight: Fix backward compatibility issues with Llama and Gemma:

## Bug Fixes
- FIX [Gemma] Fix bad rebase with transformers main (#29170)
- Improve _update_causal_mask performance (#29210)
- [T5 and Llama Tokenizer] remove warning (#29346)
- [Llama ROPE] Fix torch export but also slow downs in forward (#29198)
- RoPE loses precision for Llama / Gemma + Gemma logits.float() (#29285)
- Patch YOLOS and others (#29353)

## Upgrade Command
```bash
python -m pip install 'transformers==4.38.2'
```