# Hugging Face Transformers v4.39.1 — Release & Upgrade Intelligence
- **Product:** Hugging Face Transformers (https://huggingface.co)
- **Version:** v4.39.1
- **Released:** Mar 22, 2024
- **Impact Score:** 7/10
- **Breaking Changes:** Source flagged
- **Canonical Analysis:** https://changelogs.us/transformers/updates/v4.39.1/

## Executive Summary (TL;DR)
Hugging Face Transformers v4.39.1. Source highlight: Patch release to fix some breaking changes to LLaVA model, fixes/cleanup for Cohere & Gemma and broken doctest

## Breaking Changes & Deprecations
- Patch release to fix some breaking changes to LLaVA model, fixes/cleanup for Cohere & Gemma and broken doctest

## Bug Fixes
- Correct llava mask & fix missing setter for `vocab_size` #29389
- [`SuperPoint`] Fix doc example (https://github.com/huggingface/transformers/pull/29816)

## Upgrade Command
```bash
python -m pip install 'transformers==4.39.1'
```