# Hugging Face Transformers v4.53.1 — Release & Upgrade Intelligence
- **Product:** Hugging Face Transformers (https://huggingface.co)
- **Version:** v4.53.1
- **Released:** Jul 04, 2025
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/transformers/updates/v4.53.1/

## Executive Summary (TL;DR)
Hugging Face Transformers v4.53.1. Source highlight: This patch contains several bug fixes. The following commits are included:

## New Features
- Add packed tensor format support for flex/sdpa/eager through the mask! (#39194)

## Bug Fixes
- Fix: unprotected import of tp plugin (#39083)
- Fix key mapping for VLMs (#39029)
- Several fixes for Gemma3n(#39135)
- [qwen2-vl] fix FA2 inference (#39121)
- [smolvlm] fix video inference (#39147)
- Fix multimodal processor get duplicate arguments when receive kwargs for initialization (#39125)

## Upgrade Command
```bash
python -m pip install 'transformers==4.53.1'
```