# Hugging Face Transformers v4.53.2 — Release & Upgrade Intelligence
- **Product:** Hugging Face Transformers (https://huggingface.co)
- **Version:** v4.53.2
- **Released:** Jul 11, 2025
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/transformers/updates/v4.53.2/

## Executive Summary (TL;DR)
Hugging Face Transformers v4.53.2. Source highlight: This patch contains the following bug fixes:

## New Features
- [smollm3] add tokenizer mapping for `smollm3` (#39271)
- Add a default value for `position_ids` in masking_utils (#39310)

## Bug Fixes
- Fix some bug for finetune and batch infer For GLM-4.1V (#39090)
- [bugfix] fix flash attention 2 unavailable error on Ascend NPU (#39166)
- Fix errors when use verl to train GLM4.1v model (#39199)
- [pagged-attention] fix off-by-1 error in pagged attention generation (#39258)
- fix Glm4v batch videos forward (#39172)

## Upgrade Command
```bash
python -m pip install 'transformers==4.53.2'
```