# Hugging Face Transformers v4.47.1 — Release & Upgrade Intelligence
- **Product:** Hugging Face Transformers (https://huggingface.co)
- **Version:** v4.47.1
- **Released:** Dec 17, 2024
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/transformers/updates/v4.47.1/

## Executive Summary (TL;DR)
Hugging Face Transformers v4.47.1. Source highlight: Patch release v4.47.1

## Bug Fixes
- Fix GA loss bugs and add unit test (#35121)
- Fix num_items_in_batch not being an integer (#35115))
- Fix FSDP no longer working (#35212)
- Don't use no_sync when DeepSpeed doesn't support it for certain ZeRO configurations (#35212)
- Only import torch.distributed if it is available (#35133)
- [Whisper] Patch float type on MPS (#35295)

## Upgrade Command
```bash
python -m pip install 'transformers==4.47.1'
```