# Hugging Face Transformers v4.50.1 — Release & Upgrade Intelligence
- **Product:** Hugging Face Transformers (https://huggingface.co)
- **Version:** v4.50.1
- **Released:** Mar 25, 2025
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/transformers/updates/v4.50.1/

## Executive Summary (TL;DR)
Hugging Face Transformers v4.50.1. Source highlight: Patch release v4.50.1

## Bug Fixes
- Deprecate #36741 and map Causal to Conditional (#36917)
- Fix pytorch deform attn path (#36923)
- [chameleon] fix num image token check (#36918)
- Fix torch version guard at import (#36907)

## Upgrade Command
```bash
python -m pip install 'transformers==4.50.1'
```