# Hugging Face Transformers v2.5.0 — Release & Upgrade Intelligence
- **Product:** Hugging Face Transformers (https://huggingface.co)
- **Version:** v2.5.0
- **Released:** Feb 19, 2020
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/transformers/updates/v2.5.0/

## Executive Summary (TL;DR)
Hugging Face Transformers v2.5.0. Source highlight: Rust tokenizers (@mfuntowicz, @n1t0 )

## Bug Fixes
- Remove redundant hidden states that broke encoder-decoder architectures (@LysandreJik )
- Cleaner and more readable code in `test_attention_weights` (@sshleifer)
- XLM can be trained on  SQuAD in different languages (@yuvalpinter)
- Improve test coverage on several models that were ill-tested (@LysandreJik)
- Fix issue where TFGPT2 could not be saved (@neonbjb )
- Multi-GPU evaluation on run_glue now behaves correctly (@peteriz )

## Upgrade Command
```bash
python -m pip install 'transformers==2.5.0'
```