# Hugging Face Transformers v4.23.0 — Release & Upgrade Intelligence
- **Product:** Hugging Face Transformers (https://huggingface.co)
- **Version:** v4.23.0
- **Released:** Oct 10, 2022
- **Impact Score:** 7/10
- **Breaking Changes:** Source flagged
- **Canonical Analysis:** https://changelogs.us/transformers/updates/v4.23.0/

## Executive Summary (TL;DR)
Hugging Face Transformers v4.23.0. Source highlight: The Whisper model was proposed in Robust Speech Recognition via Large-Scale Weak Supervision by Alec Radford, Jong Wook Kim, Tao Xu, Greg Brockman, Christine McLeavey, Ilya Sutskever.

## Breaking Changes & Deprecations
- :warning: This is a recently introduced model and modality, so the API hasn't been tested extensively. There may be some bugs or slight breaking changes to fix it in the future. If you see something strange, file a [Github Issue](https://github.com/huggingface/transformers/issues/new?assignees=&labels=&template=bug-report.md&title).
- 🚨 Breaking changes The following changes are bugfixes that we have chosen to fix even if it changes the resulting behavior. We mark them as breaking changes, so if you are using this part of the codebase, we recommend you take a look at the PRs to understand what changes were done exactly..
- The following changes are bugfixes that we have chosen to fix even if it changes the resulting behavior. We mark them as breaking changes, so if you are using this part of the codebase, we recommend you take a look at the PRs to understand what changes were done exactly..
- Breaking change for ViT parameter initialization
- Breaking change for the `top_p` argument of the `TopPLogitsWarper` of the `generate` method.

## New Features
- Add WhisperModel to transformers  by @ArthurZucker in #19166
- Add TF whisper  by @amyeroberts in #19378
- Add Deformable DETR by @NielsRogge in #17281
- Add support for conditional detr  by @DeppMeng in #18948
- Add MarkupLM by @NielsRogge in #19198
- Add post_process_semantic_segmentation method to SegFormer  by @alaradirik in #19072

## Improvements
- Improve conditional detr docs  by @NielsRogge in #19154
- Improve DETR post-processing methods  by @alaradirik in #19205

## Bug Fixes
- [fix] Add DeformableDetrFeatureExtractor by @NielsRogge in #19140
- Fix BeitFeatureExtractor postprocessing  by @alaradirik in #19119
- Detr preprocessor fix  by @alaradirik in #19007
- Improve and fix ImageSegmentationPipeline  by @alaradirik in #19367
- Maskformer post-processing fixes and improvements  by @alaradirik in #19172
- Fix MaskFormer failing postprocess tests  by @alaradirik in #19354

## Upgrade Command
```bash
python -m pip install 'transformers==4.23.0'
```