# Hugging Face Transformers v5.6.0 — Release & Upgrade Intelligence
- **Product:** Hugging Face Transformers (https://huggingface.co)
- **Version:** v5.6.0
- **Released:** Apr 22, 2026
- **Impact Score:** 7/10
- **Breaking Changes:** Source flagged
- **Canonical Analysis:** https://changelogs.us/transformers/updates/v5.6.0/

## Executive Summary (TL;DR)
Hugging Face Transformers v5.6.0. Source highlight: OpenAI Privacy Filter

## Breaking Changes & Deprecations
- Breaking changes The internal `rotary_fn` is no longer registered as a hidden kernel function, so any code referencing `self.rotary_fn(...)` within an Attention module will break and must be updated to call the function directly instead.

## New Features
- [`Privacy Filter`] Add model (#45580) by @vasqu in #45580
- add Qianfan-OCR model definition (#45280) by @marvinzh in #45280
- Add SAM3-LiteText (#44320) by @NielsRogge in #44320
- [Model] Add SLANet Model Support (#45532) by @zhang-prog in #45532
- Add /v1/completions endpoint (OpenAI legacy completions API) to `transformers serve` (#44558) by @rain-1 in [#44558]
- Add MoE to Gemma4 TP plan (#45219) by @sywangyi in [#45219]

## Bug Fixes
- :rotating_light: [`Kernels`] Fix kernel function registration (#45420)
- Fix response api support  (#45463) by @SunMarc in [#45463]
- Revert "Fix: modular image processors (#45492)" (#45531) by @tarekziade in [#45531]
- Fix: modular image processors (#45492) by @zucchini-nlp in [#45492]
- fix: prevent accelerate from splitting vision encoder by setting _no_… (#43047) by @<NOT FOUND> in [#43047]
- Fix Qwen2.5-VL temporal RoPE scaling applied to still images (#45330) by @Kash6 in [#45330]

## Upgrade Command
```bash
python -m pip install 'transformers==5.6.0'
```