---
id: pr-sglang-22681
repo: sgl-project/sglang
pr: 22681
title: '[Diffusion] Add Wan2.2 ModelOpt NVFP4 support'
author: BBuf
date: '2026-04-13'
url: https://github.com/sgl-project/sglang/pull/22681
source_category: upstream-code
architectures:
- sm100
tags:
- fp4
- kernel-fusion
- nvfp4
- quantization
techniques:
- kernel-fusion
hardware_features:
- fp4
- nvfp4
kernel_types:
- quantization
languages:
- cuda-cpp
- python
captured_at: '2026-04-17'
status: merged
merge_sha: 85863f4c268873e1b426b9946e34b2fab08b1269
inclusion_reason: semantic match with file changes
changed_paths:
- docs/diffusion/quantization.md
- python/sglang/multimodal_gen/runtime/loader/component_loaders/scheduler_loader.py
- python/sglang/multimodal_gen/runtime/loader/component_loaders/transformer_loader.py
- python/sglang/multimodal_gen/runtime/platforms/cuda.py
head_ref_oid: b77f11e9ace22f1d91507087859a78e61be1cdfa
artifact_dir: evidence/pull-bundles/sglang/gh-22681
---
# [Diffusion] Add Wan2.2 ModelOpt NVFP4 support

- Repository: `sgl-project/sglang`
- PR: [22681](https://github.com/sgl-project/sglang/pull/22681)
- Decision: `semantic match with file changes`
- Reason: semantic match with file changes

## Changed Paths

- `docs/diffusion/quantization.md`
- `python/sglang/multimodal_gen/runtime/loader/component_loaders/scheduler_loader.py`
- `python/sglang/multimodal_gen/runtime/loader/component_loaders/transformer_loader.py`
- `python/sglang/multimodal_gen/runtime/platforms/cuda.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-22681`
