---
id: pr-sglang-13715
repo: sgl-project/sglang
pr: 13715
title: Fix EPLB + FP4 Quantization Compatibility Issue
author: shifangx
date: '2026-01-10'
url: https://github.com/sgl-project/sglang/pull/13715
source_category: upstream-code
architectures:
- sm100
tags:
- fp4
- moe
- quantization
techniques: []
hardware_features:
- fp4
kernel_types:
- moe
- quantization
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: d27f16f38a6f23e5a7c529c6f052ac11f28c4a97
inclusion_reason: kernel file changes
changed_paths:
- python/sglang/srt/layers/moe/utils.py
- python/sglang/srt/models/bailing_moe.py
- python/sglang/srt/models/deepseek_v2.py
- python/sglang/srt/models/glm4_moe.py
- python/sglang/srt/models/gpt_oss.py
- python/sglang/srt/models/longcat_flash.py
- python/sglang/srt/models/qwen2_moe.py
- python/sglang/srt/models/qwen3_moe.py
head_ref_oid: a0f3e77f0c3e085eb11ccd20757895fa0f07427d
artifact_dir: evidence/pull-bundles/sglang/gh-13715
---
# Fix EPLB + FP4 Quantization Compatibility Issue

- Repository: `sgl-project/sglang`
- PR: [13715](https://github.com/sgl-project/sglang/pull/13715)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `python/sglang/srt/layers/moe/utils.py`
- `python/sglang/srt/models/bailing_moe.py`
- `python/sglang/srt/models/deepseek_v2.py`
- `python/sglang/srt/models/glm4_moe.py`
- `python/sglang/srt/models/gpt_oss.py`
- `python/sglang/srt/models/longcat_flash.py`
- `python/sglang/srt/models/qwen2_moe.py`
- `python/sglang/srt/models/qwen3_moe.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-13715`
