---
id: pr-sglang-19086
repo: sgl-project/sglang
pr: 19086
title: '[Fix][Qwen3.5] Fix KV cache slice transfer for GQA models with replicated KV heads'
author: YAMY1234
date: '2026-02-25'
url: https://github.com/sgl-project/sglang/pull/19086
source_category: upstream-code
architectures:
- sm100
tags: []
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: f75abb4521cfa5a58a9876b3d71c5788302f751d
inclusion_reason: include
changed_paths:
- python/sglang/srt/disaggregation/base/conn.py
- python/sglang/srt/disaggregation/mooncake/conn.py
- python/sglang/srt/disaggregation/prefill.py
artifact_dir: evidence/pull-bundles/sglang/gh-19086
head_ref_oid: c53c756f0de1661d985653468647e2ff570d6b70
---
# [Fix][Qwen3.5] Fix KV cache slice transfer for GQA models with replicated KV heads

- Repository: `sgl-project/sglang`
- PR: [19086](https://github.com/sgl-project/sglang/pull/19086)
- Decision: `include`
- Reason: include

## Changed Paths

- `python/sglang/srt/disaggregation/base/conn.py`
- `python/sglang/srt/disaggregation/mooncake/conn.py`
- `python/sglang/srt/disaggregation/prefill.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-19086`
