---
id: pr-vllm-36466
repo: vllm-project/vllm
pr: 36466
title: 'feat(attention): extract KV-cache update from FlashAttentionDiffKV ba…'
author: Prathmesh234
date: '2026-03-30'
url: https://github.com/vllm-project/vllm/pull/36466
source_category: upstream-code
architectures:
- sm100
tags:
- attention
techniques: []
hardware_features: []
kernel_types:
- attention
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: 93b3ec15859af6610cad00410f09f024bc73dc62
inclusion_reason: kernel file changes
changed_paths:
- vllm/v1/attention/backends/flash_attn_diffkv.py
head_ref_oid: c9f84f82245d08604744855748a1baad68435140
artifact_dir: evidence/pull-bundles/vllm/gh-36466
---
# feat(attention): extract KV-cache update from FlashAttentionDiffKV ba…

- Repository: `vllm-project/vllm`
- PR: [36466](https://github.com/vllm-project/vllm/pull/36466)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `vllm/v1/attention/backends/flash_attn_diffkv.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-36466`
