---
id: pr-vllm-30575
repo: vllm-project/vllm
pr: 30575
title: '[Bugfix] Pass FA version in `MultiHeadAttention`'
author: MatthewBonanni
date: '2025-12-13'
url: https://github.com/vllm-project/vllm/pull/30575
source_category: upstream-code
architectures:
- sm100
- sm90
tags:
- attention
techniques: []
hardware_features: []
kernel_types:
- attention
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: 86a3261525858bca5d4a234691fae0496d6fed99
inclusion_reason: kernel file changes
changed_paths:
- vllm/attention/layer.py
head_ref_oid: b31b49bd3550aa69a325b2a3d5b63aaa0488279c
artifact_dir: evidence/pull-bundles/vllm/gh-30575
---
# [Bugfix] Pass FA version in `MultiHeadAttention`

- Repository: `vllm-project/vllm`
- PR: [30575](https://github.com/vllm-project/vllm/pull/30575)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `vllm/attention/layer.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-30575`
