---
id: pr-vllm-21485
repo: vllm-project/vllm
pr: 21485
title: update flashinfer to v0.2.9rc1
author: weireweire
date: '2025-07-24'
url: https://github.com/vllm-project/vllm/pull/21485
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: 2dd72d23d965c6951e14029c9540e0b0e57bc9ee
inclusion_reason: kernel file changes
changed_paths:
- docker/Dockerfile
- vllm/attention/backends/flashinfer.py
- vllm/v1/attention/backends/flashinfer.py
head_ref_oid: ab4b9a4d7be758fdb8cdf4742f65d2c80fe9f731
artifact_dir: evidence/pull-bundles/vllm/gh-21485
---
# update flashinfer to v0.2.9rc1

- Repository: `vllm-project/vllm`
- PR: [21485](https://github.com/vllm-project/vllm/pull/21485)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `docker/Dockerfile`
- `vllm/attention/backends/flashinfer.py`
- `vllm/v1/attention/backends/flashinfer.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-21485`
