vllm-project

vllm-project/vllm

Time frame
Merged PRs May 19, 2026 – Jul 15, 2026

Velocity

0 PRs17.9%

Last 12 weeks · 772 commits · +389,449 / -102,267

Median cycle time

2.8d

34.8d p90 · 1.4d to first approval

Code churn (30d)

22%

3% revert · 21% reedit

Substantive reviews

41%

1% changes requested · 9% rubber-stamped

Complexity-adjusted velocity

505.0

2.5 avg complexity / PR

Maintainability risk

1.4

LLM-assessed, higher means riskier

Reviewer turnaround

4.0d

121 active reviewers

Work distribution
Merged PRs by commit classification.
Feature 2%Bug fix 6%Maintenance 93%

Maintenance breakdown

Tech debt66
DevOps15
Admin5
1,510merged PRs

Most of the work

Maintenance

Least of the work

Feature

Work-type mix over time
Merged PRs per week by classification.
Review health
Where substantive-review coverage sits, from rubber-stamp territory to rigorous.

41%

0%40%70%100%

1% of PRs got changes requested · 9% were rubber-stamped

Reviewer metrics
Non-bot reviewer load and first-activity turnaround.
ReviewerReviewsAvg turnP90 turnComments
AndreasKaratzas666.8d21.7d44
mgoin578.6d22.0d10
njhill476.5d15.8d28
WoosukKwon477.0d18.8d1
yewentao256423.6d10.8d22
DarkLight1337381.1d6h21
tlrmchlsmth380
zyongye361.8d3.6d2