langchain-ai

langchain-ai/langchain

Time frame
Merged PRs May 20, 2026 – Jul 23, 2026

Velocity

0 PRs56.0%

Last 12 weeks · 633 commits · +45,880 / -15,204

Median cycle time

1h

3.7d p90 · 9h to first approval

Code churn (30d)

17%

16% revert · 15% reedit

Substantive reviews

40%

1% changes requested · 13% rubber-stamped

Complexity-adjusted velocity

592.0

1.8 avg complexity / PR

Maintainability risk

1.8

LLM-assessed, higher means riskier

Reviewer turnaround

4.2d

24 active reviewers

Work distribution
Merged PRs by commit classification.
Feature 3%Bug fix 8%Maintenance 89%

Maintenance breakdown

Tech debt57
DevOps20
Admin202
434merged 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.

40%

0%40%70%100%

1% of PRs got changes requested · 13% were rubber-stamped

Reviewer metrics
Non-bot reviewer load and first-activity turnaround.
ReviewerReviewsAvg turnP90 turnComments
ccurme2807.9d22.7d23
mdrxy1927.7d3.5d24
eyurtsev981.2d2.9d5
sydney-runkle143h4h33
avinashkamat4855
torontodeveloper320
nidhishgajjar33
baskaryan20