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Product & Craft · Week of September 27, 2026

AI Software Factories Hit Production Scale as Review and Accountability Lag

Warp ships 2,000 pull requests a month, and the first one for a new request can be ready in as little as 35 minutes. A ticket typed into Slack moves through Linear and GitHub, gets tested, and comes back as a merged PR. CEO Zach Lloyd built it that way on purpose, and he tracks one number above all others: human interactions per PR. That metric is how Warp knows whether the factory is actually automated or whether engineers are quietly doing the work themselves.

CEO Zach Lloyd built it that way on purpose, and he tracks one number above all others: human interactions per PR.

Last issue, the bottleneck was review. This week, the bottleneck has a job title, a budget line, and no owner.

The mechanics at Warp are less magical than the marketing suggests. Every incoming issue gets triaged into one of four states: ready-to-implement, ready-to-spec

Sources

Researched from 10 sources. Primary source: lennysnewsletter.com

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