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Matthew

An independent publication and practice

Crossing
Into

A place to make sense of our transition into an AI-shaped world, and decide how we want to cross it.

Begin with The Brief

An automated weekday digest

The Brief

A five-minute weekday briefing on consequential AI news, research, policy, and arguments, with links to every original source.

Source-linked · AI-summarized · Editorial system designed by Matthew Williamson

Lead storyMonday, September 21, 2026

Claude Code Dominates Engineering Workflow at Big Company

An engineer at a big company reports that Claude Code has taken over the engineering workflow, with all team members using it to generate code, tests, and reports. The engineer expresses concern that this has led to a lack of understanding and oversight, with team members working long hours just to keep up with the demands of shipping code.

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Published each weekday morning from a deliberately weighted mix of official model-maker blogs, independent reporting, research, and practitioner voices.

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Publisher’s note

Why I made The Brief

Matthew Williamson

Keeping up with AI had started to feel like another way of losing the plot. Every morning brought more launches, claims, reactions, and manufactured urgency, but very little help deciding what mattered.

I made The Brief to correct for that: a short weekday reading of consequential developments, grounded in primary sources and clearly attributed reporting. It covers the things worth carrying into the day, not everything that happened.

From Matthew · Human authored

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