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Morning Edition · Monday, September 28, 2026Published at 2:48 AM EDT · New York
Rails Creator Says His Team Stopped Writing Code by Hand, and Anthropic Stops Cutting Agents Off Mid-Task
David Heinemeier Hansson told Rails World 2026 he has not hand-written a line since March and shipped 150,000 lines of production code in August, while Claude Code now finishes a task at a logical stopping point when the five-hour session limit hits.
David Heinemeier Hansson, creator of Ruby on Rails and co-founder of 37signals, used his Rails World 2026 keynote to say he has stopped writing code by hand after 25 years, as reported by The Decoder. He dates his last hand-written line to…
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Part of a tracked trend
Frontier Labs Race on AI Coding Capability
Coding is becoming a primary competitive battleground among frontier labs, with incumbents standing up permanent coding teams and investing in new training stages (e.g. midtraining) to match leaders like Anthropic; expect recurring reorganizations, benchmarks, and model releases aimed specifically at code.
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