signalLobsters2026-09-26
What About Rails?
In his Rails World 2026 keynote, DHH announced he has retired as a professional programmer, now relying on LLM code generation and writing 150k lines in August versus 30k per year previously. Ruby now makes up only 3% of his output, as he moves Hey from Rails to native applications with Rust. The talk contained little about Rails, narrowing its vision to 'web apps of necessity'.
- for who
- Rails developers and teams building ambitious products on Rails.
- what changes
- Rails is repositioned as a workaround for web apps of necessity, while DHH's new focus is LLM-generated native and Rust stacks.
- to do
- Reassess your Rails-centric approach in light of DHH's shift to LLM-generated code and Rust.
key points
- DHH wrote 150k lines in August, up from 30k per year, Ruby now 3% of work
- Hey is moving from Rails to native apps with Rust and LLM code generation
- DHH says humans reading code should be the exception, not the norm
#DHH#Rails#LLM code generation#Rust#programming trends
score
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