Ruby on Rails creator has a warning for ‘cantankerous’ coders: Learn some people skills0

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• November 2, 2026

Don’t be cantankerous. David Heinemeier Hansson has some advice for engineers as they adjust to AI. Often referred to as DHH, Hansson created the webapp framework Ruby on Rails and has fashioned himself into a software sage. On Monday, Hansson shared his prediction on X: “The age of agents is going to be amazing for