Dactyl automates iOS engine dev using fleet of agents & pixel diffing
alexisgallagher · x · 2026-08-29
Dactyl reveals its inner workings: engine development is highly automated using a fleet of agents. These agents use Apple SDK artifacts to build an API reference, render scenes in a booted iOS simulator, and diff the engine's output against a ground truth pixel by pixel. When a new iOS ships, the system re-renders the source of truth against the new simulator to ensure compatibility.
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