Computed properties in SwiftUI views can silently degrade rendering performance after onboarding when they contain heavy computational work, as the degradation only manifests with real data sizes and scrolling; the solution is to move computational work to the model layer and cache results there to stabilize rendering performance.
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During onboarding, what kind of rendering issue have you seen that didn’t show up right away?Added:
They added a computed property in the view. Seemed clean. No warnings. The mistake was hidden heavy work inside it.
Rendering got slower over time. Only showed up with real data size. Scrolling started to stutter days later. What fixed it was moving work out of the view. We cach results in the model layer. That stabilized rendering. more in the link in the caption.
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