The Hallway Track
Engineering Insights

Language features aren't collectibles

Apple Developer (WWDC) · Jun 11, 2026 · Engineering Insights

Developers shouldn't chase every Swift language feature; focus on the problem you're actually solving.

“language features aren't collectibles. You don't get a prize if you've got one of all of them.”

An Apple Developer (WWDC) conversation argues against over-engineering by chasing advanced Swift performance features when they aren't needed, advising developers to focus on the actual problem and spend time on bug fixes or new features once adequate performance is reached. This is general software engineering advice with no meaningful AI industry signal.

swift developer-productivity performance-optimization wwdc

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