where there performance improvements for macos
Asked on 06/11/2025
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Yes, there were significant performance improvements for macOS discussed at WWDC. Specifically, in the session titled "What’s new in SwiftUI," it was highlighted that lists on macOS with over 100,000 items now load six times faster and update up to 16 times faster. Larger lists see even bigger performance gains, which improves the user experience significantly (What’s new in SwiftUI).
Additionally, the "Platforms State of the Union" session mentioned that SwiftUI brings idle prefetch to the Mac for the first time, providing a huge boost in performance. This technique helps reduce the chance of dropping a frame while scrolling, making apps feel faster and more responsive (Platforms State of the Union).
These improvements are part of a broader effort to enhance the performance and capabilities of apps across all Apple platforms, leveraging the power of Apple Silicon.
What’s new in SwiftUI
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Platforms State of the Union
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