Apple’s use of Swift and SwiftUI in iOS 14
Swift was introduced a couple of years ago at Apple's 2014 WWDC. Over the years I analyzed iOS to measure how many built-in applications were using Swift. iOS 9 released in 2015 included a single application written with Swift: Calculator.
from Pocket https://blog.timac.org/2020/0927-state-of-swift-ios14/
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