iOS April30 (extended to June30) 2020 Requirements — iOS 13 SDK, All-Screen Design, Launch Storyboard, Swift3
问题 April2020 Update As of April/2/2020 and due to COVID-19 pandemic, Apple extended the deadline for the new guidelines that enforces iOS13 and Swift 4.x from April 30 to June 30 of 2020. This was announced on their developer website. Important Apple is deprecating Swift 3.x, codebases written in Swift 3.x must be updated to (at least) Swift 4.x. It is not possible to deploy to AppStore from a Swift 3.x project starting April 2020. See Edit #1 & Edit #2 for explanation. According to this update