What’s New in Cocoa Touch

WWCD 2018

Performance

Automatic Backing Store

Auto Layout

Nesting

Types (ex. UIApplicationState.active → UIApplication.State.active)
Constants (ex. UIFloatRangeZero → UIFloatRange.zero)
Functions (ex. UIImagePNGRepresentation(image) → image.pngData()

Notifications

Messages

Siri Shortcuts

eligibleForPrediction = true