Xcode 16 Release Notes, new features

Here are the New Features from the Xcode 16 release notes:

General

1. Predictive Code Completion is now supported on all Apple silicon Macs. It uses a machine learning model specifically trained for Swift and Apple SDKs. (116310768)

Build Settings

1. Copy and paste from the build settings editor now uses xcconfig file syntax. (14333348)
2. The Project Navigator’s “Open As” context menu now supports choosing default editors per file type. (24666459)

xcodebuild

1. xcodebuild supports importing and exporting a downloaded platform to disk. This allows simulator disk images to be exported and applied to other Xcode installations without redownloading. (129189162)

Reality Composer Pro

1. Timelines allow you to sequence actions to be executed in a particular order or time. (75589529)
2. VirtualEnvironmentProbeComponent enables control of the lighting of virtual environments. (117770245)
3. Extended texcoords from 2 to 8 buffers, allowing for more complex data types. (123364636)

Previews

1. New Preview Execution Engine supports shared build products between Build and Run and Previews for faster switching. (37353090)
2. @Previewable macro allows direct use of property wrappers like @State in Previews without needing an intermediate wrapper view. (110570957)

StoreKit

1. Privacy manifests can now be included as copied resources in StoreKit configurations for testing privacy policies and terms of service in SubscriptionStoreView. (114228169)

Swift

1. Swift now supports non-copyable C++ types when interacting with C++ code from Swift. (83358475)
2. ~Copyable modifier can now be used to suppress copyability on protocols and generic parameters. (101653009)
3. Typed throws allows functions to specify the exact type of error they throw. (125992062)

Test Plans

1. Test reports now support Swift Testing framework metadata and the ability to filter by test run status. (127015832)