Xcode 16.0 RC 1 was released on 9 Sep 2024 and requires macOS 14.5+.
It can be downloaded from https://download.developer.apple.com/Developer_Tools/Xcode_16_Release_Candidate/Xcode_16_Release_Candidate.xip.
Release notes are located at https://developer.apple.com/documentation/xcode-release-notes/xcode-16-release-notes.
The SDKs it contains are:
- iOS 18.0 (Build 22A348)
- macOS 15.0 (Build 24A330)
- tvOS 18.0 (Build 22J355)
- watchOS 11.0 (Build 22R349)
- visionOS 2.0 (Build 22N316)
The compilers it contains are:
- clang 16.0.0 (Build 1600.0.26.3)
- swift 6.0 (Build 6.0.0.9.10)