Xcode 15.0 Beta 4 was released on 11 Jul 2023 and requires macOS 13.4+.
It can be downloaded from https://download.developer.apple.com/Developer_Tools/Xcode_15_beta_4/Xcode_15_beta_4.xip.
Release notes are located at https://developer.apple.com/documentation/xcode-release-notes/xcode-15-release-notes.
The SDKs it contains are:
- iOS 17.0 (Build 21A5277g)
- macOS 14.0 (Build 23A5286f)
- tvOS 17.0 (Build 21J5303f)
- watchOS 10.0 (Build 21R5305e)
- visionOS 1.0 (Build 21N5165f)
The compilers it contains are:
- clang 15.0.0 (Build 1500.0.34.3)
- swift 5.9 (Build 5.9.0.120.7)