Xcode 15.0 Beta 1 was released on 5 Jun 2023 and requires macOS 13.3+.
It can be downloaded from https://download.developer.apple.com/Developer_Tools/Xcode_15_beta/Xcode_15_beta.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 21A5248u)
- macOS 14.0 (Build 23A5257p)
- tvOS 17.0 (Build 21J5273p)
- watchOS 10.0 (Build 21R5275s)
The compilers it contains are:
- clang 15.0.0 (Build 1500.0.28.1.1)
- swift 5.9 (Build 5.9.0.114.6)