Xcode 15.0 Beta 6 was released on 8 Aug 2023 and requires macOS 13.4+.
It can be downloaded from https://download.developer.apple.com/Developer_Tools/Xcode_15_beta_6/Xcode_15_beta_6.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 21A5303c)
- macOS 14.0 (Build 23A5312c)
- tvOS 17.0 (Build 21J5330e)
- watchOS 10.0 (Build 21R5332e)
- visionOS 1.0 (Build 21N5207h)
The compilers it contains are:
- clang 15.0.0 (Build 1500.0.40.1)
- swift 5.9 (Build 5.9.0.128.2)