Xcode 15.1 Beta 3 was released on 14 Nov 2023 and requires macOS 13.5+.
It can be downloaded from https://download.developer.apple.com/Developer_Tools/Xcode_15.1_beta_3/Xcode_15.1_beta_3.xip.
Release notes are located at https://developer.apple.com/documentation/xcode-release-notes/xcode-15_1-release-notes.
The SDKs it contains are:
- iOS 17.2 (Build 21C5046b)
- macOS 14.2 (Build 23C5047d)
- tvOS 17.2 (Build 21K5348e)
- watchOS 10.2 (Build 21S5349d)
- visionOS 1.0 (Build 21N5295a)
The compilers it contains are:
- clang 15.0.0 (Build 1500.1.0.2.5)
- swift 5.9.2 (Build 5.9.2.2.56)