Xcode 13.2.1 Release was released on 17 Dec 2021 and requires macOS 11.3+.
It can be downloaded from https://download.developer.apple.com/Developer_Tools/Xcode_13.2.1/Xcode_13.2.1.xip.
Release notes are located at https://developer.apple.com/documentation/xcode-release-notes/xcode-13_2_1-release-notes.
The SDKs it contains are:
- iOS 15.2 (Build 19C51)
- macOS 12.1 (Build 21C46)
- tvOS 15.2 (Build 19K50)
- watchOS 8.3 (Build 19S51)
The compilers it contains are:
- clang 13.0.0 (Build 1300.0.29.30)
- swift 5.5.2 (Build 1300.0.47.5)