Apple、デベロッパー向けにXcode 15.1 beta 2 (15C5042i)、iOS 17.2 beta (21C5029g)、iPadOS 17.2 beta (21C5029g)、macOS 14.2 beta (23C5030f)、watchOS 10.2 beta (21S6331f)、tvOS 17.2 beta (21K5330g)配布開始
https://developer.apple.com/news/releases/