Appleがデベロッパー向けにiOS 18.3 beta 2 (22D5040d)、iPadOS 18.3 beta 2 (22D5040d)、macOS 15.3 beta 2 (24D5040f)、tvOS 18.3 beta 2 (22K5540e)、visionOS 2.3 beta 2 (22N5881d)、watchOS 11.3 beta 2 (22S5540e)を配布開始
https://developer.apple.com/news/releases/