Apple、デベロッパ向けに、iOS 17.5 RC (21F79)、iPadOS 17.5 RC (21F79)、watchOS 10.5 RC (21T575)、tvOS 17.5 RC (21L569)、visionOS 1.2 beta 5 (21O5587a)配布開始
https://developer.apple.com/jp/news/releases/