Apple、デベロッパー向けに、iOS 17.0 Beta 3 (21A5277h)、iPadOS 17.0 Beta 3 (21A5277h)、watchOS 10.0 Beta 3 (21R5305e)、tvOS 17.0 Beta 3 (21J5303f)、macOS Sonoma 14.0 Beta 3 (23A5286g)を配布開始
https://developer.apple.com/news/releases/