Apple、デベロッパー向けに macOS Big Sur 11.5 beta 2 (20G5033c)、iOS 14.7 beta 2 (18G5033e)、iPadOS 14.7 beta 2 (18G5033e)、watchOS 7.6 beta 2 (18U5533b)、tvOS 14.7 beta 2 (18M5533c) 配布開始
https://developer.apple.com/jp/news/releases/