Apple、デベロッパー向けにXcode 26 RC (17A321)、iOS 26 RC (23A340)、iPadOS 26 RC (23A340)、macOS 26 RC (25A353)、macOS 15.7 RC 6 (24G222)、macOS 14.8 RC 6 (23J21)、tvOS 26 RC (23J352)、visionOS 26 RC (23M336)、watchOS 26 RC (23R351)、iOS 18.7 RC (22H20)、iPadOS 18.7 RC (22H20)、iOS 16.7.12 RC (20H364)、iPadOS 16.7.12 RC (20H364)、iOS 15.8.5 RC (19H394)、iPadOS 15.8.5 RC (19H394)、HomePod Software 26 RC (23J352)を配布開始
https://developer.apple.com/news/releases/