Apple、デベロッパー向けにXcode 15.3 RC 2 (15E204a)、macOS 14.4 RC (23E214)、macOS 12.7.4 RC 5 (21H1123)、macOS 13.6.5 RC 5 (22G621)、tvOS 17.4 RC (21L227)、visionOS 1.1 RC (21O209)、watchOS 10.4 RC (21T216)を配布開始
https://developer.apple.com/news/releases/