Apple today rolled out the iOS 15.5 RC, macOS 12.4 RC and watchOS 8.6 RC update (build number: 19F77) to iPhone users. This update is 65 days after the last release.
iOS 15.5 RC
How to upgrade iOS/iPadOS/watchOS/macOS development/public beta?
Just download and install the [ description file ] to detect the development version/beta version upgrade in the system update. See below for the download method of the description file.
It should be noted that due to the cache configuration of Apple’s regional node servers, there may be a slight delay in the detection of the upgrade update in some places. Generally, it will not be too long within half an hour.
watchOS 8.6 RC
Apple today pushed the watchOS 8.6 RC update (build number: 19T572) to Apple Watch users. This update is 65 days after the last release.
macOS 12.4 RC
Apple also pushed the macOS 12.4 RC update (build number: 21F79) to Mac computer users. This update is 65 days after the last release.