Apple seeded Release Candidates for iOS 15.1, iPadOS 15.1 to developers on Monday, adding the long-awaited SharePlay feature. The release candidates for watchOS 8.1 and tvOS 15.1 were also seeded. This means the beta testing process for all of these is almost over.
In addition, developers also got access to the macOS Monterey Release Candidate. Apple promised to introduce the final version to Mac users on October 25.