After the fourth beta, Apple has now released the Release Candidate versions of iOS 15.2 and iPadOS 15.2 for testing purposes. The company also released the candidate version of watchOS 8.3 and macOS 12.1.
You can download iOS 15.2, iPadOS 15.2, and watchOS 8.3 through the Apple Developer Center or over the air. Check what’s new in the latest release:
iOS 15.2 and iPad 15.2 RC release note
watchOS 8.3 RC release note
macOS 12.1 RC release note