A Release Candidate (RC) build has been published for Apple iOS 15.1 before the official release on October 25th. It contains a feature that many are eagerly waiting for: The SharePlay functionality has been added. The update is 5.46 GB and will be distributed along with RC builds of macOS 12.0.1 Monterey, iPadOS 15.2, watchOS 8.1, and tvOS 15.1.
iOS 15.1 RC
SharePlay allows users to share content with friends using FaceTime and supported third-party apps. The latest build also features ProRes video recording on the iPhone 13 Pro and 13 Pro Max as well as support for COVID-19 vaccination records in the wallet app as well as bug fixes and optimizations.