Apple will release the final version of macOS Sonoma on September 26 and the released a detailed PDF of macOS Sonoma’s features.
After releasing several beta versions, Apple released the RC (Release Candidate) version for macOS Sonoma after the Wonderlust event on Tuesday 12.
In this even Apple introduced Apple Watch Series 9, iPhone 15, iPhone 15 Plus, iPhone Pro and iPhone 15 Pro Max Titanium along with Apple AirPods and AirPods Pro with USB Type-C.
You can find the detailed PDF file from: macOS Sonoma New Features
There is also a detailed PDF for iOS 17 features which can be downloaded from: iOS 17 New Features
So Apple will release iOS 17, iPadOS 17, watchOS 10, and tvOS 17 on September 18 and macOS Sonoma arrives on September 26.