These are really good documents from Apple if you want to know the new features being added to the upcoming versions of IOS, iPadOS, and macOS Sonoma. They’re detailed lists that are worth reading if you’re an Apple user or are just curious to know what Apple added to their upcoming releases.
https://www.apple.com/ios/ios-17/pdf/iOS_All_New_Features.pdf
https://www.apple.com/ipados/ipados-17/pdf/iPadOS_All_New_Features.pdf
https://www.apple.com/macos/sonoma-preview/pdf/macOS_All_New_Features.PDF