Users curious about what's coming with iOS 17 and macOS Sonoma can get a long list of features directly from Apple in PDF form.
New features for iOS 17 include interactive widgets, StandBy mode, and new social upgrades like NameDrop and Contact Posters. macOS Sonoma gets access to iPhone widgets on the desktop, a new screensaver experience, and Game Mode.
Many features are shared across the ecosystem and aren't limited to iOS or macOS. These include Safari Profiles, video conferencing gestures, and locked private browsing mode.