From the iOS 15 and iPadOS 15 releases at Apple:

Apple today announced iOS 15, a major update with powerful features that enhance the iPhone experience. iOS 15 makes FaceTime calls more natural, introduces SharePlay for shared experiences, helps users focus and be in the moment with new ways to manage notifications, and brings more intelligence to photos and search to quickly access information. Apple Maps unveils beautiful new ways to explore the world, Weather is redesigned with full-screen maps and more graphical displays of data, Wallet adds support for home keys and ID cards, and browsing the internet with Safari is even simpler with a new tab bar design and Tab Groups. iOS 15 also includes new privacy controls in Siri, Mail, and more places across the system to further protect user information.

Apple today previewed iPadOS 15, with new features that take advantage of the unique capabilities of iPad, helping users be more productive and taking the versatility of iPad even further. iPadOS 15 introduces a multitasking experience that is even more intuitive, making features like Split View and Slide Over easier to discover, easier to use, and more powerful. Notes goes systemwide with Quick Note, and offers new ways to collaborate and organize whether typing or writing with Apple Pencil. New widget layouts for the Home Screen and App Library offer simple ways to personalize the iPad experience and organize apps. Translate delivers new features for translating text and conversations, and users can now build apps for iPhone and iPad, on iPad, with Swift Playgrounds. iPadOS 15 also includes new privacy controls in Siri, Mail, and more places across the system to further protect user information.

If there was a theme today in the unveiling of iOS and iPadOS it would have to be privacy, focus, communication, and productivity. Those are the things that really stood out to me as I watched the keynote and they are all throughout the features Apple unveiled today.