Android 8.0 Oreo is a version of the Android operating system released by Google in August 2017. It introduced several new features, including improved performance, enhanced battery life, and a more efficient notification system. Users can now see notifications grouped by app and manage them more easily. Another significant addition in Oreo is the Picture-in-Picture mode, allowing users to watch videos while using other apps. It also includes support for autofill in apps, making it easier to enter passwords and personal information. Overall, Android 8.0 Oreo aimed to enhance user experience and device functionality.