Android 8.0 Oreo, released in August 2017, is the eighth major version of the Android operating system by Google. It brought several notable features and improvements, including Picture-in-Picture (PiP) mode for multitasking, notification channels and dots for better notification management, adaptive icons supporting dynamic shapes, and an Autofill API for password managers. Oreo also introduced background limits to enhance battery life and device performance, as well as Project Treble for easier and faster system updates. Security enhancements like Google Play Protect and Bluetooth audio codec support further contributed to the overall user experience. Oreo aimed at providing a more efficient, secure, and user-friendly Android environment.