Android 12 is the twelfth major release and 19th version of Android, the mobile operating system developed by the Open Handset Alliance led by Google. The first beta was released on May 18, 2021. Android 12 was released publicly on October 4, 2021, through Android Open Source Project (AOSP) and was released to supported Google Pixel devices on October 19, 2021. Android 12 is the most popular Android version on smartphones at 30.03%. The first phones to have Android 12 were the Google Pixel 6 and the Pixel 6 Pro.