Android 12 has been pushed to the Android Open Source Project (AOSP), and will make its way to supported Pixel devices in the next few weeks. Devices from manufacturers such as Samsung, OnePlus, Oppo, Realme, Tecno, Vivo, and Xiaomi will receive the latest OS later this year. . One of the main themes of Android 12 is UI improvements.
Link: Android 12 final release code pushed to the Android Open Source Project