Bubbles was a standout feature for Android 11 when it launched last year. The bubbles are akin to Facebook Messenger’s Chat Heads and the dialer app takes this behavior when a user swipes out of the call screen. Notifications also appeared here and floated over the interface whenever a new notification came in for supported apps. With the latest Android 12 Beta build rolling out to Pixel devices this week, app develops have to finalize their apps’ compatibility. What looks to be changing permanently is the ongoing phone call behavior on Android 12. This was pointed out by Android Police on...
Source: https://www.gsmarena.com/android_12_beta_replaces_ongoing_call_bubble_with_chip-news-50513.php