Submit your comment for Picture-in-Picture Extension (by Google)
Recent Picture-in-Picture Extension Reviews
I don't like it because I have to do many clicks to get picture in picture, before the icon was in the player, now it's hidden...
lazy, even mozila made a picture in picture better, make suport to full screen and integrate a overlay in video..
More details about Picture-in-Picture Extension (by Google)
"Picture-in-Picture (PiP) allows you to watch videos in a floating window (always on top of other windows) so you can keep an eye on what you're watching while interacting with other sites, or applications. Keyboard shortcut: Alt + P ( + P on macOS)