Hi, I've somehow changed my settings so that when I hit the recent apps key I get multi-window / split screen, and my opens apps are displayed as a stack (see screenshot below). How can I get back to displaying apps as "pop ups" (ie overlapping rectangles)? I've heard that there's a setting called "pop up gesture" but I can't find it on my phone. Has it been discontinued? Please help me get back to the pop-up view, which was much, much better.
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