Launchpad has been dropped in macOS Tahoe and it is either greatly missed, or dismissed with a shrug. If you're the former, there are things you can do to get it (mostly) back. Just in case you either ...

Drag and swipe to return to full screen—or stop it from coming back Drag the divider to the left or right to easily get out of split screen. Hide floating apps by converting them to split screen and ...

Drag the divider to the left or right to easily get out of split screen. Hide floating apps by converting them to split screen and dragging the divider left or right. Completely disable split screen ...