The new multitasking view lets you prevent apps from automatically closing in the background by dragging down on their card. (pocketnow.com)
So swiping up didn't so much take you home as it took you to the card multitasking view. (theverge.com)
In the remaining space, you get the good old multitasking view of your open apps, where you can either pick one or hit the home button to launch something else. (theverge.com)