iOS 7 brings major improvements to multitasking on the iPad and iOS devices. For starters, it offers ‘real’ multitasking for all apps for the first time on iOS, not just for a very small, specific set of services.
It’s also said to be a very intelligent brand of multitasking, as per this little intro of it on Apple’s iOS 7 features page:
Multitasking has always been a smart way to switch between apps. Now it’s even smarter. Because iOS 7 learns when you like to use your apps and can update your content before you launch them. So if you tend to check your favorite social app at 9:00 a.m. every day, your feed will be ready and waiting for you. That’s multitasking in iOS 7. It knows what you want to do before you do.
Another little new feature with iOS 7 multitasking, at least in the current beta 5 of iOS 7, is the ability to quit multiple apps at once via the multitasking bar. You can use a three or four finger swipe up to close up to three apps at once. I imagine the three finger swipe works well on an iPhone or even an iPad mini. On my iPad 3 I needed to use four fingers to be able to quit / close three apps at once; with three fingers I could only manage two apps at a time. Those with larger hands, your mileage may vary of course.
Hopefully this feature will remain in the final iOS 7 public release this fall.