Feenician
macrumors 603
But swiping across the bottom of the screen gets you to your previously used app. That’s faster than anything.
Not if you're many apps back, no. Really no faster than the 3d rich gesture either. It's almost like there trade-offs here. Crazy stuff.
iOS 11’s home button response time is slower than iOS 10. But only with iPhone 7s. If you have any other phone, you won’t notice it.