As you may have noticed, the toggles themselves look slightly different: they are
now circular icons, shaded in when enabled.
Not exact matches
Yes, the Android Nougat 7.1 will support
circular icons; but no need to worry as it will still support the current
icon pack for some time
now.
Apps can
now define
circular launcher
icons, but they can be used only on devices that support them.
Notably, Google's
icon in the top left - hand corner appears to have a mystery function, and the launcher
icons are
now all
circular.
The search bar
now has rounded edges to help it fit in with the default
circular Adaptive
icons on your home screen.
Most of the
icons now have a
circular shape around them with the information below.
Update, 9/27: The first Pixel phone renders have
now leaked, showing
circular icons, redesigned soft keys and the Pixel Launcher in action.