Could you pick this commit?
I used it on my Moto E and it was such a feature.
Aaaand as you can see in the commit, it can be enabled and disabled in Settings > Gestures....
i cant update. any try Last version?
I dirt flashed it to only update and it is working fine.
To restore the stock recovery: http://en.miui.com/thread-114090-1-1.html
nice try by alpha team, took so many resources to make one of the awesome Roms.. nice work..
Connect your phone in back usb port