Ionic 2 RC 1 Back button not working

I Just upgraded to RC1 and when i run the app on Android and press back-button the app is closed. It’s not going back to previous page. It was working until RC0.

I’m using Galaxy S5 with Android 6.0.1

$ ionic info

Your system information:

Cordova CLI: 6.1.1
Gulp version: CLI version 1.2.1
Gulp local:
Ionic Framework Version: 2.0.0-rc.1
Ionic CLI Version: 2.1.1
Ionic App Lib Version: 2.1.1
Ionic App Scripts Version: 0.0.36
ios-deploy version: 1.5.0
ios-sim version: 3.1.1
OS: Mac OS X Sierra
Node Version: v4.4.3
Xcode version: Xcode 8.0 Build version 8A218a