Whats app got updated with minor and bug fix.

Whats app for windows phone got updated. With the latest version of the app is 2.12.70.0.
Brings the calling features and got minor bug fix.
You can update with the link given below:
http://www.windowsphone.com/en-us/store/app/whatsapp/218a0ebb-1585-4c7e-a9ec-054cf4569a79