Hey guys Be calm , something good will only come. Here is the latest reply from Microsoft Team:
"“WhatsApp chose to unpublish their app from the Windows Phone Store after discovering an issue with how notifications are being handled on Windows Phone 8, Update 3. We are working closely with WhatsApp to resolve the issue quickly. Thank you for your patience and sorry for the inconvenience”.
Source: Microsoft
-Thanks
Moderator's note: We amended the subject as the post was merged to the appropriate thread.