Gmail is getting a face lift today (Wednesday), according to the email application's Google+ account; the update brings a new cleaner design to the conversation view and with multiple message selection, you can take action on a large number of emails at one time. And to prevent a situation where you accidentally miss receiving an important email message...
Source: http://www.phonearena.com/news/Update-for-Gmail-rolling-out-to-Android-users-today_id47755
Source: http://www.phonearena.com/news/Update-for-Gmail-rolling-out-to-Android-users-today_id47755