Basically, the Home Screen of yout Messenger app will serve more than just a place where you can see all your conversations. At the top, you will still see the most recent sent and received messages. But underneath that, you will now see your favorite contacts, or the people you message the most. So that means if you want to start a new conversation with them, just tap them and a message window will appear. The contacts are displayed by name and with their profile picture.
You also get reminders for upcoming events that you're attending through facebbok events, and also upcoming birthdays of your friends. Then lastly, you also have a list of all your contacts that are curently online. You'll still have the other tabs on your Messages, like Calls, Groups, People and your Profile page.
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