The Google bar at the top of your BergApps window will soon be changing. Google has announced that a new version of the Google bar is coming for Google Apps users. The new bar is designed to be simpler and more consistent with Android and Chrome OS, and includes notifications and a new App Launcher with links to Google products.
For more information, see Google's official blog post about the change. The new Google bar will be rolling out to Google Apps users gradually over the coming days and weeks.