Gmail is the one of the most popular mail service for the public user, Google always looks for the innovation on their product. Now the google brings the new themes for the GMail ( as this is optional ), this has many great features over the last one.
The conversation panes now have more detailed information about posts and the users including profile pictures.
The screen now is easier to customize, by the way of how many message to show on screen according to our screen, and we can resize the chat screen.
New search features allows a more detailed and thorough search for content.
New filters can also be created from the same place.
Gmail now has a toolbar that only shows icons and will always be visible.