Google is constantly listening to teachers and updating Classroom to better meet the needs of many. You do have to remember that this is a free and lightweight service so you should not be expecting full LMS features but this is a great tool to use to help organize and streamline many things. It is still a great tool for distributing resources and assignments as well as carrying out conversations.
Google created a blog post to describe the updates at http://googleforeducation.blogspot.com/2014/10/improving-google-classroom-for-students.html.
The updates include;
1. Invite students using Google Groups
2. Mark assignments as done (student end)
3. Commenting Controls
4. Export All grades
5. Sort students by last name or first name
Either read the blog post above or watch the video below to see these new updates.
Donovanscience 
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