Servlet 3.1 (JSR 340) is final and is part of Java EE 7. I and Rajiv had presented the session CON 4854, "What's New in JSR 340, Servlet 3.1?", on September 23 at JavaOne 2013, San Francisco. It was at 3:00pm. Most of the audiences are quite familiar with Servlet technology and we had a good Q&A during the talk. I have attached the pdf of the presentation so that it can shared with wider audiences.