Beginning May 5, U.S. Citizenship and Immigration Services (USCIS) will accept only the current edition of Form N-400, Application for Naturalization, dated 9/13/2013. USCIS will reject and return all naturalization applications using previous versions of Form N-400 after Sunday, May 4, 2014. You can find the edition date at the bottom of any Form N-400 page.

U.S. Citizenship and Immigration Services (USCIS) has several new resources for citizenship instructors, volunteers, and program administrators in the Citizenship Resource Center.
I had my interview at the Dallas DO today May 14th. It went very well. I was very nervous about my extensive travel over the past 5 years. I had some 800 odd days of travel that included trips to a lot of countries in the world. But none of my trips was over 6 months, the maximum trip length was 110 days. I was working for a US company as a contractor and did have a letter from the company for the reason for the numerous visits.
On April 1, 2014, U.S. Citizenship and Immigration Services (USCIS) began accepting applications for a competitive grant funding opportunity to promote immigrant civic integration and prepare permanent residents for citizenship. USCIS will offer up to $10 million in competitive funding for citizenship preparation programs in communities across the country.