Due to backlogs it appears that ARO is moving to start issuing waivers for first time and renewals to five years! Thought everyone would want to know, so I'm posting some references from US immigration lawyers sites.
http://www.ditranilaw.com/2016/07/30/
http://friedman.legal/2016/07/27/i-192-waiver-times-going-up-to-five-years/
http://www.eichorn-law.com/2016/08/08/customs-border-protection-issue-waivers-good-five-years/