—used postpositively to describe a new and improved version or example of something or someone
… data previously collected by the planet-hunting telescope are turning up a trove of strange and wonderful worlds, bringing researchers closer, they hope, to finding "Earth 2.0."—Amina Khan, Los Angeles Times, 27 Feb. 2014
Everyone agrees that the new [Doug] Bruce is no longer the arrogant overachiever he used to be. He's Doug 2.0, shaggier and nicer …—Ty Burr, Boston Globe, 24 Mar. 2006