https://www.posersoftware.com/article/428/why-you-should-update-to-poser-112-on-sept-19?fbclid=IwAR22WbIbUHZuReIJYxdO2fRslBG_sq1UisMxqE_59e6acw5_GMcuxQqUh8w

Please read that article, it should answer most of your questions. It is as official as it gets, and the team was getting out information on a regular basis while early adopters were testing in the form of articles on that site and also linking on the Rendo facebook.