Playtest started in August 2018 with some early demonstrations at UK Games Expo. Pathfinder second edition launches August 2019. The Playtest is now in full swing with a schedule of adventures to test the game at all levels. Have your say by playing and then taking part in the surveys.
You can playtest the next edition of Pathfinder by playing Doomsday Dawn. Paizo are using surveys to collect your thoughts, so taking part in the playtest is very easy. Player feedback has already had a profound effect on plans for the game. The links to Surveys are all on this webpage.