Rules are to follow those in the Pathfinder Core Rulebook. Otherwise, I don’t know yet. Maybe the +10/-10 thing.
Action points are to be given as roleplaying awards, as opposed to automatically on levelling up.
Action points are to follow the rules listed in Unearthed Arcana 3.5 as described here.
Instead of dying at -10 hp, characters will die when their hit points drop to the negative of their Constitution score.