There's so many little oddities and misshapes that a remaster pass through the AP would really fix up and elevate SoG even further, and would also give a chance for any other minor fine tuning and clarifications, like maybe being able to lean more on the TXCG and LOTX:WG content.
Any re-release probably would come too late for my currently ongoing campaign, but I would love to see it for anyone yet to experience the joy of Season of Ghosts.