It is playable as far as I know. I have tested it.
Some bugs might appear though. The game is beginning to grow quite large and I'm beginning to lose track of everything.
Some more quests, places to go.
Attack a fortified city, enter the forest of fairys and attack the...
If you are in a place where the seasons change, you could have the same set of map, but with different visuals.
For instance, a village on the edge of a northern forest could have a snowfall at the end of Autumn.