random variance when dealing damage? fixed.
single survivor ridiculously strong? fixed.
city bonus weak? not fixed.
The AI is mildly better for the average gamer. If you're a good strategic gamer, the AI is still too weak.
A lot of defects have been fixed.
Unfortunately, the game is still pretty bland if you were hoping for a rich gaming experience. Try some of the mods... The modding community has been very active.