with the ammount of people that drop from multiplayer games i feel it is really needed to be able to join an already existing game and be able to take over an AI spot from where someone has left. i know its possible because in civ4 you can do that.
just to be clear i mean.
player A drops > AI takes over > player X joins and controls player A's planets and fleets.
i understand it would mean rewriting how the lobby works and probably a fair bit of coding but the save games arent that huge and with people on fast connections these days when someone trys to join the game could pause and save then the joining player could load the game world and play would resume as normal.
when your playing with random people which is by far the most common scenario if someone crashes you dont know the game bombed to desktop and when one person disapears from the game often others will follow becuase it was a 2v2 or 3v3 and they dont want to play a game where there destined to lose now.
even the FFA games always end up with teams