We know that open world is wanted by many players, but it is a completely different system so during the beta there is no chance to think about it. Perhaps somewhere in the future.
For quests I think there was an answer in one of the devs posts When I remember right some little quests will be added later.
Well what you could do is for open world when game is released start a beta off for that for people to test and see how it progresses
you guys add more ship in this game? example: Cruiser,battleship,dreadnaught,carrier ? more tier system (Tier 10-15) maybe Titan class ship why not? like Eve online.