1. Yes, and it is the reason why I don't want the devs to waste their time trying to scrap every current system in place and replace them... I just want improvements on what is already in play.

2. Not likely, or we would see more constant bug fixes.

3. no

4. yes

5. If you are talking about through the square enix support center, No i have not seen any of it, and I doubt anyone besides the Development team has...