How do you know this? Why would they leave the servers up for 10 days, take them down then bring them up again unless something was going to happen?
... It's something called... maintenance? They need more than just a minute or two to copy out all the save data to begin the exporting process... The lore and such that's been released is just setting the stage for 2.0- it doesn't imply a patch or something happening. I'm not holding my breath.