In preparation for the release of the Chains of Promathia expansion later this month, Square Enix is pushing out a patch to all players, even those not purchasing Chains. A 5 hour server maintenance will precede the patch, from 1:00 - 6:00PM Eastern on Wednesday, September 8. Square Enix has stated that play will continue during the maintenance, but players may have difficulty logging on.
Read more about it here.
