The only certainty is that it will be out by the last week of January 2014 in order to facilitate 11 month (+7 day) reservations for January 1, 2015.
For several years they were coming out at the last possible moment. Last year they came out about a month early--right near the end of December.
It may depend on whether or not there are adjustments (reallocations) in the 2015 charts. The years with radical changes are when
DVC waited until the last moment to drop the charts.