During a long period of maintainance today the July version update for Final Fantasy XI finally arrived.
The update adds a new region, new Notorious Monster Battlefields, new Job Traits and Abilities, and more, along with many tweaks and improvements. It can be downloaded now through the PlayOnline Viewer.
It should be noted that the update did not contain the popular Chocobo Raising ability nor the new Aht Urghan missions promised due to extended testing requirements, these will follow seperately in several weeks. Specific dates can be found in the patch notes linked below.
Full patch notes for the update can be found here.