Major:
New Area, "Abandoned City"
Two Contracts and an intro spanning 16k words.
Four Sex Scenes.
Autosave Removed
Adrenaline Mechanic: The longer a battle goes on, the more damage you'll eventually do. Early game enemies have been given slightly more health since this effect is stronger early.

Minor:
12 New Weapons. 3 New Blessings.
Small Improvements to Kesia's model.
New Dante Spell: "Stop", unlockable at the Skill Shop.
Lowered MP Cost of Triple Tipped Bolt, Raised MP Cost of Heavy and Net Bolts.
Raised the level suggestion of Monster Hunter and Yulia's Lament from 16 to 19.
Fixes:
You can no longer sleep with Dobbi before completing her quets.
Updated list of statues removed by Esuna and Remedy.
Differentiated Confuddle's status image from Confusion to avoid confusion.
Anubis can no longer be visited after Quiet Mountains.