Craftable scroll and skill book system to eliminate macroing
Single-alignment system
Champion Spawn and Unique Rare Mob mechanics
Monster respawn scaling
Protection for blues in NPC areas to avoid unintentional damage
User interface overhaul
Territory control of alignment
New player tutorial to teach basics of game
New mount sprinting mechanic
New racial skills and rebalancing
New Dungeon Quests for meditation point rewards
Gathering rates increased to encourage active harvesting
Overhaul of many crafting professions and new items
The ability to drop items on the ground
Clicking and holding mouse allows you to attack continuously
Gearing up and down is less tedious
New smart dragging and organizing options
New dynamically spawning mechanics and items
Player kills reward you with their head as an item

Czym się w ogóle różni jedno od drugiego? Nie licząc ilości ludzi.