-They moved the Healing/Mana injectors to the gloves.
-The Grounded Plasma Shield has been moved to the belt.
-The Grounded Plasma Shield (belt) shares a cooldown with Nitroboosts (boots)
-Nitroboosts are backfiring A LOT now making them pretty worthless in a raid setting.
-Most of the new Engineering recipes are learned via Discovery like alchemy
-The Cogs/Pumps for the goggles are rep rewards from the Dragonmaw/Wildhammer.