I'm sure, they wont nerv it again.
Here are some of the 3.1 changes for engineering so far:

[list][*]Engineering
  • Added a new Reticulated Armor Webbing engineering enchant that increases the armor on plate gloves.
  • Added a new Springy Arachnoweave engineering enchant that grants passive spell power in addition to turning your cloak into a parachute.
  • Flexweave Underlay now grants passive agility in addition to its normal effect.
  • Nitro Boosts now grant passive critical strike rating in addition to their speed boost.


    The list may not be conclusive and is subject to change over the course of the public testing process.