So this was supposed to be a pretty big patch for engineers, the following are all the changes that were implemented. Feel free to post your thoughts!
Elixir X: This skill now only requires one cast to transform the user.
Toss Elixir R: This skillís recharge is increased from 85 seconds to 120 seconds.
Elixir S: This skill is now improved by the Alchemy trait Fast-Acting Elixirs.
Box of Nails: This skill now shows its proper area of effect.
Gear Shield: This skill now blocks for an extra second.
Magnet: This skillís range has been doubled.
The projectile speed of all grenades has been increased by 10-15%.
Grenade: This skillís damage has been decreased by 10% in PvP only.
Shrapnel Grenade: This skillís damage has been decreased by 15% in PvP only.
Freeze Grenade: This skillís damage has been decreased by 10% in PvP only.
Grenade Barrage: This skillís damage has been decreased by 10% in PvP only. It also now works correctly with the Explosives trait Grenadier while underwater.
Smoke Screen: This skillís graphic has been updated to show the area of the screen. It now pulses every 2 seconds for 6 seconds instead of every second for 5 seconds. This makes it more effective against enemies using attacks at normal speeds but prevents it from being abused to shut down quick-attacking enemies completely.
Automatic Fire: Increased the duration of this skillís Overcharge by 100% on Harpoon Turret and 25% on Rifle Turret.
Electrified Net: Increased the velocity of the Electrified Net by 100%.
Thump: Increased the damage of the Overcharged attack by 25%.
Bomb Kit, Med Kit, Tool Kit, and Elixir Gun: These skills can now be equipped in the air.
All kits can be stowed in the air now.
Toss Elixir C: This skillís cooldown will be set from 60 seconds to 30 seconds when underwater.
Elixir Gunís Fumigate: This skill will now be cancelled when using other skills on the weapon to improve responsiveness.
Rocket Turret: This turret can now be detonated underwater.
Power Wrench: This trait now applies to Gear Shield and Magnet.
Incendiary Powder: This trait now states that it can only trigger once every 3 seconds.
Elixir U and Elixir C: These skills have had outdated skill facts removed.
Potent Elixirs: This skill no longer grants improper boon durations.
Elixir B: This skill grants fury, retaliation, and swiftness for 10 seconds base, with might being applied for 30 seconds base.
Smoke Bomb: This skillís radius has been reduced to 180 from 240 when traited. Smoke Bomb is now active for 4 seconds, pulsing every 2. This change also affects the Autodefense Bomb Dispenser trait.
Homing Torpedo: This skill is now a small projectile combo finisher.
Retreating Grapple: This skill is now a projectile combo finisher.
Timed Charge: This skill is now a projectile combo finisher.
Net Wall: This skill is now a projectile combo finisher.
Harpoon Turret: This turret will now spawn at the engineer when the Deployable Turrets trait is equipped.