Fixed the new Item Manager code for all difficulty variants.
-Thanks goes to Grimy

New Tech that will upgrade Alien Hunter and SPARK weapons that was previously missing / removed.

Cannons damage have been increased by 1.
SMG Mobility bonus reduced by 1 to 1.
Shotgun aim penalty removed.

Code rewritten to help reduce possibility of bugs.

City Centre missions now have extra flavour text in the mission description on the skyranger.

MEC Sentinel now only summons 1 set of reinforcements a turn but it is now 4 more advanced troops than standard reinforcements.

Added Legendary modifiers for all techs and schematics, for the masochists.

Schematic costs have been re-balanced, elerium costs are down, alloy costs are up.

Pistols now obey a unique range policy that grants them the best values from both short and medium range modifiers.

Short Range has been tweaked to provide more extreme values at melee and long distance firing.

MEC Corpse Alien Alloy drop rate has been drastically reduced.

Fixed an issue with Long War Toolbox conflicting with new weapons. Thanks go to DabHand for the fix.

Fixed an issue with negative AIM values not displaying on the loadout UI on the weapons, they were only displaying on the soldier.

Grenades are now much more specialised in how they deal damage.

Frag Grenades damage is inconsistent and can shred armor but does not pierce armor.
Gas Grenades pierce through armor inflicting limited poison damage and poisons enemies.
Fire Grenades set fire to enemies but deal significantly less damage if they have armor.
Acid Grenades shreds substantial amount of armor but cannot penetrate armor also leaves targets more susceptible to future attacks.

Pyro Troops reduced HP by 2 on all difficulties on all variants.
Toxic Troops reduced HP by 2 on all difficulties on all variants.
Now they will have the same HP as standard troopers.

Removed Damage bonus for Toxic troopswith a chance of inflicting Fire or Poison.

A.P. Rounds renamed to Penetrator Rounds

Added more starting utility items:

Heavy Nanoscale Vests - Nanoscale Vests with +1 Armor -1 Mobility
AP Rounds - +2 Armor Piercing -1 Damage
Hollow-Point Rounds - +1 Damage -2 Armor Piercing
Grapple Gun - Allows you to Grapple up buildings on any armor.

Officer Reinforcements:
Reduced to 2 basic Advent Troopers

Removed the Commander and MEC Titan reinforcements on City Centre missions.

Fixed the bug which allowed Riot Troops to spawn on Guerilla missions. They should only spawn on City Centre missions.

Riot Troopers when they have discovered XCOM Operatives now summon a MEC Sentinel.

New Enemy: MEC Sentinel

Tough as a Sectopod, Lethal as an Advent Officer, Summons 2 squads of reinforcements every turn.

(The first reinforcements from the Sentinel should theoretically be attacking on the 5th enemy turn after concealment is broken. 6 soldiers on the 5th, 12 on the 6th 18 on the 7th etc..)

Added Weapon Upgrade Models and Images for all weapons except Alloy

Added Plasma Projectiles to Plasma Weapons
Added Beam and Gauss projectiles to relevant DMR and SAW.
Fixed Bug in which Advent Troopers lost their Diffuse Textures

Added Text to All Weapon Techs at Selection.
Added Text to All Weapons at Construction.
Russian Translation by TypnogeJI

Rebalanced Mobility Penalties (-2 is max penalty, -1 is medium penalty)
Kevlar Armor Mobility Increased by 1 for all variants.
Utility Slot Vests Mobility Increased by 1 for most variants.
Heavy Cannon Mobility penalty is now -2 instead of -3
Fixed UI bug for Heavy Cannon Mobility.

Added limited support for Grimy’s Loot Mod allowing Spectrum weapons and armor to be in lockboxes.