@Items:
@All:
Added additional stat rolls to all TL items that didnt have one
Added lore to some legendary items (just a few, including two templar sets with continuous lore across the items)
Sets have been changed so that the 4) bonus is made entirely optional, giving you more flexibility in your builds
Skull Mask: 
Now rolls flat damage as a guaranteed enchant and the power greater augments up to 20%, up from 14%
Weyrick's Crown:
Now greater augments to 6%, down from 8%, but also rolls a gem strength enchant
!Note on mechanic change!: The bonuses are now additive with Class Mastery bonuses, which are multiplicative with all other % bonuses to health, damage, and mana
Amulet of Despair:
Now greater augments up to 30%, up from 24%
Jotunhelm:
Now has a roll range and is augmentable up to 50% of HPR into damage (used to be no roll range and always 100%, which in hindsight was ridiculous)
Added new True Legendary items:
Heart of the Forest: 
Base cooldown of all skills reduced, but base mana cost increased
Lucilla's Vision: 
Overhealing from Health on Hit turns into damage, cap based on max health
@Runes:
Berserker:
Added new Rune: 
Warp Echo: Dragon Warp spawns an Echo which has X% chance to doublecast shout skills
Rage Jaw:
Renamed Rage Smash, item affix changed from Jawbreaking to Smashing
Warden:
New rune - Greater Storms: 
Tornado, Toxic Storm, Thunder Storm, Hail Storm all now increase their tick rate by x% of the Warden's attack speed. (Their damage per strike is kept so DPS increases)
Lesser Rune of Greater Hail:
Now affects both Hail and Pelted
@Templar:
Thundercharge Set:
3) Avenger now triggers on-hit effects on 3) instead of on 4)
4) Now only adds Damage Reduction
Thundering Army Set:
2) Double base health and damage is now on 2) instead of on 4)
4) Is now only the damage share mechanic
Wargod:
2) Burning Conviction now slows on 2) instead of on 4)
4) Is now only the damage share mechanic
@Berserker:
Cataclysm Set:
Now deals with "Stone Skills" rather than just 3 select skills (see Skill changes below for more info)
2) All Stone Skills deal 30% increased damage on 2) instead of a few select skills on 4)
4) Rock Ward is now activated by all Stone Skills
Bloodsoaked Set:
2) Now adds infinite stacking for Internal Hemorrhage on 2) instead of on 4)
4) Now only adds Damage Reduction
Spiritual Garb Set:
3) Now also increases the damage taken on hosts by 100% for each missing link
   Also places a stacking DoT effect on hosts
Skysoul Set:
3) Now increases Dragon Soul proc rate to 100% on 3) insetad of on 4)
4) Now only adds Damage Reduction
Dragonfire Set:
2) Destructive Manoeuvres strike 3 times when triggered on 2) instead of on 4)
4) Now only adds Damage Reduction
Volcanic Set:
2) Lava Blood now stacks infinitely on 2) instead of on 4)
4) Now only adds Damage Reduction
Northern Rage Set:
3) Frostbound now stacks infinitely by default
4) Now only adds Damage Reduction
Frostwyrm Set:
2) Frostbote now stacks infinitely on 2) instead of on 4)
4) Now only adds Damage Reduction
Face Breakers:
Now uses 50% of the damage of the skill used rather than 100%
@Warden:
Added new True Legendary item:
Gaia:
For each active companion, damage is increased by X%  
Added new Legendary items:
Loaded Bolts:
Double Draw now explodes on impact, dealing damage in a X meter radius
Call of the Wild: 
All companion skills that summon 2 or more companions summon X additonal companions
Thistle Thorn:
Increases attack speed of Nature skills
High Ranger Set:
2) Now also increases Double Draw proc rate to 100%
3) Now also increases Double Draw damage
4) Now only adds Damage Reduction
Windcaller Set:
3) Now spawns Whirlwinds in pairs on 3) instead of on 4)
4) Now only adds Damage Reduction
Shroomtender Set:
2) Now causes shrooms to chain react on 2) instead of on 4)
4) Now only adds Damage Reduction
Everspring Set:
2) Now also doubles proc rate of Bloom on 2) instead of on 4)
3) Now also makes all poison skills apply 3 stacks of Pods
4) Now only adds Damage Reduction
Stormcaller Set:
3) Now increases Lightning Rod and Static proc rates on 3) instead of on 4)
4) Now only adds Damage Reduction
Wispmother Set:
2) Changed effect: Lightning skills apply Wisp Spark to foes, increasing the damage they take from Wisps by 5% of the damage percentage of the used skill. Wisp Spark both lasts and stacks infinitely.
3) Spawns an additional 3 Wisps, and the Wisp's Chain Lightning attack is replaced with Thunder Orb, dealing increased damage to a concentrated location.
4) Now only adds Damage Reduction
Torrent Set:
3) Now restores 1% mana on 3) instead of on 4)
4) Now only adds Damage Reduction
Snowstorm Set:
3) Default range of Snow Ball is now 7 meters (up from 5, with 7 meters being the 4) bonus)
4) Now only adds Damage Reduction
Finned Arrow: 
No longer instance caps to 1 arrow
@Warlock:
Bloodbinder Set:
3) Living Bloods and Clots now apply the poison debuff on all their attacks
Burning Hells Set:
3) Now casts Demonic Fury on companions 3) instead of on 4). Demonic Fury now deals full damage from companions. If no companions, Flaming Hells applies 5 stacks per hit.
4) Now provides Damage Reduction to both the Warlock and his minions (reduced to 40%, down from 50%)
Old 3-part bonus removed (Demonic Fury causing Flaming Hells stacks and triggering Combustion)
Demonlord Set:
2) Hellpit teleports is now on 2) instead of on 4)
4) Is now only the damage share effect with demons
Desecrator Set:
2) Slowing bonus is now on 2) instead of on 4)
4) Is now only the heal/shield	
The Bone Spear:
Now shoots several Bone Spears in a cone. Augmenting increases the amount of spears
Desecrator set: 
Screaming Skull conversion no longer requires a LOS to the player to deal damage
@Interface:
Mastery Perks (rhombus single point skills) are now properly listed as Perks (updated localization too)
@Mechanics:
Auto-loot no longer flickers while on
Greatly increased the aggro range of all monsters
Changed how companion pathfinding works in an attempt to stop companions form getting stuck in hallways and attack the wrong targets. Companions are no longer considered obstacles and both companions and AI can path "through" them, though they are all still affected by collisions and will push eachother aside
Companion Use effect and Companion Aura effect has been merged into a single "Companion Passive & Use Effect" stat
@Monsters:
Greatly increased the aggro range of all monsters 
@Skills:
Warden and Warlock has had their Masteries reset because of the changes listed below (and a fix for an exploitable bug on Warlock)
@Templar:
Rolling Thunder: 
Now also grants skills with 1 second cooldown or less a chance to doublecast instead of a chance to reset the cooldown
Weapon Straps: 
Now also grants skills with 1 second cooldown or less a chance to doublecast
@Berserker:
Added a new Mastery which increases the damage transferred by Soul Link
The Chain Lightning effects of Arc Punch, Overload, and Lightning Fist will now hit the initial target before zapping a nearby target (so it works vs single targets)
Now has a new "Stone Skill" tag the following skills:
Jawbreaker, Stonefist, Earthshatter, Boulder, Rock Pound, Shattering Roar
Jawbreaker:
Renamed to Rock Smash
Soul Link:
Now only transfers 30% of damage taken at max rank (without masteries or related set)
Thunder Punch:
No longer causes knockback
Overload:
Improved animation by adding a nova effect
Is now considered a Nova skill
Thundering Roar:
Improved animation by adding some extra thunder strikes
Dragon Stomp: 
Cooldown removed
Fissures: 
New graphic and sound effect
Flamewrath: 
Cooldown reduced by 1 second
Is now considered a Nova skill
Glacial Roll: 
Now rolls to the target/cursor location, but never less than 3 meters, to give you more control over the ability
Frigid Roar:
Is now considered a Nova skill
@Warden:
Fierce Beasts (mastery): 
Removed mastery node as it has become obsolete with the companion use and companion aura merge
Added new skill: 
Vine Blast: No cooldown Nature skill that attacks in a cone, found with Vine Shot, Bramble Vine, and Bramble Storm
Preparation, Garderner, and Overcast:
Now also grants skills with 1 second cooldown or less a chance to doublecast
Archer: 
Now has 5 ranks (up from 3) taking the skill to 15% Archery damage at max rank, up from 10%
Naturalist:
Now has 5 ranks (up from 3) taking the skill to 15% Nature damage at max rank, up from 10%
Overgrowth: 
Now longer doubles Accelerated Growth
Toxic Storm: 
Visuals made less cluttered, and performance slightly increased
Guide: 
Now has 5 ranks (up from 3) taking the skill to 50% Companion Health, up from an uncomfortable 31%
Ferocity: 
Now increaess Companion Damage by 30%, down from 31%
Air Freeze: 
Now forms and fires the ice chunks more rapidly, and the ice chunks move at a higher pace
Shock Orb: 
Range increased by 2 meters and projectile speed doubled
Storm Orbs: 
Range increased by 1 meter and cone width (spread) doubled
Stormer: 
Increased base storm damage by 1%, making it 15% at max rank, up from 14%
Wisps:
Increased size of collision boxes (not hitboxes)
Thunder Shot: 
The thunder strikes no longer strike at the same time 
Static:
Now builds up charges (4 max) before it releases as a stronger effect. Lasts until 4 stacks/charges are met. 10% increased base proc rate (now goes to 100% with mastery and set) Overall DPS should be roughly the same, but performance a lot better.
@Warlock:
Bone Caster (Mastery): 
Now increases Bone skill damage by 25% per satellite, up from 5%
Grand Sorcerer (Mastery):
Is now called Lord Sorcerer
Living Blood:
Slightly increased attack range
Demonic Fury:
Now deals direct damage, triggering on-hit effects
Infernal Demon:
Shrunk the bounding box so they can move around easier
@Performance:
Improved performance of some spiraling effects such as Screaming Skulls
Improved performance and hit detection of most projectiles
@Fixes:
Fixed a few co-op related crashes
Fixed the right stick not working on gamepads in the inventory menus
Fixed Double Draw going through walls
Fixed Death Lord mastery (Warlock) not being unlearnt when drinking Elixir of Mastery
Fixed Wolfpack's (Warden) "use" effect not dealing the correct amount of damage and not triggering related effects
Fixed Toxic Storm's (Warden) visual creating a rectangle area instead of an intended circle
Fixed crash related to Accelerated Growth (Warden) passive
Fixed issue which allowed proccing Double Draw, Overdraw, Static, and Lightning Rod without having any points in the skill by picking the mastery proc rate for it
Fixed Nimbus (Warden) not being limited in instances
Fixed the Poison Trees Rune (Warden) working even if Treants had no thorns stat, causing them to create Shrooms dealing 0 damage (Rune now requires the Thorny passive to function)
Fixed Spirit Link not properly linking with 6 targets when wearing the Spirit set
Fixed issue where some damage calcuations wouldn't happen in the correct order, so conditional damage buffs (such as for example extra damage vs a bleeding or slowed foe) wouldn't be properly considered for passive procs in most cases
Fixed Frost Winds (Berserker) instance limitation also being limited by the Twisters enchant
Fixed Glacial Roll (Berserker) dropping icicles every 2 meters instead of the 1.5 as listed in the tooltip
Fixed some "infinitely stacking" effects having a somewhat reachable max stack (9999 stacks)
Fixed issue where you would get duplicate Runes across multiple sessions before you had seen all runes
Fixed Entity's Eccentricity not working 
Fixed Illumine power/rune using the old name (hallowed blade)
Fixed Burning Hells Set adding .4 seconds to the duration of Flaming Hells
Fixed some general grammar errors and skill description inconsistencies
Fixed bad text formatting on socketed gems in the socketing vendor interface
Fixed some gems listing proc rates over 100% with high enough gem strength
Fixed font kerning issue where "..." came out as "__"
Fixed the "Swap" button on the rightmost column of mastery nodes being partially cut off
Fixed quest log text highlighting being incorrect
Fixed quest log track button "hitbox" being slightly offset
Fixed a linebreaking issue causing some things to extend beyond info cards, and making some info cards have a lot of vertical padding
Fixed buff tooltips sometimes cutting off words and sometimes added unnecessary padding
Fixed default attack skill descriptions not being fully parsed (keywords remained)
Fixed issue showing stats such as nature damage etc 1% lower than they are
Fixed rare crash on enchanting
Fixed color coding issue on skills with multiple range/radius numbers
Fixed seasonal set complaining about MISSING TEXT
Fixed some effect description inconsistencies (using "more" instead of "increased" for multiplicative effects)
Fixed (probably) issue where you could get locked in the Hidden Cellar in Act3