1.19j
6.88c Update
Bloodseeker, Drow Ranger, Leshrac, Lina, Mirana, Oracle, Timbersaw and Visage have vanilla changes

Elder Titan
-- Echo Stomp damage unchanged

Faceless Void
-- Chronosphere cooldown reduced to 120/100/80

Shadow Demon
-- Disruption incoming damage increased from 100% to 150%

Treant Protector
-- Living Armor regeneration reverted to vanilla

Items:
Magic Wands and Sticks now gain charges no matter how many heroes are nearby
Gold bags (including those made by Bounty Hunter's Track) now grant 50 gold to each member of the team, no matter how many players are in game
Desolator 2 icon is fixed

1.19i
Updated the 2 Player map to use the same spawn timings as the other maps

1.19h
HEROES:
Vengeful Spirit
-- Nether Swap aghanim's scepter upgrade fixed

Viper
-- Fixed Viper Strike to actually do something

1.19g
HEROES:
Lion
-- Mana Drain reverted to vanilla

Nyx
-- Reflection damage will now actually kill units

Skywrath Mage
-- Added aghanim's scepter description

Sniper
-- Take Aim reverted to vanilla

Techies
-- Land Mines reverted to vanilla
-- Suicide Squad! area of effect reverted to vanilla
-- Remote Mines area of effect and duration reverted to vanilla

Tinker
-- Laser damage reverted to vanilla
-- Laser now refracts to 5 targets (10 with scepter)
-- Heat-seeking Missiles now only targets visible units
-- Heat-seeking Missiles damage reverted to vanilla
-- Heat-seeking Missiles now targets 5 units (10 with scepter)
-- March reverted to vanilla

Tusk
-- Removed erroneous tooltip from Walrus Kick (it couldn't be leveled up)

Vengeful Spirit
-- Magic Missile damage reverted to vanilla

Venomancer
-- Poison Nova reverted to Vanilla

Viper
-- Viper Strike damage, range, and cooldown reverted to vanilla
-- Viper Strike is now an AoE
-- Viper Strike still supports Aghanim's Scepter (increased range and reduced cooldown and mana cost)

Wind Ranger
-- Focus Fire reverted to vanilla

Witch Doctor
-- Death Ward bounce changed from magical damage to physical damage
-- Death Ward bounce now targets spell immune enemies

Wraith King
-- Resurrect cooldown increased to 60/45/30
-- Resurrect delay reverted to vanilla

Zeus
-- Rescaled lightning bolt damage to 200/275/375/450

1.19f
ITEMS
Horde Stick
-- Grants charges when any enemy dies within 1000 units
-- Reduced heal per charge from 8 to 6
-- Reduced cooldown from 17 to 13

Horde Wand
-- Grants charges when any enemy dies within 1000 units
-- Reduced heal per charge from 10 to 8
-- Reduced attributes bonus from 7 to 4
-- Reduced cooldown from 17 to 13

CREEPS
-- Reduced boss magic resistance from 50% to 25%

HEROES:
Ancient Apparition
-- Cold Feet cooldown reverted to 13/11/9/7 (vanilla)

Anti-Mage
-- Mana Void ministun reverted to 0.3 (vanilla)

Bane
-- Enfeeble duration increased to 8/12/16/20
-- Fixed issues with radius targeting

Chen
-- Holy Persuasion mana cost and minimum health reverted to vanilla
-- Holy Persuasion recharge rescaled to 40/35/30/25

Crystal Maiden
-- Frozen Field damage reverted to vanilla
-- Frozen Field radius reverted to vanilla
-- Frozen Field cooldown reduced to 90/75/60

Enchantress
-- Enchant recharge increased to 40/35/30/25
-- Enchant duration increased to 120

Shadow Fiend
-- Fixed Presence of the Dark Lord
-- Requiem cooldown reduced to 120/100/80
-- Requiem aghanim's scepter now deals full damage each direction (double damage total) and does not heal

1.19e
BUG FIXES
Replaced Skeleton Boss's Doom with a custom version that should prevent crashes
Fixed cast range and cooldown of War Fury and Quelling Axe actives
Fixed Storm Spirit's upgraded Electric Vortex

HEROES:
Storm Spirit
-- Returned Overload to vanilla
-- Change damage scaling of Static Remnant and increased mana cost
-- Reverted Ball Lightning damage to vanilla

1.19d
Difficulty is now declared upon match start.

HEROES:
Dazzle
-- Fixed tooltip on Contagious Flamboyance (it stopped being global several patches ago)

Terrorblade
-- Removed self cast from Sunder (it did nothing, but still put it on cooldown)

Viper
-- Removed split shot from Poison Attack
-- Poison Attack now applies the poison in an aoe splash
-- Poison Attack also applies damage from Nethertoxin to affected targets
-- Nethertoxin now deals full damage to all units

1.19c
2p Map:
-- Removed miniboss satyrs

4/5p Maps:
-- Wave timings standardized further: first wave lasts 180 seconds, each later wave lasts 250 seconds, with a 50 second break between waves
-- Ogre boss removed, due to the shortening of waves three and four

1.19b
Creeps:
-- Skeleton Boss has Wraithfire Blast instead of max HP aura

Heroes:
// Pugna
-- Nether Turret unit cap changed to 2/2/3/3
-- Nether Turret attack speed rescaled to 2.4/1.2/0.6/0.3
-- Nether Turret hit points reduced to 300/500/700/900
-- Nether Turret duration reduced to 60 seconds
-- Nether Turret can now be self-destructed
-- Added Aghanim Scepter upgrade to Nether Turrets, causing them to generate a Nether Blast of Pugna's level when they perish (whether via self-destruct, resummon, or due to damage)

// Rubick
-- Stolen Summon Wolves and Nether Turrets no longer share unit limits with the original heroes

Items:
// Shiva's Armaments
-- Fixed tooltip of aura debuff to have red border

1.19a
2P Map:
-- Fixed the allied creep spawn

Heroes:
// Vengeful Spirit
-- Replaced ultimate with Nether Swap
-- Nether Swap now instantly kills non-boss units that are swapped

// Invoker
-- Now uses the standard attribute bonus that everybody else uses


Items:
// Heart of Tarrasque
-- Melee heroes now have a 0.6 second cooldown when taking damage