1.20i
General:
-- Tower (both Player and Horde) debuff auras now reduce evasion chance
-- Storm Bolt stun from archer boss should be purgable
-- Hellfire stun from Skeleton boss should be purgable

Heroes:
// Abaddon
-- Only the damage part of Death Coil is an AoE

// Arc Warden
-- Building Upgrades and Moon Shards used by the Tempest Double no longer do anything

// Faceless Void
-- Illusions no longer bash

// Phantom Assassin
-- Stifling Dagger only performs a full attack with orb effects on the primary target, dealing only splash damage on others
-- Reverted Phantom Strike to vanilla

// Troll Warlord
-- Reverted Whirling Axe to vanilla
-- Reverted Battle Trance to vanilla

Items:

// Eye of Skadi
-- No longer grants splash damage to illusions

// Orb of Venom
-- No longer grants splash damage to illusions

// Shiva's Armaments
-- Increased attack speed slow to 45 (same as Shiva's Guard)

// Vladmir's Cuirass
-- Now buffs buildings attack speed and armor

1.20h

Heroes:
// Ancient Apparition
-- Ice Blast deals normal DoT damage now, including extended duration for aghs upgrade
-- Known Issue: Ice Blast DoT damage only works on bosses and mini-bosses

// Phoenix
-- Actually fixed the duration of Fire Spirits

1.20f
Removed sound for gaining assist gold

Heroes:
// Enigma
-- Fixed bug that prevented Midnight Pulse from doing % damage

// Phoenix
-- Fixed bug prevent fire spirits from having the proper 9 second duration

// Puck
-- Waning Rift now also reduces base damage of enemies by 20/30/40/50%

1.20e
Heroes:
// Lion
-- Hex is now an AoE

// Shadow Shaman
-- Hex is now an AoE
-- Shackles now has the same damage and cooldown as live, and is now aoe targeted instead of PBAOE

1.20d
Heroes:
// Phoenix
-- Fixed Fire Spirits not dealing damage for realz this time

1.20b
Fixed issue with illusions and clones getting extra XP and gold

Items:
// Dragon Javelin
-- Now has a 0.2 second cooldown

Heroes:
// Lone Druid
-- Synergy removed
-- Lone Druid now has a copy of Ursa's Earthshock as his third ability
-- Spirit Bear base armor increased from 3/4/5/6 to 4/7/10/13
-- Spirit Bear move speed increased from 320/330/340/350 to 330/350/370/390
-- Spirit Bear base damage increased from 35/45/55/65 to 45/75/105/135

// Phoenix
-- Fixed Fire Spirits not dealing damage

1.20b
Standard lane creeps now give Super Creep levels of XP and gold:
Rebalanced XP and gold from ghost and splitter waves
Rapier Ogre attack range increased to 300

Heroes:
// Bounty Hunter
-- Shadow Walk bonus damage increased from 30/60/90/120 to 100/150/200/250

// Death Prophet
-- Spirit Siphon flat damage per second increased from 18 to 30/60/90/120
-- Spirit Siphon percentage damage per second reduced from 1/2.5/4/5.5% to 0.4/0.8/1.2/1.6%

// Doom
-- Infernal Blade flat damage per second increased from 25/30/35/40 to 40/80/120/160
-- Infernal Blade percentage damage per second reduced from 1.25/2.5/3.75/5 to 0.5/1/1.5/2%

// Invoker
-- Forged Spirit melting strike now works

// Pheonix
-- Sun Ray fixed

// Underlord
-- Firestorm burn damage reduced from 0.75/1.5/2.25/3% to 0.3/0.6/0.9/1.2%

// Warlock
-- Aghanim's Scepter golems now properly have full hp and damage

1.20a
Fix to golem boss model
Increased difficulty modifiers:
Outgoing hero damage changed from 100/100/90/80% to 100/90/80/70%
Incoming hero damage changed from 100/100/120/140% to 100/120/140/160%

1.20
Gold and XP changes!
XP is now granted fully to all allies within a 1300 radius, instead of divided amongst them.
Assist gold is now granted for slain creeps, granting 50% of last hit gold to all heroes within a 1300 radius.
These changes should make the 5 Player Map less difficult than the 4 Player Map. This also means that players are less penalized for grouping up or defending at the tower.

Splitter Wave:
Giant Golem boss no longer splits, now has full array of Tiny powers
Giant Golem boss carries an Aghanim's Scepter and Vladmir's Cuirass
Reduced Giant Golem boss hit points from 30000 to 20000
Replaced ancient golems with Earthshakers
Reduced split spawn size from 3 to 2
Reduced large splitter hp from 7000 to 1000
Added Craggy Exterior to Large Splitters
Reduced medium splitter hp from 4000 to 750
Reduced small splitter hp from 750 to 500

Ghost Wave:
Reduced attack range of ghosts from 930 to 700
Reduced Ghost Boss hp from 30000 to 20000

Final Wave:
Skeleton King's Doom should now be properly blocked by Linken's Sphere

1.19k
Heroes:
Underlord
-- ENABLED!
-- Pit of Malice radius increased to 275/325/375/425
-- Atrophy Aura duration reduced to 30/35/40/45
-- Dark Rift teleport delay reduced to 1.0 seconds