Abyssal Blade:

Passive block chance reduced from 100% to 50%
Passive block amount increased from 40/20 (melee/ranged) to 70/35

Aether Lens:

Aether Lens cast range bonus increased from 200 to 220
Aether Lens recipe cost increased from 550 to 600

Assault Cuirass:

Self attack speed reduced from 35 to 30
Aura attack speed increased from 20 to 25

Bloodstone:

No longer reduces respawn time to less than 1 second

Bottle:

Regeneration now behaves like Blink and only dispels if actual damage was taken, and only if the damage source is from a player or Roshan.Along with Clarity Potion, Healing Salve, and Urn.
Bottle now only replenishes 2 charges when filled with a Bounty Rune.Hero will auto-consume Bounty Runes if Bottle has full charges.

Bracer:

Recipe cost reduced from 210 to 190

Cheese:

Mana restore increased from 1000 to 1500

Clarity Potion:

Regeneration now behaves like Blink and only dispels if actual damage was taken, and only if the damage source is from a player or Roshan.Along with Healing Salve, Bottle, and Urn.

Crimson Guard:

Passive block chance reduced from 100% to 50%
Passive block amount increased from 32/16 (melee/ranged) to 70/35
Guard Damage Block increased from 55 to 60
Guard now affects buildings

Daedalus:

Bonus damage reduced from 81 to 76
Critical strike increased from 2.2x to 2.3x

Diffusal Blade:

Diffusal Blade can only target enemies now.Cannot self-target.
Mana break on illusions reduced from 20/10 to 16/8
Mana break on heroes increased from 40 to 50
Diffusal Blade damage per mana burned reduced from 100% to 80%

Dragon Lance:

Strength reduced from 13 to 12

Drum of Endurance:Item Reworked

Swiftness Aura is now a +20 Movement Speed aura.
Intelligence bonus reduced from 9 to 6
Recipe now requires Sage's Mask instead of Ring of Regeneration
Provides +50% Mana Regeneration instead of 3 Health Regeneration

Dust of Appearance:

Dust of Appearance no longer requires 5 mana to cast.

Enchanted Mango:

Enchanted Mangoes on sale for 110 gold

Eye of Skadi:

No longer a Unique Attack ModifierPreviously was only partially a Unique Attack Modifier.

Gem of True Sight:

True Sight no longer granted to Illusions

Glimmer Cape:

Cooldown reduced from 16 to 14

Heart of Tarrasque:

Regeneration increased from 4.75% to 7%

Healing Salve:

Regeneration now behaves like Blink and only dispels if actual damage was taken, and only if the damage source is from a player or Roshan.Along with Clarity Potion, Bottle, and Urn.

Heaven's Halberd:

Heaven's Halberd slow duration increased from 4 to 5 seconds
Heaven's Halberd Maim chance increased from 20 to 24%

Helm of the Dominator:Item Reworked

Dominate ability no longer requires 75 mana.
Dominate now sets the converted unit to 425 movement speed instead of 350.
Dominate can only have one creep active at a time.This restriction is regardless of the number of identical items.
Reworked Recipe and Bonuses:

Recipe:
Headdress (575)
Gloves of Haste (500)
Recipe (725)
Total: 1800 (previously was 1800)

Provides:
+6 All Stats
+10 Attack Speed
+10 Attack Speed Aura
+8 HP Regen Aura
Active ability - Dominate

Infused Raindrop:

Cooldown increased from 6 to 7 seconds

Iron Talon:

No longer increases a percentage (40%/15%) of base damage.
Now provides +24/7 bonus damage against non-hero units.These changes also affect Quelling Blade, but not Battle Fury.
Bonus damage now works against Roshan.
Cooldown increased from 14 to 20

Maelstrom:

Maelstrom has an internal cooldown of 0.2 seconds.
Maelstrom is no longer a Unique Attack Modifier.Previously was only a Unique Attack Modifier on successful procs.

Morbid Mask:

Cost increased from 900 to 1200
Now provides +15 damage

Mask of Madness:Item Reworked

Reworked Recipe and Bonuses:

Recipe:
Morbid Mask (1200)
Recipe (700)
Total: 1900 (previously was 1800)

Provides:
+15% Lifesteal
+15 Damage
Active ability - Berserk

- Grants 100 Attack Speed and 17% Movement Speed for 8 seconds. Cooldown: 20
- While activated, you are silenced and have -5 armor.

Medallion of Courage:

Medallion of Courage no longer has half value against Roshan.

Mjollnir:

Mjollnir has an internal cooldown of 0.2 seconds.
Mjollnir is no longer a Unique Attack ModifierPreviously was only a Unique Attack Modifier on successful procs.

Monkey King Bar:

Monkey King Bar no longer provides +15 Attack Speed.

Moon Shard:

Night vision increased from 250 to 300

Necronomicon:

Necronomicon Warrior attack type changed from Basic to Piercing
Necronomicon Warrior attack damage increased from 45/60/75 to 75/100/125Deals less damage vs buildings, more vs heroes, much more vs creeps
Necronomicon Warrior Mana Break reduced from 25/50/75 to 20/30/40
Necronomicon Archer and Warrior armor type changed from Hero to Basic
Necronomicon Archer Mana Burn cooldown reduced from 20 to 7

Oblivion Staff:

Oblivion Staff attack damage reduced from 15 to 10
Oblivion Staff intelligence increased from 6 to 10

Octarine Core:

Octarine Core no longer provides +50% Mana Regeneration.

Poor Man's Shield:

Non-hero proc chance reduced from 53% to 50%

Quelling Blade:

No longer increases a percentage (40%/15%) of base damage.
Now provides +24/7 bonus damage against non-hero units.These changes also affect Iron Talon, but not Battle Fury.
Bonus damage now works against Roshan.

Radiance:

Radiance damage increased from 50 to 60
Radiance damage on illusions reduced from 50 to 40

Rod of Atos:Item Reworked

Applies a Root, preventing the target from moving for 2 seconds.Prevents various movement-based abilities and reveals invisibility for the duration.
Cooldown increased from 10 to 16
Cast range reduced from 1200 to 1000
Active now uses a 1500-speed projectile rather than instantly applying.

Sange:

Sange Maim slow duration increased from 4 to 5 seconds
Sange Maim chance increased from 20 to 24%

Satanic:Item Reworked

Reworked Recipe and Bonuses:

Recipe:
Reaver (3000)
Morbid Mask (1200)
Mithril Hammer (1600)
Total: 5800 (previously was 5900)

Provides:
+50 Damage
+25% Lifesteal
+25 Strength
Active ability - Unholy Rage

Shadow Amulet:

Shadow Amulet fade time reduced from 1.5 to 1.25
Shadow Amulet cooldown on allies reduced from 10 to 7

Solar Crest:

Solar Crest no longer has half value against Roshan.

Soul Booster:

Soul Booster no longer provides +50% Mana Regeneration.

Soul Ring:

Recipe increased from 125 to 150

Talisman of Evasion:

Evasion reduced from 25% to 20%
Cost reduced from 1700 to 1450

Tome of Knowledge:

XP rescaled from 425 to 500/600/700/800/etc. per consumed Tome of Knowledge on your team

Urn of Shadows:

Regeneration now behaves like Blink and only dispels if actual damage was taken, and only if the damage source is from a player or Roshan.Along with Clarity Potion, Healing Salve, and Bottle.

Vanguard:

Passive block chance reduced from 100% to 50%
Passive block amount increased from 32/16 (melee/ranged) to 70/35

Vladmir's Offering:

No longer has 300 gold recipe (still has same total cost after Morbid Mask price increase)

Wind Lace:

Cost increased from 235 to 250