Champions, Rares, and Uniques have had their pathing improved
Elite packs (Champion/Rare) now drop an additional item for players with 5 stacks of Nephalem Valor, which is guaranteed to be of Rare quality
Damage from monsters in Acts II, III, and IV in Inferno difficulty has been reduced
Colossal Golgor base damage has been reduced
Herald of Pestilence tentacle attack damage has been reduced
Soul Ripper and Soul Lasher damage has been reduced and both monsters will now run away less often
Wasps in Act II, Mage Constructs in Act II, and Winged Mollocks in Acts III and IV will now run away less
Succubus monsters will now run away less and for a shorter distance
The health pools of Woodwraiths in the Highlands now match the health pools of Woodwraiths in the Fields of Misery
Lacuni and Scavenger Rares and and Champions will now un-burrow when called by their allies
Bloodclan Warriors no longer knockback when buffed and attack slightly slower
Morlu no longer have the Invulnerable Minions, Health Link, or Fire Chains affixes
Plagued, Arcane Enchanted, and Electrified monsters no longer have resistance to Poison, Arcane, and Lightning damage (respectively)
Leaders of Invulnerable Minions packs have had their health pools reduced
Mortar monsters can now hurl projectiles farther, but their minimum range has also been increased by 100%
Tecik.