Dota 6.84b ChangeLog

Roshan armor upgrade increased from 1 per 8 minutes to 1.4 per 8 minutes
* Familiars hit requirement reduced from 4 to 3
* Enrage damage multiplier reduced from 2/2.5/3 to 1.5/2/2.5
* Glimmer Cape Magic Resistance reduced 66% to 55%
* Glimmer Cape and Shadow Amulet Attack Speed reduced from 30 to 20
* Silver Edge recipe cost increased from 350 to 600
* Flesh Golem minimum damage amplification reduced from 5/10/15% to 1% (same for scepter)
* Flesh Golem minimum slow reduced from 5% to 1%
* Soul Rip manacost increased from 50/75/100/125 to 100/110/120/130
* Zombies no longer require two hits to kill from Towers
* Stampede Scepter damage reduction from 70% to 60%
* Gyrocopter base Intelligence reduced from 23 to 19
* Queen of Pain base movement speed reduced from 300 to 295
* Hawk movement speed from 250/300/350/400 to 250/275/300/325