February 12, 2015 Patch (Test)

{{Patch layout
 * source = http://dev.dota2.com/showthread.php?t=155419
 * source-title = Update 4
 * before = February 11, 2015 Patch (Test)
 * after =
 * notes =

Update 4
}}
 * Players in Low Priority are only allowed to play All Random games (Coop bot games are also no longer allowed)
 * Maximum Low Priority penalty reduced from 16 to 5 games
 * Reduced the rate that reports become available by 50%
 * Pets no longer give away the fact that you have true sight, they continue to act as if they can’t see an invisible hero even if they are revealed
 * Fixed various pathing/targeting related bugs
 * Fixed not being sticky on the targets it affects
 * Fixed Spirits being forced to attack during
 * Fixed Secondary Projectile speed on Splinter Blast
 * Fixed another case where an enemy with only debuff could deny an ally
 * affects Spell Immune units fully instead of just partially
 * Fixed Arctic Burn affects Spell Immune units (buff remains on but does nothing)
 * Fixed Secondary Targets on Splinter Blast proccing
 * Updated Hero Icon