January 31, 2013 Patch

{{Patch layout
 * source = http://www.dota2.com/news/updates/9872/
 * source-title = Dota 2 Update - January 31st, 2013
 * before = 2013-01-25
 * after = 2013-02-01


 * notes =

''This update has improved how Dota 2 is setup on your machine and will provide a significantly faster load time for most players. As a result of these changes, the update may take a while to download.''

Gameplay

 * Fixed how magic damage is amplified when there are multiple sources of bonuses.
 * Fixed healing never resetting.
 * Tightened selection area of Eidolons to make picking individual units easier when they clump
 * Fixed not slowing magic immune units.
 * now properly trails invisible units.
 * Fixed various properties of illusions being incorrect.
 * Fixed working on illusions of Tiny.
 * Fixed Roshan decreasing charges.
 * Fixed not restoring its layers independently of one another.
 * Fixed damage not leveling properly, damaging magic immune units, and having incorrect chance to proc.
 * Fixed a bug with kill credit and illusions.
 * Fixed Roshan no longer casting Slam to slow and damage nearby units.
 * Fixed Roshan decreasing charges.
 * Fixed not restoring its layers independently of one another.
 * Fixed damage not leveling properly, damaging magic immune units, and having incorrect chance to proc.
 * Fixed a bug with kill credit and illusions.
 * Fixed Roshan no longer casting Slam to slow and damage nearby units.
 * Fixed a bug with kill credit and illusions.
 * Fixed Roshan no longer casting Slam to slow and damage nearby units.

UI

 * The Smooth Drag option now works for anyone that's spectating (whether through DotaTV or as a broadcaster).
 * Reduced waiting time in hero picker during All Random to 10 seconds.
 * Reworked how your personal hero performance is done on your profile page (provide feedback here http://dev.dota2.com/forumdisplay.php?f=431).
 * Added preview for summoned items like the panda and watcher golem to store and backpack.
 * Added the ability to filter out empty teams from the team list.

Bots

 * Fixed some incorrect timing calculations that were causing bots to miss some last hits.
 * Fixed Practice vs Bots not properly selecting the nearest server.
 * Fixed bot to know about the true range of.
 * Fixed bots thrashing selling a situational item (dust, wards, TP scroll) to purchase another situational item.

WebAPI

 * Added Captain's Mode Picks and Bans.
 * Added ability upgrade order and times to each player.
 * Added inventory for additional units ('s Spirit Bear).
 * Added an API for getting match details in the order they were recorded.

}}
 * changes =
 * Added the Arms of the Penitent Nomad Set, Blessings of the Wildwing, The Gifts of Yoskreth Set, and the Wings of the Gilded Falcon Set.
 * Wildkin Camp renamed to Wildwing Camp.