January 10, 2013 Patch

{{Patch layout
 * source = http://www.dota2.com/news/updates/9723/
 * source-title = Dota 2 Update - January 10th, 2013
 * before = 2013-01-04
 * after = 2013-01-17

Added {{Hero icon|Medusa|16px}} Medusa!
 * notes =

Gameplay

 * Witch Doctor: Fixed Aghanim's Scepter icon.png Aghanim's Death Ward icon.png Death Ward attacking Summon Familiars icon.png Familiars and other pseudo heroes.
 * : Scorched Earth icon.png Scorched Earth now only applies damage from Doom himself, not all the units affected by his aura.
 * : Fixed being able to get units stuck using Refresher Orb icon.png Refresher.
 * Keeper of the Light: Fixed Recall icon.png Recall interaction with non-hero units.

UI

 * Added a Haste button to the Flying Courier icon.png courier HUD element.
 * Added Mid Only game mode for private lobbies (disables other lanes and allows the same hero to be selected).
 * The Announcer Share dialog has been replaced with a Shared Content dialog.
 * Added a badge to the top bar to count the available shared items.
 * If shared content is available in a game, a message is now printed pregame.
 * Added Balanced Shuffle button to non-tournament private lobbies.
 * Added All Chat private lobby option for enabling voice chat among all players.
 * Fixed "Equip" appearing in the right click menu for some chests.

Audio

 * Fixed hearing the wrong announcer after equipping a new item in the loadout.
 * Fixed bugs with muting cobroadcasters causing other sounds to be muted.

Bots

 * The bots are now less likely to push with more heroes than what they deem necessary (less 5-man Dota). Probably needs some tuning.
 * Made bots slightly less self-concerned when considering defending an ally. Also made them more likely to jump in if they have a slow or stun.
 * Bots that are capable of jungling during the laning phase may now do so.
 * If purchasing an item from the Secret Shop would complete an item, desire for going there is now increased.
 * When their next item is purchasable, their desire to farm is significantly reduced.
 * Fixed bad tuning that was causing bots to almost never farm lanes.
 * Improved bot responsiveness to pings on Roshan Portrait.png Roshan.
 * Bots are now less likely to assume that humans will purchase Wards.


 * changes =
 * Renamed Doom Bringer to Doom.
 * Added the Treasure of Dark Implements with 7 new pieces of equipment.
 * Added The Brood Queen Set.
 * Added The Obsidian Blade Set.
 * Added the Light of the Solar Divine set.
 * Minor texture changes for.
 * Updated 's portrait animation.