March 01, 2012 Patch

{{Patch layout
 * source = http://store.steampowered.com/news/7409/
 * source-title = Dota 2 Update Released
 * before = 2012-02-17
 * after = 2012-03-08


 * notes =

Gameplay

 * Added
 * Added Co-op matchmaking games versus bots.
 * Fixed bug with kill credit when illusions get the kill.
 * Charge of Darkness and Wrath of Nature no longer alert the target to attack the caster if the target is far away.
 * Fixed Mekansm not healing you if it activated right after you come out of Astral Imprisonment.
 * Fixed bug with Astral Imprisonment disappearing from invisible units.
 * Fixed Essence Aura triggering on zero cooldown spells (like Ball Lightning).
 * Fixed being able to trigger Essence Aura with Toss when there are no valid targets to Toss
 * Enabled Outworld Devourer in Captain's Mode.
 * Restored previous Blink double click behavior.
 * Fixed Courier Speed Burst canceling Transfer Items.

UI

 * Fixed dragging an item from the courier to a hero's inventory not combining an item properly.
 * Fixed some audio settings are not saving correctly (speech level, background sound, boostgain).
 * Selling items no longer factors into gold-per-minute.
 * Added an option to autoselect summoned units and illusions to the game settings.
 * Fixed bug with camera jumping up and down when moving the mouse in the minimap while in spectator chase cam.
 * Fixed bug with moving the camera and creating selection windows while in spectator chase cam.
 * Fixed bug with some heroes having their Ultimate fire when ALT-TAB (or Windows key hit).
 * Fixed some game interface settings not saving.
 * Fixed bug where having legacy selected at load wasn't disabling the hero, courier, and neutral binds.
 * Added specular, texture quality, and render quality to video settings as performance trade-offs
 * Various improvements to unit selection/targeting feedback
 * Increased maximum number of people in each chat channel.
 * Accepting a game invite via Steam will join that person's party.
 * Ignore/unignore options now shown for friends in the main menu.

Visuals

 * Added a number of aura effects.
 * Fixed Tiny's tree not being properly equipped in his stone grip.
 * Fixed an issue where hero movement would stutter on some network connections.

Audio

 * Added rival death-taunts and other miscellaneous lines to flesh out dialog set for Sand King.

Bots

 * Made bots want to pick up Cheese with the same rules that they use for picking up Aegis and Rapier.
 * Improved bot last-hit logic.
 * Bots will now deny using the same logic they use for last-hitting.
 * Bots now last-hit and deny while farming a lane, just as they do during the laning phase.
 * Fixed issues with loadouts of Bane, Kunkka, and Sniper.
 * Fixed bugs with bots getting stuck trying to purchase an item, failing to purchase an item, or dumping items on the ground due to a full stash.
 * Bots will stop farming just for buyback when they have 1.5x their current buyback cost.
 * If a bot's stash is completely full, they are now more likely to pick their stuff up regardless of its value.

}}
 * changes =
 * Updated The Radiant siege creep model.
 * Added a new effect that fades your health bar when one of your units is not selected.
 * Added new run animation for 's Spiderlings.