September 21, 2012 Patch

{{Patch layout
 * source = http://www.dota2.com/news/updates/8923/
 * source-title = Dota 2 Update - September 21st, 2012


 * before = September 13, 2012 Patch
 * after =


 * notes =

HIGHLIGHTS

 * Added Meepo!
 * Added Meepo!
 * Added Meepo!
 * Added Meepo!
 * Added Meepo!
 * In the Test client, heroes will now randomly equip cosmetic items every time they spawn.

GAMEPLAY

 * Pugna:
 * Fixed Nether Ward icon.png Nether Ward briefly registering the incorrect team right after casting.
 * Wisp :
 * Fixed being able to Teleport a Tether icon.png Tethered creep to the enemy base.
 * Lich:
 * Fixed Chain Frost icon.png Chain Frost being dodgable.

UI

 * The buyback button is no longer shown when the hero is reincarnating.
 * Shift clicking a recipe now puts it in quickbuy.
 * Fixed misaligned tooltips in the combine tree.
 * Pennants now work for any game that's part of a tournament.
 * Equipped pennants are now visible in your base when you're playing.
 * New broadcaster select dialog.
 * Added animated Firstblood, killstreaks and multikills notifications.
 * Reduced opposing-team pause resume time down to 5 seconds (from 30 seconds). If any player is disconnected, the amount of time will stay 30 seconds.
 * The top bar healthbars now show up any time a player is spectating.
 * Fixed issues with the featured hero in the profile not showing the right hero, or not animating after toggling the dashboard.
 * Stackable items now have their sellback time expired when they are stacked by a movement inside the inventory.
 * The suggested items tab is now reloaded after a player swaps heroes with someone else.
 * Added hero filter to live games list.

VISUALS

 * Added a effect that plays the whole time Keeper's Mana Leak icon.png Mana Leak is active on a target, not just when the target moves.
 * Player's chosen team pennant will display in the fountain area.

BOTS

 * Added Lich bot.
 * Added Death Prophet bot.
 * Added Viper bot.
 * Bots will now select heroes their teammates have suggested in the hero picker.
 * Increased the radius and strength of fountain avoidance.
 * Tuned the strength of bots desire to place a ward, they should be somewhat more cautious about it now.
 * Bots now wait 15 seconds after hero-picking to spring into action. This gives players the opportunity to buy their own couriers, if they want.
 * Bots will no longer try to TP out of a fight if they're currently visible to the enemy team.
 * Bots now try to path through FoWed areas when retreating.
 * Bots now pay attention to multiple pings, and will use them to strengthen their desire to attack a hero, defend a lane, or push a lane.
 * Bots that are disabled due to missing players on the opposing team are now also invulnerable so they cannot be farmed.
 * Supports will now defer last-hitting to non-supports in their lane.
 * Bots on easier difficulty levels will now be worse at retreating out of a gank.
 * Fixed bug with the avoidance of Dark Seer's Wall of Replica icon.png wall (only half the wall was being avoided).
 * Slightly increased sticktoitiveness of bots overall, but moreso for medium and easy bots.
 * Made Tiny bot less likely to Avalanche icon.png Avalanche when retreating (so it's harder to harass him into using all his mana).

Undocumented
}}
 * Updated Enchantress' and  Pudge's textures.