Updates to Dota 2 have been released. The updates will be applied automatically when your Steam client is restarted. Fixes include:

HEROES

• Added Death Prophet!
  
• Lifestealer: Fixed Feast working on denies
  
• Nightstalker: Updated suggested item build.
  
• Huskar: Fixed Burning Spears working through silence.
  

UI

• When purchasing while dead, items can go to the main inventory ( previously were sent to the stash ).
  
• Fixed some item buffs not working when combined while the hero is dead.
  
• Fixed ability tooltips not working when the game is paused.
  
• Revamped the waiting for players (loading) screen.
  
• If a player fails to connect and load, we now kick all the players back to matchmaking so we don't end up 4v5.
  
• Removed chat from game end panel, we now just show regular hud chat during scores.
  

VISUALS

• Hooked up occasional flinches to lane creeps.
  
• Reduced random blood splatter chances from creep to creep attacks.
  
• Fixed Broodmother's webs not showing up if you connected after they were created.
  
• Screenshakes now work during the end game cinematic
  
• Fixed character shadows sometimes not showing up.
  
• Units are now pushed away from the ancient when it's destroyed.
  
• Updated pine tree foliage.
  
• Added unique tree destruction and tree stumps
  
• Added WIP radiant ancient destruction
  
• Changed impact effects to have a specific hero variation
  
• Fixed blood coming from mechanical units
  
• Fixed Weaver afterimage effects not rendering properly
  
• Fixed character shadows staying off if they were first rendered as invisible on a client
  

AUDIO

• Alchemist's concoction lines are now heard by other players nearby.
  
• Riki will only say "This is Redundant" when picking up an Invisiblity Rune while invisible.
  
• Fixed not hearing the ancient destruction sound effects if the camera was too far away.
  
• Enabled the Unit Speech option in the settings panel.
  
• Altered processing on Jakiro voices (in 12/1/11 update).
  

DOTA 2 BOTS

• Fixed bug where bots would fail to attack Roshan.
  
• Fixed bug where bots wouldn't deny their own creeps.
  
• Fixed spectating players still being able to control bots while spectating.
  
• Fixed bug where bots would grab Aegis over humans if the human's inventory was full. Now they'll assume the human will drop an item for Aegis.
  
• Fixed bug that could sometimes cause no one on a team to pick up Aegis.
  
• Fixed bug where bots would freeze when they encountered a dropped item that they wanted to destroy.
  
• Fixed bug where bots were only avoiding the outermost towers in each lane.
  
• Bots now try to avoid each other somewhat, so they should no longer stack on top of each other as much.
  
• Bots will now attack pets, controlled creeps, and minions in general.
  
• Fixed case where heroes would backtrack after blinking.
  
• Added bot avoidance to Ancient Apparition's Cold Feet.
  
• Bots will now use Glyph if their base is under attack and there are no humans on their team.
  
• Fixed bug in Crystal Maiden bot that was preventing her from using Freezing Field.
  
• Fixed bug where bots would tank Roshan until they died.