Dota 2 Patch 3 May 2012

The update will be applied automatically when your Steam client is restarted
Valve has launched yesterday a new Dota 2 patch via Steam, adding a new hero and fixing lots of bugs. Also, as spectator, clicking courier button now queries the courier for the current query unit's team. And bots now use their defense mode desire to determine when to use Glyph, rather than having an independent calculation for it (check full story for changelog).