October 21, 2014 Patch

{{Patch layout
 * source = http://store.steampowered.com/news/14735/
 * source-title = Dota 2 Update - October 21st, 2014
 * before = October 17, 2014 Patch
 * after = October 23, 2014 Patch
 * notes =
 * Over the past week we've been rolling out a new mechanism for releasing updates. Download sizes will now be smaller and restarting the client will only be required when the update has dependencies on it.
 * Fixed League games (without a ticket) not showing up properly in the Live Games tab
 * Fixed some recent issues in Local Lobbies

Undocumented Changes
}}
 * Mismatched Player: The player you invited is not running the same game engine.