January 11, 2016 Patch

{{Patch layout
 * sort = 2016-01-11
 * source = http://store.steampowered.com/news/19952/
 * source-title = Dota 2 Update - January 11th, 2016
 * before = January 08, 2016 Patch
 * after = January 13, 2016 Patch
 * notes =
 * Various Infuser related bugs have been fixed.
 * Fixed a crash when trying to place a hero-specific gem in an item for a different hero, and fixed a bug where invalid gems would be provided in the list of options of gems to place in a socket.
 * Fixed a bug where sometimes the rare socket UI would appear on the owned item details page for inappropriate items.
 * It is now possible to combine autograph gems in the armory by right clicking on them and selecting 'Use With...'.
 * Fixed an interaction between {{hero ID|Rubick}}'s {{Ability ID|Spell Steal|Rubick}} and {{Hero ID|Arc Warden}}'s {{Ability ID|Tempest Double|Arc Warden}}.
 * changes =

Tournament items
}}
 * Free to spectate tournaments
 * Weproud Tournament Season 2
 * Evil Christmas Cup
 * KOD LEAGUE SEASON II
 * AquaLeagues Mid Wars 1
 * Dotamax
 * Tica Legends League Season 2
 * Persian Gulf Cup Season 2
 * NHK League Season One
 * Bulgarian Dota 2 League