January 26, 2017 Patch

{{Patch layout
 * sort = 2017-01-26
 * source =
 * source-title = Dota 2 Update - January 26th, 2017
 * before = January 24, 2017 Patch
 * after = January 27, 2017 Patch
 * notes =
 * Added the Dark Moon Event.
 * Added Winter 2016 trophies.
 * Your recent games tab now has a filter to show only Event Games or hide them.
 * Ability Cast Range indicator has been added for {{A|Unstable Concoction|Alchemist}}.
 * {{code|shivas}} is now an alias for {{I|Shiva's Guard}} in Item Search.
 * You can now hover over the abilities on the Kill Graph.
 * The shadow on the chat text has been slightly altered.
 * A "Play " button has been directly added to the Custom Game page in the Arcade Tab.
 * A typo in the name of one of the chat regions in Philippines and Finland has been fixed.
 * Bots now have chat commands to notify of the power ups and runes in the game.
 * {{A|Sadist|Necrophos}} tooltip has been updated.
 * Response rule updates for {{rune|arcane}} for Disruptor, Doom Bringer, Dragon Knight, Drow Ranger.
 * Some minor updates to the audio mixer for better audio output from various objects in the game.

Promotional

 * Comes with purchase of real life Mirana sculpture.

Update 2
}}
 * Fixed an issue with a missing module client on Linux which prevented the game to start.