February 01, 2016 Patch

{{Patch layout
 * sort = 2016-02-01
 * source = http://store.steampowered.com/news/20247/
 * source-title = Dota 2 Update - February 1st, 2016
 * before = 2016-01-29
 * after = 2016-02-04
 * notes =

Winter 2016 Battle Pass

 * Fixed Quests not working with Swapping and Repicking
 * Reduced Daily Hero Reroll time from 24 hours to 22 hours
 * Fixed being able to damage himself with  for the final quest
 * Increased successful location size for Welcome to the Jungle quest
 * changes =
 * is no longer an option for "Buy Aghanim's on Hero" challenge.
 * The game time for "Buy Aghanim's on Hero" challenge has been change from 1800 to 2400.

Tournament items
}}
 * Sudamerican Master 4
 * Glazov Cup
 * ESL One Manila 2016
 * joinDOTA League #9
 * Gamers Lounge WinterCup
 * LANSKILL WINTER 2016
 * Venezuela Dota 2 cup Season 2
 * The Kaolin Cup
 * Vortex Gaming Tournament by MOL Indonesia
 * AquaCup #1
 * Respawn League: Dota 2 Edition 2016
 * Hell League
 * CZ-SK Dota 2 League Season 7
 * IGA amateur league S1