May 15, 2015 Patch

{{Patch layout
 * source = http://store.steampowered.com/news/16843/
 * source-title = Dota 2 Update - May 15, 2015
 * before = 2015-05-14
 * after = 2015-05-18


 * notes =
 * Fixed "Win As Hero" Compendium Challenge not properly detecting completion
 * Fixed various bugs with selling back items during the allowed window (Combined wards, Clarity Potions, etc)
 * changes =

Economy

 * Dota Pit League Season 3 stretch goal rewards have been released:

Treasures

 * Contains:

}}