August 19, 2016 Patch

{{Patch layout {{:Version 6.88c}}
 * source = http://store.steampowered.com/news/23584/
 * source-title = Dota 2 Update - August 19th 2016
 * before = 2016-08-18
 * after = 2016-08-23
 * notes =
 * changes =

Economy

 * The expiration date of the 2016 Player Cards, 2016 Player Cards Dust have been changed from August 31, 2016 to September 15, 2016.
 * A bug where it would show the 2016 Player Cards, 2016 Player Cards Dust as tradeable and marketable has been fixed.
 * A small cleanup of the backend code in the schema where player info used for TI content is now organized under their teams.

Unreleased

 * Deus Ex Announcer Pack.

Update 2
}}
 * Fixed cooldown incorrect problem.