February 23, 2017 Patch

{{Patch layout
 * current = 2017-02-23
 * before = 2017-02-22
 * after =
 * notes =
 * changes =

Tournament item

 * CZ-SK Dota 2 League Season 9
 * BEYOND GODLIKE LEAGUE
 * Unjedoto Tournament Season 2
 * Echo League Season 1
 * Go2Olymp Season 2
 * Juggernaut Gaming #1 Supported by UniPin and Gomers
 * CyberEesti Spring 2017
 * Arrow eSports: Season 8
 * DA 5v5 Team Series 2017

Bot Scripting
}}
 * Fixed a number of places where ability-scoped functions were returning as if the unit/ability was not visible, when it was.
 * Added IsCastingAbility for asking if the unit is currently mid-cast of an ability (does not include backswing).
 * Added WasRecentlyDamagedByPlayer and TimeSinceDamagedByPlayer for asking about heroes you can't see.
 * Added player, caster (if visible), and handle entries in the result of GetLinearProjectiles.
 * Added GetLinearProjectileByHandle to the global bot script API.
 * Fixed GetHeroLastSeenInfo to never return nil.
 * Added TeamThink to team_desires.lua.
 * Fixed crash caused by a bot action causing the bot to destroy itself.