Warcraft III/Patch 1.31.1

Warcraft III patch 1.31.1 is a minor patch.
The patch was deployed on the Public Test Realm on June 7, 2019.
==Known Issue==
There is a problem patching from in game that may result in an infinite loop. WE are working on a fix, but you can use the standalone updater if you encounter this issue.
==Specific Changes and Improvements==
*All natives are now zero-indexed
==Bug Fixes==
*The game successfully regains focus to fullscreen after minimizing during download or lobby transitions
*Custom maps appear on the game creation list
*Browsing the game creation list no longer causes a crash
*Lua maps no longer crash on save
*Map data no longer corrupts on save
*Illusion no longer deals 1 damage
*Elf units set to patrol or follow during the night cycle no longer remain in Shadowmeld
*Using Staff of Teleport on a possessed worker followed by casting Scroll of Teleport no longer causes a desync
*Video options are saved when switching between windowed and fullscreen mode with Alt+Enter
*Units\Creeps\Medivh\GenericGlow2_mip1.blp no longer missing
*Objects\InventoryItems\PotofGold\GOLDCoin.blp no longer missing
*(2)Terenas Stand LV - Each Dark Wizard replaced with a Renegade Wizard and a Rogue