You are technically correct though, older versions only used JASS. However, LUA was added to Warcraft 3 in patch 1.31a [1]. > See World Editor Updates for more

You are technically correct though, older versions only used JASS. However, LUA was added to Warcraft 3 in patch 1.31a [1]. > See World Editor Updates for more details on many additions and improvements including beta support for Lua [1](https://liquipedia.net/warcraft/Patch_1.31.0 https://liquipedia.net/warcraft/Patch_1.31.0)