Could be any script that is still being tested.
// ==UserScript==
// @name Version Testing
// @version 0.8001
// @description Could be any script that is still being tested.
// @author Cristo
// @include *
// @grant GM_getValue
// @grant GM_setValue
// @copyright 2012+, You
// @namespace https://greasyfork.org/users/1973
// ==/UserScript==
document.addEventListener('keydown',function(i) {console.log(i.keyCode);}, false);