This means if you call DHTML.AddFunction, DHTML.QueueJavascript, or DHTML.RunJavascript before the page begins loading, it WILL NOT WORK! Make sure you're calling them in DHTML.OnBeginLoadingDocument or later.All we have to do, is just select the 'Betas' tab, and perform the steps like. After this, a window should appear (containing the respective properties). Click with the right mouse button and a contextual menu will appear, in which we must select the 'Properties' option. ⚠ Developers: Site Isolation is now turned on! Javascript state now gets destroyed on navigation, like how normal web browsers work. First we go to our library, and then we locate the game.Note: CEF updates happen independently of CEFCodecFix releases.