It worked for me using the Console Sandbox project. Are you getting any errors in the browser console? Have you tried deleting the cache to ensure that the browser is not caching an old engine file?
I just put those lines of code in the first thing I can hook in. I think you can even do this in the pre loader script.
In the __loader__.js script, I did:
pc.script.createLoadingScreen(function (app) {
var handler = app.loader.getHandler("texture");
handler.crossOrigin = "anonymous";
var showSplash = function () {
// Rest of the script
@dave I am seeing something strange. Few of my items have got the texture back but not all. Few are still having only shaders and no texture. Any idea?