js

For a quick-fix you can use 'Chrome extension source viewer' to download the plugin 
as a zip, then unzip and open content.js, add the following code at the end, save, 
then go to chrome plugins, enable developer mode at the top & click load unpacked, 
select the plugin directory with the edited content.js:
==========
Object.defineProperty(Event.prototype, 'path', {
  get: function() {
    return this.composedPath();
  }
});
==========