--- prelude: > JavaScript can now access the Keystone Token. features: - > Horizon and Horizon Plugins can access the Keystone Token from JavaScript so that they can make CORS calls directly to other OpenStack Services. This can enable much more responsive UI. security: - > Making Keystone Tokens available to JavaScript slightly increases the risk of a Token being captured. If you don't need this functionality, it can be disabled by setting the following option in your local_settings: ENABLE_CLIENT_TOKEN = False