I can assure you nothing changed on our end. Have you ensured the dashboard module is installed? Have you tried loading the page with your cache disabled? When I don't have the Dashboards module installed I get the message,
require.js:8 Uncaught Error: Script error for: mango-2.0/api
at B (require.js:8)
at HTMLScriptElement.onScriptError (require.js:30)
But that's not the message you provided. Which browser are you using? Do you have a proxy or webserver which may be changing the MIME type? When I view the request for the file in the image in your original post,
I get a MIME type in the response of
I haven't been able to easily reproduce.