yes, just tried again, same issue. stuck at "Importing..." forever. I looked at the dev console.

Access to XMLHttpRequest at 'https://api.dropbase.io/v1/pipeline/HhNFQmZnnFkjrqK6Lptr3w/l... from origin 'https://app.dropbase.io' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.

The csv file is UTF-8 encoding.