spreadshirt.de designer doesn’t load. The web console has multiple warnings, but I think this one is the culprit:source URI is not allowed in this document: “https://assets.spreadshirt.net/cyo/spreadshirt.min.js”. The main area just stays white and the loading icon never shows up. Did you set an incorrect Content Security Policy maybe? Browser: Mozilla Firefox 61.0b12 on GNU/Linux
Oops, just got a browser update and now it works again. I suppose that means it might have been a Firefox bug.
They often are
Nah but seriously - good to hear that it’s working again. And thanks for reporting, in any case! It’s nice to know what we have vigilant eyes out there, reporting potential bugs