I just recently started using Trello and it has been working fine until two days ago where the attachments show a dark circle in the corner and they are not visible to anybody else besides me. I have restarted the app I have removed the images try to upload them and it’s still being an issue even with a good Internet connection. Another mind-boggling thing is that there is no warning or notifications of any issues with upload, and when I click on the images they appear fine on my end. Pic attached