I've been using Trello non-stop for almost two months now and could upload and preview all .PNG and .JPG files without any issues up until today's morning, when all of a sudden, none of the images would preview inside the cards (so me and my team would need to actually download the images to our computers/phones first in order to see them), nor it would let me attach images as covers ("Unable to ass X_File_Name.jpg as cover").
I've read some previous articles regarding similar issues and it seems it's a Trello bug that shows up from time to time. What should I do?