I upgraded to 3.8 ( on a Mac) and, as a result, the image in the print module seems to be uploaded but it is not diplayed in the central panel ( only a grey panel whose size changes according to the paper size chosen)! I went back to 3.6 and it works flawlessly.
On a different note, in the " manage module layouts,", the " add module to the group" function does not work (3.6 and 3.8). It does not display the list of modules!
Thank you in advance for any insight / comment