Finally got the Media Viewer to work.
=> As it stood, for some reason I do not know, config.prod.yml was being
ignored and therefore media viewer on the UI was not activated even when I
set the media viewer to true in the config.prod.yml:
mediaViewer:
image: true
video: true
=> I had to
This feature should work in DSpace 7.6.x. It's working on our demo site at
https://demo.dspace.org You need to click on the thumbnail (of the image)
for it to expand into the media viewer.
Here's an example on our demo
site: https://demo.dspace.org/items/795a6906-498a-42a7-a330-f57a6aa1323e