"Hi, there used to be, that at the end of a class I had the option to revisit all the references that came up in the class, [...]
Now since at least a few days, at the end of a class, there is just the pop-up "the class is finished", and that is that and all is done."
I just went through this scenario. In my case I skipped a few of the images and ended the session with 18 images.