I cant. I'm on my phone right now.
Just picture a save file dialog from 3 browsers with a random string dot something as filename.
I noticed on my phone the file is named something like downloads.bin.
I am of the same persuasion... "link aggregator", I would think, should be a place to "aggregate" links. In lemmy you have 4 fields: URL, Image, Title and Body. Never seen someone say lemmy is an image aggregator, for example. Body is for discussion (as in forums) and seems to be where the meat of the matter really is.
drumroll...Tada!....
It suddenly is working. I didn't change a thing.
@catloaf@lemm.ee suggested I get suspicious about my country or ISP. Should I worry, now?!... :-(
Seriously, did the f-droid folks change anything on their end?