Should they just be linked or something?
As html or text?
As you've filed, I can't reproduce. Can you give an example directly on this task?
(Though how we link files in HTML is a bit funky)
In HTML I see this:
Maybe it's a certain email client?
Those show up fine in my gmail actually. I saw this on https://phabricator.wikimedia.org/T86160#962778
Ah, it was edited in after the initial comment. Sorry about that.