On November 11 (which I presume corresponds to when I updated discourse - I am currently on 1.1.2), the from address in emails changed from:
From: peternlewis email@example.com
From: Peter N Lewis firstname.lastname@example.org
That’s fine, that’s a good change.
But, if the user has not set a name (which the settings say is option) the change went from:
From: username email@example.com
Which is not a good result.
Also, it looks like the name field cannot be edited by the admin (without going through the process of impersonating them and then editing their profile) so I can’t even easily fix this up.