Is it a known issue ?
On the left : space in the filename
On the right : no space in the filename
What is?
I can’t see the url in your screenshot…
Probably a problem with the curl backend. Check the bugtracker under components “kit/webkit”, and if there isn’t a ticket file one there. : )
with regards to wether this is known…
Ok I’ve created a ticket : Making sure you're not a bot!
Yes, it’s a known issue and requires api changes in BUrl. As a result no one wants to merge the patch and it is rotting on Gerrit for a few years.