After I replied to your comment on my other issue about Debian, the page did not display my new comment (even if it was actually posted successfully).
Don't know if it's me, a glitch, or a bug
The EventSource server needed a restart, there is a bug it runs into regularly #462 which makes it crash and needing a restart.
I have done it so we should be back to the usual user experience :)
@pingou changed the status to Fixed
Fixed