...And in fact has not worked since at least Opera 51, according to "A Former User" (see below).
My OS is Ubuntu 18.04.4 with all the latest updates installed. I have the latest Opera as of this time (Opera-beta 70.0.3728.59 - I also tried with the non beta, and it has the same behavior). I also tried deleting all the relevant Opera and Facebook cookies and the Opera cache and, as you must have guessed, nothing worked.
By "Facebook comment plugin" I refer to the external Facebook comment section of various websites. In what manner does it not work? Almost exactly how A Former User described here, back in March 2018 :
The relevant section from the Former User's bug report (which was inexplicably locked with no replies at all..) is this :
"Some newspaper sites use this social plugin on their comment section and when I try to comment an article, it shows a popup window where I login to Facebook but after I've logged in it starts a loop that refreshes the page and a blank popup shows and closes for so long as i click previous page."
The slight difference is that my endless loop starts before I even log in the comment section (though I am logged in Facebook itself, with which I have no issues). The loop (of the comment section frame, not of the entire page) starts in all three cases :
- When I try posting a new (main) comment.
- When I try replying to another comment.
and 3. Even when I "like" someone else's comment.
The loop stops only if I reload the entire page or if I close the blank pop-up window very quickly a few times. It is also website agnostic, i.e. the problem is not just with one website (otherwise I would have reported the bug to that website). The Facebook comment section of thee distinct websites I just checked behaves identically. A Former User first dealt with this problem while using Opera 51. I have seen the same issue, consistently, since at least Opera 60 - maybe even earlier. Will it ever be fixed?