Yorik I uploaded bbmedia.js onto freecadweb.org/js/bbmedia.js but I don't have access to update the bbcode for video in the admin panel. When you get a chance can you update the source as I described in my self-quote?
it is done already...
It might look like that because I tried updating it directly through the database (bad me...) but I think some other code runs when it's updating correctly through the UI, because the page is still showing it loading from the original site. Can you try just hitting "apply" again and see if that helps?