Nothing really implemented it properly or checked for it and the places that did check just handled it as a slightly softer ban.
It's pretty obvious that the existence of this feature was directly taken from osu! where the differentation between a ban and a silence probably makes more sense, though even there Silences are just non-permanent bans, so like why does this exist lol?
Well, it doesn't anymore! Hopefully chat will upgrade successfully because I let it get 18 commits behind :D
Rather than blindly embedding everything, video metadata is first requested through the URL metadata lookup service.
This slightly protects you from automatically connecting to third party servers and also vastly improves page loading performance in tandem with caching on the server.
A similar implementation will eventually make its way to the audio bbcode and will also be worked in the img bbcode somehow.
This will then eventually make it possible to embed audio and video in markdown the same way you'd embed an image.
