Do not unfurl rickroll video link


url preview ruins the rickrolls by unfurling. rickrolling is considered as one of the pillars of the online chat culture and should be taken seriously.

this particular video should not be unfurled:


it’ll be great to have a pattern matching exclusion for link previews in administration, so each culture can decide on the particular song.


I believe there is a message property to stop previews… so a Rocket.Chat app or posting via api this should be possible


what about something like



This can easily be implemented with Rocket.Chat Apps-Engine :slight_smile: