A subreddit dedicated to the idea that the Mandela Effect is due to people remembering alternative timelines altered by glitches in the space-time continuum.
"Currently, I'm subscribed to r/Retconned, a subreddit dedicated to the idea that the Mandela Effect is due to people remembering alternative timelines that have been altered by glitches in the space time continuum. Recently I saw an effortpost trying to prove that David Duchovny was in Christmas Vac"