Revisiones de Old Layout for Facebook
Old Layout for Facebook por ModernKit.one
Revisado por Edgar Carvalho
Respuesta del desarrollador
publicado el hace 3 añosIt may not work for you, but it's still working for others (like me). I explain this in detail in my post: https://www.facebook.com/theoldlayout/posts/167793385055475 and also in the message that appears when the extension tries to switch.