Some dodgy CGI in the primary season implies that skylights seen beforehand in Tyrion’s sky cell vanish totally when a more extensive shot is given. In the event that something is noticeable in the genuine shot it should be visible in the CGI version of it. This was most likely an authentic mix-up.
8. Margaery Gets Junk Mail
The scene being referred to sees Margaery giving out toys to the orphans of Fleas Bottom. In it, a hardly audible chime indicates that somebody nearby had gotten an email. We assume that Margaery didn’t click to not get chain mail.