Talk:Seven Crimes and Punishments (story)/@comment-15888667-20150129000547/@comment-6986530-20150221031102

The difference is between an author expanding on the story in his head as he goes farther along and changing plot details and an author actually breaking the established canon he laid out for his series, i.e retconning. The former is something literally every author does, the latter is one of the staples of lazy writing.