For starters, Derpy is banned after her canon apperance.
They had only 13 episodes in Season 3
More Youtube episodes get blocked
Both the Mentally Advanced and Friendship is Witchcraft gets blocked.
Twilight becomes an alicorn really early in the series
Fighting is Magic and Equestria Online gets a C&D order
They made a human spinoff, but they're not like what we expected and it's probably going to be impossible to try and convince Hasbro to change their design.
Does this mean Hasbro is trying to turn their backs on the bronies?