According to the posts, several key features including no-huddle play calling, custom playbooks and, most rampantly, the Dynasty Mode. Apparently, players on both the Xbox 360 and PlayStation 3 versions have received frequent “Transfer Failed” errors when attempting to upload the results of games in the online mode.
A moderator named EA_Jaga claimed in the forum that the error had been fixed, but this doesn’t seem to have been the case, as subsequent posts have complained they’re still receiving the error.