This IGN video says that the frustrating tail sequences and instant failstates which accompany them and that have plagued the series, especially in the last two games, are being modified. The ways they're being changed are a little vague - there's mention of alternate means of getting the same information - but I don't care what it is so long as I never have to enter another "magical glowing realm of whispers" ever again.

Assassin's Creed Unity Hand's On Demo - E3 2014 [IGN]