Assassin’s Creed Black Flag Resynced

[Demon_Skeith]

Yo Ho yo ho!

 

[IndieGamesCafe]

There was so much hype for this game both when it came out then after because people didn't like the other ones. I totally missed playing this when it came out cuz I did not have the time.
Is the resync version mostly just a graphic update or there's new content too?