Short Trailer (2 minutes long): https://www.youtube.com/watch?v=w7duRMlQ0jI

Long Trailer (30 minutes long, starts at 18:30) : https://www.youtube.com/watch?v=QLFeErq1vEI&t=1114

patch notes: https://www.pathofexile.com/forum/view-thread/3496784