Here is a short summary of announcements in BlizzCon:

New Hero Xalatath added to Heroes of the Storm: https://www.youtube.com/watch?v=4kMhUVz4q5I

Diablo Netflix series. (More in works/plans)

StarCraft Dominion: https://www.youtube.com/watch?v=9eQUtOQXYgQ

Overwatch new hero Doctrine:https://www.youtube.com/watch?v=h5dwH7nx9do

Diablo 5: https://www.youtube.com/watch?v=GxCN_AKYtts

Heartstone new expansion Reign of the Black Empire Cinematic: https://www.youtube.com/watch?v=imZ4rqFbHFc

Heartstone new class Monk: https://www.youtube.com/watch?v=nY2_pygsg1k

Next part of World Soul saga World of Warcraft: Eclipse:https://www.youtube.com/watch?v=tlJZzTcHrH0

Next WoW expansion. World of Warcraft: The Last Titan: https://www.youtube.com/watch?v=F9Xb5PhF5pc

“Wow: Classic+”, World of Warcraft: Forever: https://www.youtube.com/watch?v=uQuKE0KDgiM

Warcraft 3 DLC, Warcraft III Reforged: Forsaken Kingdom: https://www.youtube.com/watch?v=I1kXClUCyuA