Blizzard possibly working on Diablo 4 and "other Warcraft games"

Blizzard possibly working on Diablo 4 and https://barrelrolled.com/blizzard-possibly-working-on-diablo-4-and-other-warcraft-games
https://www.worlds50.com/2019/02/blizzard-possibly-working-on-diablo-4.html