>>716138195
The source is Miro himself. He has said a few times now it's this summer. And with all the teasers he's dropping on youtube it seems to be sooner than later.
https://www.youtube.com/watch?v=MkgpYrrw0pQ&t=9s
https://www.youtube.com/watch?v=E6_cK6RH494
He's been working on this update for two years.