When non-disclosure was lifted by Valve, some intel started to flood in. Of course, there is no official info on release date. But here is approximate schedule based on leaks from beta-testers:
- Closed beta will go until June 2018, but starting from April 2018 a lot bigger number of Dota 2, Hearthstone PRO-players will recieve invite. As we know, there is no way to send an application, Valve choses testers on theri own and contacts them with proposal to participate.
- Open Beta is expected starting from July 2018 and will last until the end of the year.
- Release is planned for early 2019, and $1M tournament event will support release.
But this timeline may change dramaticcaly, knowing infamous Valve Time.