Little snippets of information keep coming in, including two special dates the 17th and 24th of May, as well to when we might see the starter set.
Please remember that these are rumors.
via two separate anonymous source on Faeit 212
GW staff is not allowed to take leave on 17th and 24th of May, which usually only happens on launch dates.
the new starter set will be few weeks (probably early June) after the rulebook released. Soon there will also be new brushes.