Ok here's my Stormcast theory.
Dacian Anvil and Gabriel Surehart are dead.
Knight zephyros, Knight Questor, Lord Castellant, farstriders and Steelhearts's Champions are gone.
Liberators, Lord Celestant, Prosecutors, Judicators and lord Relictor are getting new models. Prosecutors and Judicators will be just one warscroll each.
There will be about 5 new units. That would leave us with about 4 fewer warscrolls than there are now.