new draft FAQ's from GW (if you havent seen them already). Not yet confirmed but this is their take on certain rules.
No roll to hit on Psychic shriek. Only Witchfires with a profile have to ‘to hit’ roll
Units in Superheavy vehicles snap shoot if moved over 6” (Mek with Shokk attack gun)
Superheavy Walkers are not limited (like normal Walkers) to a 45 degree arc of fire from the front of the model, However a Super heavy walkers weapons are assumed to swivel horizontally and vertically up to 45 degrees, range is measured from the mounting point of the weapon itself and along the barrel as is usual for vehicles.
You can still stomp, even if you have killed everyone in the previous Intuitive steps.
Vortex – anyone left under the marker must move off it during the following movement phase of they are destroyed.
You can only cast the number of spells equal to your psychic level per round
Nova powers affect swooping monstrous creatures
A single model can make disordered charges against multiple units.
Flyers wings and tail are counted as part of the ‘hull’ (shooting charging) in all respects
Scout moved are done after the seize the initiative
Grenades, only 1 in CC as with shooting.
Graviton – if you hit a vehicle twice in the same round you’ll do three hull points worth of damage.
Blast markers – our worse fears have come true and it is ‘everything under the blast marker. It makes artillery much more powerful and flamers insane!!!