Edit: Oops, this was just posted. I should have looked a few posts up ha.
The Engineering Behind Vista Tower's Unique Shape: Stacked Frustums Create Chicago’s Newest Super-Tall Tower
Saw that ^ on Reddit. (Sorry if it has already been posted). I thought it was very interesting. It discuses the reason for the design change to include the wind break floor among other things.
Liquid damper layout
Shear wall plan