Inverse floater created from support tranche? anywhere, created, support, people

anshultongia

I heard that the last year exam has a item set about inverse floater created from support tranche but I don't see it anywhere in this year's Schweser' books. Is it removed from this year's curriculum?

Also for people who study in CFAI texts, do you notice any "big fish" that Schweser forgot?

Thanks!