It lacks the Nikto figure. The Jabba figure is very animated style, depicted a s a cartoon, this is why his mouth seems to be traced with ruler, a lot angular (from some viewpoint, his mouth needs to ve more curved)
I wonder if the Jabba set from ROTJ would come with a slave Leia, and Oola, Salacius crumb and Bib Fortuna.
Anyway, if they release the rotj Jabba, Hasbro must resculpt the hutt throne.