pantsirs can be slaved or integrated to work with long range air defenses to engage hypersonic targets, I think the SMs can engage hypersonic targets on their own.
"Col Muravkin claimed that the Pantsir-S short-range air defence (SHORAD) system had been used to "deal effectively with" Grad rockets fired by the BM-21 multiple rocket launcher system, small unmanned aerial vehicles (UAVs), and quadcopters over the last year and a half and had countered air-to-surface missiles and aircraft for a "long time".
The colonel added that the recently unveiled Pantsir-SM will counter future threats such as hypersonic missiles and UAV swarms, stressing that in addition to a new radar, greater processing power, and missiles with greater speed, range, and payload, the Pantsir-SM will use artificial intelligence.
Col Muravkin also stated that because of the proliferation of precision-guided munitions (PGMs), the focus is shifting from area to point air defence with Pantsir systems, while S-400 SAM systems will deal with aircraft before they launch PGMs."
they got rid the cannons for 24 missiles, while testing will still be done with the 96 missile design for drones and that is why the morfei probably got cancelled.