Fostex had a hyperbolic paraboloidal cone surround etc in 1999 and still does. Purifi is just using something similar it's not a breakthrough at all. That's just marketing it's just a modern driver. More similar to others than different. it's the same basic design that was created in 1926 by Clair L Farrand.
The Amazing Purifi Speaker Drivers ! Major-Breakthrough
More info on these Purifi Speaker Drivers !
https://www.stereophile.com/content/thoughts-after-munich
Purifi Drivers sound their very best in Kroma Atelier Loudspeakers and we should find out how good the all new Kroma Atelier Mercedes Loudspeakers with All Purifi Drivers! are at Munich 2023 Show !
The new Kroma Atelier Mercedes Loudspeakers are not on their web site yet but they are on You Tube 😲