Definitely an improvement. But how significant or is it better from AIP only sub? I don't know.
Trivia: Japan abandoning their Stirling AIP for Full Lithium-ion.
Well they already evaluate TKMS proposal too at the start of the program.
I think the one they try to build back then wasn't Scorpene class.
Nothing in our option can beat AUKUS Sub.
https://www.cnbcindonesia.com/news/20220210122419-4-314344/top-prabowo-ri-resmi-borong-6-jet-tempur-rafale-prancis
Rafale, scorpene, ammunition production, and Military Satellite.
"Selain akuisisi jet Rafale, penandatangan kontrak enam unit tersebut juga sepaket dengan adanya dukungan latihan persenjataan dari Perancis."
(6 unit with weapon and training)
So it's not FFBNW afterall.